| Cooling module architecture | The cooling system is a single cooling unit, which includes Radiator, ATAAC, Oil cooler and Fan installation. The cooling module is located at the rear of the loader, away from dust and debris stirred up by the bucket while the machine is working. The radiator has 6.5 fins per inch (fpi) which helps reduce plugging. |
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| Dome Light | A dome light is located in the cab headliner. |
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| Engine | Provides power, reliability and acts as a working counterweight in the rear of the machine, for optimum machine balance. | 
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| Cat C6.6 ACERT™ | The Cat® C6.6 is a 6.6 liter (403 in3) displacement, six-cylinder, in-line configured engine that utilizes the Caterpillar Common Rail fuel system for fuel delivery. It uses ACERT™ Technology, a series of Caterpillar engineered innovations that provide advanced electronic control, precision fuel delivery and refined air management, resulting in outstanding performance and lower emissions.
The C6.6 with ACERT Technology offers a compact design with big, heavy-duty engine features for outstand |
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| Electronic control. ADEM™ A4 | The Advanced Diesel Engine Management — Electronic Control Module continuously monitors important engine conditions and functions. It uses sensors throughout the engine to regulate fuel delivery and all other engine systems that require input to manage load and performance. ADEM™ A4 is the brain behind engine responsiveness, self-diagnosis, controlling emissions, and fuel economy. |
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| Viewing Area | Large windows use tinted glass to reduce glare and provide an excellent view to the bucket, tracks, and around the engine enclosure to the rear. | 
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| Fuel System | Through multiple injection fuel delivery, fuel is introduced in the combustion chamber in a number of precisely controlled microbursts. Injecting fuel in this way allows for precise shaping of the combustion cycle. The ADEM™ A4 module directs the injectors to deliver precise quantities of fuel at exactly the right times during the combustion cycle.
This process provides precise control over a range of combustion variables, which can be regulated to produce higher performance with fewer emissio | 
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| Air Management | Air management is a key concept in optimizing engine performance and controlling emissions. Engines must breathe clean cool air in order to perform. To aid this, the C6.6 uses a turbocharger fitted with a smart waste gate to give precise and reliable control of the boost pressure. A new cross-flow design in the cylinder head facilitates air movement, while tighter tolerances between the piston and cylinder liner reduce blow-by gases. |
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| Fuel pump | The C6.6 uses an oil-lubricated high-pressure fuel pump to feed the common rail. |
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| Fuel Priming Pump | An electrical fuel-priming pump, standard, is located between the fuel tank and the combined water separator/primary fuel filter. The triple fuel filters, water separator design, provides protection to the injection system against low-quality or contaminated fuel. | 
Electric fuel-priming pump |
| Starting System | The Electronic Speed Selector Switch (A), a “rocker” switch located on the right console, sets the engine rpm. The ADEM A4 engine controller will always start the engine in low idle. The engine rpm can be seen on the digital display of the instrument cluster in the gage cluster or in the performance menu in Messenger. | 
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| Air-to-Air After cooler (ATAAC) | The air-to-air after cooler is a single pass, aluminum, heat exchanger or cooling system for the pressurized air coming from the turbocharger, before it enters the engine intake manifold. Cooling the pressurized air from the turbocharger increases the density of the engine's intake air. The increased air density in the cylinders results in more power, improved combustion, and reduced exhaust emissions. |
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| Servicability | Unit injectors can be serviced individually, without the need to service the whole fuel system. |
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| Engine Installation | The engine is installed using rubber mounts to reduce the transfer of engine vibration to the frame and cab, lowering operator vibration, sound levels, and fatigue. |
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| Rear Engine Location | Rear engine location allows excellent forward visibility, while serving as a working counterweight. It also helps reduce radiator plugging while providing easy service access to the engine and other major components. | 
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| Hydraulic on-demand fan | The fan is a hydraulic demand type with optional reversible function, and operates normally in suction mode.
