| C32 with ACERT™ Technology | A combination of innovations working at the point of combustion, ACERT™ Technology optimizes engine performance while meeting EPA Tier 2 and EU Stage II engine exhaust emission regulations for off road applications. | 
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| C32 Engine | Performing at full rated net power of 634 kW (850 hp) at 1800 rpm with a high torque rise of 21 percent, the large displacement and high torque allow the D11T to doze through tough material. Matched to the high efficiency torque divider and electronically controlled power shift transmission, it will provide years of dependable service. | 
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| C32 Block | The block features a design that adds structural strength through compaction and thicker walls. This design supports the engine’s higher compression ratios. |
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| Overhead Cams | Two, single (one per head) overhead cams are driven by gears on the flywheel end of the engine. Placing the cam gears at the flywheel end significantly reduces noise and vibration. To reduce wear, two pendulum absorbers are mounted at the front of the camshafts. Together, these two features contribute to the long-life and durability of this engine. |
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| ADEM™ A4 Engine Controller | The ADEM A4 electronic control module manages fuel delivery and air flow to get the best performance per gallon (liter) of fuel used. It provides flexible fuel mapping, allowing the engine to respond quickly to varying application needs. It keeps track of engine and machine conditions while keeping the engine operating at peak efficiency. |
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| Fuel Delivery | Multiple injection fuel delivery involves a high degree of precision. Precisely shaping the combustion cycle lowers combustion chamber temperatures, generating fewer emissions and optimizing fuel combustion; translating into more work output for your fuel used. |
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| MEUI Fuel System | A highly evolved fuel system with a proven record of reliability in the field. MEUI combines the technical advancement of an electronic control system with the simplicity of direct mechanically controlled unit fuel injection. The MEUI system excels inits ability to control injection pressure over the entire engine operating speed range. These features allow the C32 to have complete control over injection timing, duration, and pressure. |
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| ATAAC and Airflow | Air-to-air aftercooling keeps air intake temperatures down and, in concert withthe tight tolerance combustion chamber components, maximizes fuel efficiency and minimizes emissions. Significant improvements in air flow are generated by water-cooled turbochargers, unique cross-flow head, single rear-driven overhead cams, and a more efficient intake manifold. |
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| Engine maintenance and repair | Is easier through monitoring key functions and logging critical indicators. Electronic diagnostic access is possible with the Electronic Technician (Cat ET). |
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| Aluminum Spacer | Located between the block and head to eliminate the need for block counterbores, and extend block life. |
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| Hardened-faced valves | Through-hardened crankshaft journals and steelbacked, copper-bonded aluminum bearings, help assure reliable performance in the toughest duty. |
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| Components have longer life | Because oil-cooled pistons and full-length, water-cooled cylinder liners provide maximum heat transfer. The cylinder heads also utilize additional coolant passages to provide maximum cooling to the engine. |
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| Cooling System | Superior cooling in the most demanding work conditions. | 
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| Two-pass cooling system | Using a two-pass system, the AMOCS radiator provides a more efficient heat exchange. The coolant is routed from a sectioned bottom tank up the front side,over the top of the core, and down the engine side of the core to the bottom tank. This flow pattern allows the coolant to pass through the radiator twice for better cooling. |
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| Modular Design | The cooling elements are individual core modules connected to a sectioned bottom tank. There is no top tank to remove.