The complete cooling package has been designed for a very easy maintenance with a complete accessibility to the cores for cleaning (fan door swing out opening, latches. |
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| Operator Station | Designed for operator comfort, convenience, and ease of operation throughout the workday. | 
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| Working lights | Eight working lights are available on the 963D. Four (2 front and 2 rear)are standard with four additional lights are optional. |
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| Storage spaces | Storage spaces include space for lunch box, a beverage/ashtray holder, and a coat hook. |
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| Kickout settings | Automatic kickouts are part of the electro-hydraulic controls; adjustable from inside the cab with a simple rocker switch. Kickout stops are hydraulically cushioned for greater operator comfort and less material spillage. |
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| Armrests | The right hand side console features an adjustable armrest, wrist rest and joystick mount. The left side console is tiltable for improved egress/access and features adjustable armrest and control lever mount.Total adjustability lets the operator customize the armrests to the most comfortable position. |
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| Heating and Air Conditioning | Air conditioning is standard on 963D. Both the air conditioning and the heater deliver filtered, pressurized, temperature-controlled air to the operator and windows through 10 louvered vents. |
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| Caterpillar Air-suspension Seat | The Caterpillar air-suspension seat, with side-to-side isolator, is ergonomically designed and fully adjustable for maximum operator comfort and control. Retractable seat belt is 75 mm (3 in) wide for positive, comfortable restraint. | 
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| Seat mounted controls | Seat mounted controls provide less vibration for the operator and a combined seat and controls adjustment. |
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| Messenger | Messenger is a new electronic monitoring system with real-time, visual feedback on engine and machine operating conditions. It provides information on diagnostic data, maintenance, and allows operating settings such as implement reactions. |
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| Speed Switches | The speed mode switch allows the operator to choose between “work mode” and “travel mode” to best match the machine speed to various job conditions. Switching between travel and work mode takes effect immediately. |
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| Hydrostatic Drive System Controls | The system controls allow quick speed and directional changes from a single control lever for maximum maneuverability. Steering pedals can be adjusted from 35° to 50° depending on operator preference and allow precise control of each track independently and on-demand counter rotation. The brake pedal supplements dynamic hydraulic braking provided by the hydrostatic drive system. |
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| Electro-hydraulic implements controls | The new electro hydraulic implement controls on the 963D provide the operator with responsive, smooth and precise control of bucket and lift arms. Choice of joystick or two-lever control is available for bucket lift and dump. |
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| Rearview Mirror | The rearview mirror is located above the front windshield, maximizing the operator’s visibility. |
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| Radio Installation Arrangement | A standard feature in the cab is a Radio Installation Arrangement, which includes a 24-volt to 12-volt converter and speakers.
A Caterpillar heavy-duty (AM/FM) radio/CD player and satellite radios are available from dealers. |
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| Door release lever | The door’s release lever is accessible from the ground to unlock the door conveniently, as well as from inside the cab. | 
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| Machine Security System | Eliminate machine theft and unauthorized usage with the Cat Machine Security System (MSS). It is integrated into the machine’s electronic system and can protect most brands of equipment by requiring a uniquely coded key to start the machine. |
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| Monitoring System | The gauge cluster provides all necessary functions and information within the operator’s normal line of sight. | 
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| The 963D gauge cluster display | The gauge cluster displays all vital functions and alerts the operator to the nature of any abnormalities.
The 963D gauge cluster display includes:
- Four direct reading gauges
- Fifteen alert indicators
- A numeric message display
Gauge Cluster |
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| Alert indicators | The fifteen alert indicators used on the 963D are:
1. Reversible fan
2. Water separator
3. Fuel filters
4. Fuel level
5. Engine air filter
6. Machine security system
7. Either starting aid
8. Action lamp
9. Parking brake
10. Operator presence
11. Hydraulic lockout
12. Hydraulic oil filter
13. Bucket float
14. Lift kickout/lower kickout
15. Bucket leveler |
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| Gage cluster-self test. | The gauge cluster self-test verifies that the main display module is operating properly every time the key start switch is turned from the “off” to the “on” position. |
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| Hydrostatic Drive | The electronically controlled hydrostatic drive helps provide quick response for shorter cycle times and increased productivity. |
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| The electronically controlled hydrostatic drive system automatically matches machine travel speed to the combined travel and implement loads on the machine, enabling maximum travel speed, up to the speed selected by the operator. |
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| Electronic Hydrostatic Control (EHC) | Hydrostatic system has integrated electro-hydraulic controls (EHC), which provide optimum performance and efficiency. |
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| Variable Displacement Pumps and Drive Motors | Variable displacement pumps and drive motors are electronically controlled by the EHC, offering high efficiency and precise travel. Each track is independently driven by a separate hydraulic circuit consisting of one pump, connected by Cat XT-6™ hydraulic hose and couplings to a piston motor. | 
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| Travel Speeds | Travel speeds are infinitely variable between zero and top speed. Two speed modes “work” and “travel”, provide two different speed ranges to best match machine speed and torque to the job conditions for maximum productivity. Maximum travel speed is 10 kph (6.2 mph) when the switch is set in the travel position. | 
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| Speed-Direction Control Lever (SDL) | The operator controls the speed of the machine and the direction of travel with a single “Speed-Direction control Lever” (SDL) located on the left console. |
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| Braking | Braking is accomplished by moving the Speed-Direction control lever on the left console to a slower position (closer to the top of the “Reverse V”), or all the way to the “Brakes-on” position (at the point of the “Reverse V”), The center foot pedal can also be used for emergency braking. |
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| Steering | Steering is accomplished by changing relative pump flows and/or motor displacements, which causes one track to rotate slower than the other track. A more aggressive steering command (pushing one foot pedal down farther) will cause one track to stop/reverse while the other track continues to rotate. |
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| Implement System | Work smart and move more |
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| Maneuverability | The hydrostatic drive train also offers independent power and control of each track, with fast acceleration, infinitely variable speeds, and automatic, on-the-go, direction changes for each track. The operator can command smooth “power turns” or even counter-rotation of the tracks by simply pushing one of the steering pedals. The Caterpillar hydrostatic drive system manages itself, freeing the operator to concentrate on using the Cat track loader’s superb agility, speed, and maneuverability to d | 
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| Electro-hydraulic Implement Controls | Electro hydraulic implement controls on the 963D provide the operator with responsive, smooth and precise control of bucket and lift arms. They also allow the operator to set personal parameters through Messenger such as implement reactions. | 
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| Load sensing hydraulics | The 963D features a load sensing hydraulic system that automatically adjusts to operating conditions to provide only the hydraulic flow required by the implement for improved fuel efficiency. |
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| Automatic kick-outs | The standard programmable automatic kick-outs provide flexibility and productivity for precise load and dump target heights. Tilt and lift kickouts are set by positioning the bucket or work tool and setting a rocker switch in the cab. |
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| Position sensing cylinder | Position sensing cylinders allows you to:
- Set lift and tilt kickouts at any positions according to the applications without operator leaving the cab
- Advanced automatic features as feather catch (accelerate and stop smoothly) & snubbing (smooths start and stop cylinder motion)
- Sensing of the cylinder end of stroke
- Prevent unintended motion.
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| SystemOne™ Undercarriage | The SystemOne undercarriage was designed exclusively for Caterpillar machines to reduce customers’ operating costs, downtime and maintenance intervals. | 
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| Revolutionary Undercarriage | SystemOne™ is the latest innovation in a century of undercarriage leadership. It was designed to reduce customers’ operating costs and maintenance intervals.
The revolutionary Cat SystemOneTM Undercarriage provides maximum undercarriage life and reliability no matter the application, environment or underfoot conditions. Built to last longer and require less maintenance it ensures a dramatic drop in operating costs. |
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| Track Roller Frames | The track roller frames are a welded, box section design, which provides strength and resistance to bending without adding extra weight. The track roller frames are pinned at the rear to the loader main frame with pivot shafts, which allow the front of the track roller frames to swing or oscillate about the pivot shafts at the rear. |
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| Guiding System | Better, more rigid guiding. The guiding system contacts link rails instead of pin ends and helps keep the track within the roller system. |
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| Idlers | Idlers provide superior structural support and rebuild capabilities. Special heat treatment of the idler rim ensures proper hardness levels, which provides wear resistance. Cat’s Duo-Cone® seals give lifetime lubrication, which eliminates idler maintenance and lowers operating costs. |
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| Cartridge Joints | Factory-sealed cartridge joints are welded to control end play. They offer improved seal integrity through an innovative new sealing system and do not depend on the link interface to remain sealed. As with all new Cat undercarriage products, they are filled with special oils. | 
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| Carrier Rollers | The 963D has seven track rollers, which spread machine weight over a large area and two upper carrier rollers on each side mounts to the machine mainframe.
The rollers and carrier rollers have been redesigned to run with the system. This will lead directly to better guiding. All rollers in this new system are single flange rollers with increased flange diameter. The increased flange diameters increase guiding capability. | 
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| Track Shoes | The shoes for SystemOne™ are unique to this system. Several track shoe types tailor your machine for work in all underfoot conditions. The SystemOne links have a straight rather than offset bolt hole pattern.