- Standard 9.4 steel fins per 2.54 cm (1 in), or an optional 6 steel fins per 2.54 cm (1 in)
- Brass tube construction within each core for improved reliability
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| 3) Adjustable Armrests | Standard adjustable armrests provide additional comfort for the operator. | 
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| 4) Electronic Ripper Control | A rigidly mounted handgrip, with low effort thumb and finger controls, provides firm support and positive control of the ripper when operating in tough conditions. Programmable features, such as Auto Lift, Shank-Out and Auto Stow, increase operator efficiency. | 
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| Hydraulically Variable, Demand Fan | The hydraulically driven demand fan provides engine cooling capability that is matched to the ambient conditions. In cooler conditions, the fan turns at a slower speed, reducing power demands. This frees up more power in high load factor operations or reduces fuel consumption in lower load factor operations. Low speed fan operation also reduces both operator and spectator sound levels. The ADEM A4 engine controller regulates the fan speed through a variable displacement pump. An attachment low s |
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| Easy Serviceability | - Servicing of the AMOCS can be performedwithout tilting the radiator guard
- No need to remove or replace a majorcomponent as on single-core radiators
- Each core module can be replaced individually(without removing the entire radiator), saving considerable cost and repair time
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| Operator Station | Designed for operator comfort, convenience, and productivity, the state-of-the-art cab sets a new standard. | 
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| 1) Steering Control | Finger Tip Control (FTC) combines steering, machine direction and gear selection into a single control system, operated with one hand for enhanced operator comfort. | 
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| 2) Cat Comfort Series Seat | Fully adjustable and designed for comfort and support. Thick seat and back cushions provide support for the lower back and thighs, while allowing unrestricted arm and leg movement. Wide retractable seat belt provides positive, comfortable restraint. |
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| 5) Electronic, Programmable Dozer Control | Features such as blade response, blade float, auto blade pitch, and spread rate can be set and adjusted using the Advisor panel. Auto Blade Assist (standard) and AutoCarry (optional) make the tractor even more efficient in specific applications. | 
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| 6) Cat Monitoring Display System | The combination dash mounted instrument cluster and the Advisor Monitoring System provide key machine operating data and give the operator and service technician insight into the machine's operation and maintenance needs. |
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| In-Dash Instrument Cluster | The instrument panel, with easy-to-read gauges and warning lamps, keeps the operator aware of any potential problems. All gauges and readouts are easily visible in direct sunlight. | 
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| Ripper Control Lever | A rigidly mounted handgrip provides firm support for the operator even when ripping in the roughest terrain. The low effort thumb lever controls raising and lowering. The finger lever controls shank-in and shank-out positioning. The thumb button automatically raises the ripper. |
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| Advisor Monitoring System (AMS) | On-board diagnostic abilities minimize downtime and maximize machine performance. | 
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| Warning System | There is a three-category warning system that alerts the operator of any critical or abnormal machine conditions. In standard operation, the Advisor screen will display the status (first line) and selected gauge parameter (second line). In addition, the forward and rear action lamps will light up (either solid or flash) and an alert alarm may sound, depending on the category of the warning. A snooze option allows the operator to acknowledge a non-critical event that poses no risk and return to w |
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| Implement and Steering Controls | Low effort control functions significantly reduce operator fatigue for increased performance. |
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| 7) Wide Panoramic View | The operator station offers an exceptional viewing area. A large view hole in the single-shank ripper frame provides a view of the ripper tip. The tapered hood, notched fuel tank, and narrow single-shank ripper carriage gives the operator a clear line of sight to the front and rear work areas. The large single-pane door windows provide an excellent view to the sides and blade. |
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| 8) Heating and Air Conditioning | Conveniently located air circulation vents evenly distribute airflow within the cab. Controls are easily accessible from the operator seat. | 
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| High Intensity Discharge Lights (HID) | High Intensity Discharge lighting packages are standard to enhance visibility when 24 hours operations are required. The HID lights are bluish in color and offer less glare while significantly extending the sightlines around the tractor. |
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| Fuse Panel and Diagnostic Access | The new compartment features a single location fuse panel that includes a diagnostic port for the Cat ET to connect for rapid machine diagnostics. | 
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| Comfortable Operation | Standard isolation-mounted cab reduces noise and vibration. The cab is pre-wired for a 12-volt or 24-volt radio, equipped with two speakers, an antenna and a radio mount recessed in the headliner. |
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| Footpads | Two footpads, mounted on the floor and wide, sweeping stabilizer pads keep the operator comfortable and in control while working on slopes. | 
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| Other Features | Built-in storage space with tie downs for lunch box or other personal items.
- Ashtray and cup holder.
- Inside door releases.
- Power point plug-in on the right hand console (12-volt laptop and wireless phone compatible).
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| Frame Rails | Full box section design keeps components rigidly aligned. |
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| Dozer Control Lever | A low-effort electronic dozer control handle gives the operator control of all dozer functions with one hand. Fore/aft movement of the lever lowers and raises the blade. Left/right movement directionally tilts the blade.
The thumb lever at the top of the handle, controls blade pitch fore and aft. The trigger switch pitches the blade forward to dump the load.
The two thumb buttons to the left of the implement control provide control over the semi-automated blade pitch functions that Dual Tilt p | 
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| Computer Aided Earthmoving System (CAES) (optional | Computer Aided Earthmoving Systems(CAES) replace conventional surveying with advanced GPS and radio communications equipment, improving operator’s accuracy and efficiency. CAES can communicate back and forth with the office and access site design plans. Office software can generate designs on the fly and provide customized production and design reports. CAES gives operators continuous, interactive access to machine and operating information right in the cab – so they have the tools they need to |
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| Drive Train | The D11T/CD provides maximum efficiency in combination with the Cat C32 engine. |
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| AutoCarry (optional) | AutoCarry provides automatic blade control (raise and lower only) during the carry segment of the dozing cycle. Drawbar pull, groundspeed, track slip, and machine attitude are integrated to control track slip and maintain optimal blade loads. AutoCarry is intended to enhance the operator’s productivity in high production earthmoving with carry distances over 100 feet. By monitoring ground speed with the belly-mounted radar gun, the auto carry system controls blade load to maintain approximately |
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| Finger Tip Controls (FTC) | Clustered for easy, one-hand operation to the operator's left. They control steering, machine direction and gear selection.
Electronic Clutch and Brake (ECB) steering System - consists of two small levers that send signals that control the steering valve. Levers require less than three pounds of pull to actuate. Steering is accomplished in much the same way as traditional clutch and brake arrangements, but with less time and effort. | 
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| Top and Bottom Rails | Made from continuous rolled sections to eliminate welds and machining, which provide superior mainframe durability. |
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| Main Case | Elevates the final drives well above the ground level work area to protect them from impact loads, abrasion and contaminants. Also provides support for the ROPS and ripper mounting. |
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| Pivot Shaft | The pivot shaft and pinned equalizer bar maintain track roller frame alignment. | 
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| Torque Divider | A single-stage torque converter with output torque divider sends 75 percent of engine torque through the converter and 25 percent through a direct drive shaft for greater driveline efficiency and higher torque multiplication. The torque converter shields the driveline from sudden torque shocks and vibration. | 
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| High Torque Multiplication | The more efficient and better matched torque converter provides high drawbar pull reserves at converter stall. High torque multiplication gets heavy loads moving. |
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| Elevated Final Drives | Isolated from ground and equipment induced impact loads for extended power train life.
- Double-reduction, planetary final drive gears provide smooth, quiet, low-maintenance operation.
- Splash lubrication and Duo-Cone® Seals extend service life.
- Gears and planet carriers are sized for higher loads and increased durability.
- Axle and spline have been enlarged for higher torque.
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| Electronic Clutch Pressure Control | The Finger Tip Control (FTC) system has an additional drive train feature for added performance, Electronic Clutch Pressure Control (ECPC). This feature provides smoother shifting by modulating individual clutches. ECPC also provides the auto-shift and auto-kickdown feature. |
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| Drawbar Pull vs Ground Speed | As loads on the tractor increase, the D11T offers unmatched lugging capability and smooth shifting as the need occurs to change gears under varying loads. The 3-speed forward, 3-speed reverse transmission offers excellent runout speeds. | 
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| Planetary Power Shift Transmission | Three speeds forward and three speeds reverse, utilizing large diameter, high-capacity, oil-cooled clutches.
- Modulation system permits fast speed and direction changes.
- Modular transmission and bevel gear slide into rear case for servicing ease, even with ripper installed.
- Oil-to-water cooler for maximum cooling capacity.
- Forced oil flow lubricates and cools clutch packs to provide maximum clutch life.
- Controlled throttle shifting regulates engine spe
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| Auto-Shift/Auto-Kickdown | Auto-shift allows the operator, by just making a directional change, to go from first forward to second reverse.
Auto-kickdown automatically downshifts the transmission when significant load increases are detected. These features are especially useful in backfilling or rough grading applications or with a less skilled operator. Depending on application, operators can select auto-shift mode only, auto-shift and auto-kickdown mode, auto-kickdown mode only, or manual mode. The operator may overri |
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| Modular Power Train | The modular power train design permits quick removal and installation of major components such as the engine, transmission and final drives. |
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| Structure | Engineered to provide durability and the solid support necessary for maximum production and service life in the most demanding work. |
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| Heavy Steel Castings | Strengthen the main case, equalizer bar saddle, front cross member and tag-link trunnion. |
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| D11T Brakes | The brakes are applied by springs and hydraulically released for safe and reliable braking performance.
- Thick, large diameter plates and disks provide high torque capacity and service life.
- Brake housing has cast-in-ribs for more durability and a new valve design.
- Cooling oil valve controls 284 L (75 gal) of oil per minute.
- Clutch disks allow greater torque capacity on the clutch.
- Tapered roller bearing design provides excellent service life.
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| Mainframe Strength | The D11T and D11T CD mainframes are built to absorb high impact shock loads and twisting forces of severe dozing and ripping. The two frames share the following features: | 
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| Dual Tilt | Improves load control and allows the operator to optimize the blade pitch angle for each portion of the dozing cycle. |
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| Cutting Edges and End Bits | Cutting edges are made of DH-2 steel. End bits are made of DH-3™ steel to provide maximum service life in tough materials. | 
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| Rippers | Single and multi-shank rippers are made to penetrate tough material fast and rip thoroughly for use in a variety of materials. |
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| Equalizer Bar | The equalizer bar features limited slip seals and an oil-lubricated joint for better oil flow. Remote lube passages simplify maintenance. Large forged pads reduce wear on the mainframe and extend sealed joint life. | 
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| Case and frame design | Features one-piece cast case with ripper and ROPS mounting. Oil reservoir included in one-piece cast casting. | 
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| Heavy cast saddle | Ribbed design increases frame life. |
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| Engine and Radiator Guard Mount | The new fabricated common front engine and rear radiator mount feature heavy castings. | 
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| CarryDozer Frame | The CarryDozer frame is specifically designed for the carrying material long distances. The taller front end accepts additional frame loads generated by the unique CarryDozer blade design. | 
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| Tag-Link | Reduces wear and brings the blade closer to the machine for more precise dozing and load control.
• The Tag-Link design provides solid lateral stability and better cylinder positions for constant break out force, independent of blade height. | 
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| Undercarriage | The Caterpillar elevated sprockets are designed for better machine balance and longer component life. |
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| Sprockets | Have five bolt-on replaceable rim segments of abrasion resistant tough steel for long wear life. |
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| Equalizer Bar | End pin bearings are oil lubricated from a remote reservoir for easy maintenance and longer life. |
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| Single Lever | Controls all blade movements, including the optional dual tilt. |
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| SAFETY.CAT.COM™ | |
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| Suspended Undercarriage Design | Absorbs impact loads to reduce the shock loads transferred to the undercarriage by up to 50 percent in uneven terrain. | 
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| Bogie suspension conforms closely to the ground | Providing up to 15 percent more ground contact, especially in hard, uneven terrain. Higher traction means less slippage, better balance, and a smoother ride. | 
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| Rollers and Idlers | Feature symmetric Duo-Cone seals for long sealing life to prevent oil loss and dirt entry. Toric rings maintain performance over a wide range of temperatures. Rollers and idlers are serviceable and rebuildable to provide value. Abutment-style caps securely attach rollers and idlers to the bogies. | 
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| Integrated Carrier Roller Mount | The carrier roller mount is cast into the track roller frame making it easier to add the optional carrier roller in the field, if conditions require it. | 
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| Reinforced Roller Frames | Tubular design resists bending and twisting, with added reinforcement where operating loads are highest.
- Roller frames attach to tractor by a pivot shaft and pinned equalizer bar.
- Large pivot shaft bushings operate in an oil reservoir.
- A low friction, no maintenance bushing is used in the saddle connection.
- Resilient pads restrain equalizer bar oscillation.
- The recoil system is sealed and lubricated.
- Patented alignment design increases underc
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| Positive Pin Retention (PPR) Sealed and Lubricated | Permanently coats the track pin with a sealed-in lubricant, minimizing metal-to-metal contact.
- Virtually eliminates internal pin and bushing wear.
- Lubricant is held in a reservoir in the track pin.
- Coated track bushing maximizes sealability.
- Stronger track link resists high impact loads.
- Positive pin retention mechanically locks the link to the pin, resisting end play and increasing joint stability.
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| Sprocket Segments | Made exclusively of Caterpillar Tough Steel™ for longer wear life and precision machined after heat treat for proper fit. Segments can be removed or replaced without breaking the track. | 
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| Track Shoes | Track shoes are available in a variety of sizes and styles to match the working conditions. |
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| Work Tools | Work Tools and Ground Engaging Tools (G.E.T.) provide the flexibility to match the machine to the job, maximizing performance. |
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| Bulldozers | All blades feature a strong box-section design that resists twisting and cracking. Blades are made of Cat DH-2™ steel that has high tensile strength and stands up to the most severe applications. Heavy moldboard construction and hardened bolt-on cutting edges and end bits add strength and durability. | 
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| • Semi-Universal Blade | Built for tough applications where penetration is more important than capacity. The “SU” blade is more aggressive in penetrating and loading material than the “U” blade. The blade wings are designed for superior load retention and penetration in tightly packed materials and for finishing applications. Can also be configured with a push plate for push loading scrapers. | 
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| • High-Capacity Universal Blade | Offers maximum capacity and is perfect for moving big loads over long distances. The “U” blade has large blade wings and is ideal for stockpile work, reclamation, charging hoppers or trapping for loaders. | 
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| CarryDozer Blade | The CarryDozer carries material inside the blade curvature, rather than pushing it. This carried material increases the effective weight of the tractor, enabling larger loads in front of the blade and enhancing operation on steeper uphill slopes. These two effects combine to maximize productivity. |
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| • Abrasion Versions | The abrasion versions of the “SU” blade and “U” blade extend blade life in more severe applications. Abrasion blades are equipped with rock guards, wear plates and extended wear life cutting edges and end bits. |
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| Single-Shank Ripper | Operator can adjust the shank depth from the seat using an optional single-shank pin puller. Large upper frame view hole improves ripper tip visibility. Heat treated spacer bars in ripper carriage extend pocket life and reduce shank notching. Large one-piece shank is available in deep ripping configuration. | 
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| Multi-Shank Ripper | Tailors the tractor to the material by using one, two or three shanks. | 
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| Hydraulic Pitch Adjustment Cylinders | Hydraulic pitch adjustment cylinders vary the shank angle to get the best penetration so the material is lifted and shattered. |
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| Rear Counterweights | Provide proper tractor balance to maximize dozing production. Recommended if not equipped with any other rear attachment. |
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| Safety | Caterpillar mining machines and systems are designed with safety as the first priority. |
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| Product Safety | Caterpillar has been and continues to be proactive in developing mining machines that meet or exceed safety standards. Safety is an integral part of all machine and systems designs. |
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| ASE and ISO Standards | The D11T/CarryDozer is designed to many national and international standards. |
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| ROPS and FOPS | The external ROPS/FOPS structure is designed to carry loads directly into the tractor main frame and protect the operator. |
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| Visability | An attachment WAVS rear vision camera is available to provide additional visibility to the standard mirrors. | 
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| Access/Egress | Wide opening cab doors provide both primary and secondary access/egress from the cab. Primary and secondary access are via the platform outside the cab doors and the track, using strategically placed grab irons and steps. An attachment rear walkway (with 505 gallon fuel tank) is available to provide a means of cleaning the rear and side windows and provides maintenance access to the rear lights. An attachment, hydraulically actuated, access ladder is available, separately, for applications wh | 
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| Electrical System Lockout/Tagout | A disconnect switch is available to shut off all machine electrical power. Another disconnect switch shuts off power to the starter, while keeping main power available for diagnostics and troubleshooting. |
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| Lighting | Standard HID lighting provides superior illumination around the machine for night operations. The 35 watt HID lamps provide lighting equivalent to 4 Halogen lamps, without producing significant glare. Multiple switches in the cab allow segregation of specific lamps in the event that the tractor is working near other machines. Two under-hood service lamps illuminate the engine compartment for easy night service. The fender light switch can be left in the on position when the ignition key is t |
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| Serviceability and Customer Support | The most serviceable machines from the most committed dealers. World-class product
support. The Cat Dealer network trained experts keep your fleet up and running, maximizing
your equipment investments. Caterpillar. The difference counts.™ |
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| Serviceability | Minimizes maintenance and repair downtime. New sight gauges, filter locations, improved access to oil and coolant sampling ports, and an engine compartment mounted work lamp, make daily and periodic service faster and easier. Equipped with a dozer and ripper, there are only 18 lube points. | 
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| Built-in Servicing Ease | Less service time means more working time. Major components are made as modules and most can be removed without disturbing or removing others. |
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| Heater and Air Conditioner Cores | Accessible without disconnecting heater and air conditioner cores are accessible without disconnecting lines. A diagnostic connector allows the Cat Dealer's electronic test instrument to quickly troubleshoot the electrical portions of these systems. |
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| Ecology Drains | An environmental method to drain fluids. They are included on the radiator, hydraulic tank, fuel tank, torque divider and transmission. |
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| AMOCS Individual Cooling Elements | AMOCS individual cooling elements allow radiator servicing without major component removal, saving considerable time and cost. | 
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| Fast Fuel System (optional) | The fast fuel system, with positive fuel shut-off to prevent fuel spillage, can decrease downtime. | 
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| Quick Oil Change Sytem (optional) | The quick oil change sytem allows for quick service to engine and power train oil. |
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| Service Intervals | The time between fluid and filter service intervals minimizes downtime and maximizes productivity. |
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| Engine Oil Filters | Engine oil filters are located on the engine for easy servicing access and minimal downtime. Further time is saved with fast fuel and quick oil change attachments. |
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| Quick Disconnect Fittings | Allow for fast diagnosis of the power train, hydraulics and attachment oil systems. |
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| S•O•SSM Analysis | Scheduled Oil Sampling made easier through live sampling ports for the engine oil, hydraulics and coolant. |
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| Caterpillar Product Link PL300 (optional) | This option allows the customer or dealer to obtain machine diagnostics and location information from their offices. Product Link PL300 provides updates on service meter hours, machine condition and machine location, as well as integrated mapping/route planning. Built-in flexibility allows for future technology development. | 
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| Machine Selection | Make detailed comparisons of the machines you are considering before you buy. How long do components last? What is the cost of preventive maintenance? What is the true cost of lost production? Your Cat Dealer can give you answers to these very important questions. |
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| Purchase | Consider the financing options available as well as day-to-day operating costs. This is also the time to look at dealer services that can be included in the cost of the machine to yield lower equipment owning and operating costs over the long run. |
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| Product Support | Plan for effective maintenance before buying equipment. Choose from your dealer’s wide range of maintenance services at the time you purchase your machine. Programs such as Custom Track Service (CTS), S•O•S analysis, Technical Analysis and guaranteed maintenance contracts give peak life and performance to your machine. | 
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| Parts Program | You will find nearly all parts at your dealer parts counter. Cat Dealers use a world-wide computer network to find in-stock parts to minimize machine downtime.
Ask about your Cat Dealer’s exchange program for major components. This can shorten repair time and lower costs. | 
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| Remanufactured Components | Genuine Cat Remanufactured parts save you money. You receive the same warranty and reliability as new products at cost savings of 40 to 70 percent. Components are available for the drive train, engine, and hydraulics. |
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| Operation | Improving operating techniques can boost your profits. Your Cat Dealer has training videotapes, literature, and other ideas to help you increase productivity. |
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| Replacement | Repair, rebuild or replace? Your Cat Dealer can help you evaluate the costs involved so you can make the right choice. |
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| Caterpillar Certified Rebuild (CCR) Program | CCR offers a like-new machine with a like-new warranty and new serial number, all at a fraction of the cost of a comparable new machine. The program starts with a complete machine inspection. The machine is then completely disassembled and rebuilt from the ground up to include critical Caterpillar product updates. More than 350 tests and inspections, plus the automatic replacement of over 7,000 parts, ensure the same high level of quality as a new Caterpillar machine. CCR includes:
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| Caterpillar Certified Power Train (CPT) Program | CPT is an option within the Cat Certified Rebuild Program (CCR). CPT is a dealer rebuild of the entire power train. Certified Power Train is similar to CCR in that the power train components are completely disassembled and all critical engineering updates are incorporated. CPT includes the replacement or reconditioning of approximately 3,000 parts. Nearly 200 tests and inspections ensure the same high level of quality that you expect from a new Cat power train. CPT includes the following two opt |
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