Double grouser standard or narrow track shoes are available. The standard shoe can be fitted with center hole to reduce material packing. |
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| Long-life Sprockets | The rotating bushing design of the SystemOne track greatly reduces wear on the sprocket teeth, allowing the sprockets to be used over the lives of multiple undercarriages. |
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| Oscillating Undercarriage | The undercarriage on the 963D features an “oscillating track roller frame design” which decreases ground shock to the machine, increases machine stability, and provides a smoother, more comfortable ride for the operator. Oscillating track roller frames keep more of the track on the ground when operating on uneven terrain, which increases machine stability, felt by the operator, allowing faster machine operation, increased machine productivity and reduced operator fatigue. |
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| Track Adjuster | The track adjuster and mechanical recoil system uses a large recoil spring and grease filled adjustment cylinder, which allows the idler to move forward and back to maintain proper track tension as it absorbs undercarriage shock loads. |
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| Equalizer Bar | The equalizer bar is pinned in its center to the machine mainframe and at the ends to each track roller frame. This allows the forward ends of the track roller frames to oscillate, or move vertically, to keep more track on the ground in uneven underfoot conditions. The equalizer bar also provides a more stable work platform for the operator, who will be comfortable working at faster speeds for increased productivity. |
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| Structure | Durable Slab section Frame and Loader Front End: Durable with increased space claim for larger components. |
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| Mainframe and Loader Tower | The 963D Main Frame and Loader Tower is a single, slab rails with reinforced cross members, with castings and forgings incorporated at points of high stress, to distribute those stresses over wider areas for long structural life. | 
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| Design | The part of the frame below the engine and operator’s station consists of two Slab-section side-frame rails, which are joined at the rear by a box-section cross member. The Slab-section 963D frame resists twisting and impact forces to provide a solid foundation for all the components it supports. Mounting points for the final drives, pivot shafts, and platform are built into each mainframe side rail. |
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| Frame side plates | The frame side plates are made of mild steel, which provides strength and resists shock and bending stresses. “Deep penetrating”, “Backed up” welds are used for maximum strength. |
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| Z-Bar linkage | Breakout force is exceptionally high due to mechanical advantage of Z-bar linkage design, and hydraulic pressure applied to the head end of the tilt cylinder. Using a single tilt cylinder and linkage provides the operator a better view of the work area, bucket, and cutting edge. |
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| Loader tower | The loader tower is integral with the basic main frame. The one slab plate continues forward to become one side of the loader tower in order to provide a smooth transition to loads from linkages to the mainframe rails. The loader tower provides a solid mount for lift arms, lift cylinders, and Z-bar tilt cylinder. A box-section cross member is welded below the two inboard loader tower plates to add strength. The equalizer bar, which connects the track roller frames to the main frame, is mounted b | 
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| Sealed Loader Linkage | The 963D linkage has fewer grease points compared to other linkage designs because every pin joint is sealed to keep grease in and dirt out. Fewer grease points and sealed pins means less downtime for maintenance allowing more working hours between servicing. |
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| Special Application Arrangements | Special arrangements improve the 963D’s performance in special applications. | 
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| Longer Tooth Life | Tips are installed with a slight twist and secured with a one-piece retainer, providing less tip movement and nose wear. | 
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| Stable System Geometry | Opposing, sloped rails on the adapter provide full length stabilization with minimal movement. The tip bears directly on the end of the adapter nose to absorb thrust loads, leading to better tip retention and a longer adapter life. | 
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| Easy Installation and Removal | Opposing sloped side rails and flanks keep the tip on the nose as the retainer is being installed and removed. The one-piece vertical retainer requires low force and no special tools, allowing faster and easier removal and installation, amounting to less machine down time for tip changes. | 
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| Lift Arms | The two arms are welded into a single unit, using a weld-fabricated cross-tube. The fabricated cross-tube and tilt lever use forging at high stress points to spread the loads for long life.
The tilt link (Dog Bone) is a single forging. The 963D linkage design combines the advantages of strength and durability with minimum structural weight, so that productivity is not penalized by excess weight in the linkage. |
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| With the addition of certain special modifications, the capabilities of the 963D can be further expanded to handle some very harsh working conditions. |
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| Waste Handling / Demolition Arrangements | Waste Handling arrangements provide added protection and are designed to make the 963D perform well in landfills, or any waste handling or demolition applications where the machine spreads, compacts, sorts, shreds and crushes materials. |
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| Sharper Digging Profile | Lower height at the front and the back of the nose provides a sharper profile. This provides more production, less machine strain and lower cost of machine operation. | 
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| Reversible Tips | Each tip ear has a retainer groove with a locking recess. Tips can be run in one direction, then “flipped,” or reversed, to get the maximum use of wear material from the tip. |
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| Shiphold Arrangement | The 963D with its low ground pressure and excellent stability works well on top of loose materials, cleaning the cargo from the sides of the holds and moving it into position for the unloading system. Lifting eyes are included so that the 963D can be lifted from the dock to the hold. |
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| Wide Gauge | For underfoot conditions that require even lower ground pressure than the standard 963D undercarriage the gauge of the machine can be widened by 250 mm (9.8 inches) and the track shoe width increased to 800 mm (31.5 inches). The ground pressure is decreased to 53 kPa (7.7 psi). |
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| Custom Products Arrangements | Other arrangements beyond those shown here are available. For other custom-designed arrangements for specific applications, contact your Caterpillar Dealer. |
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| Versatility | The large variety of tasks an operator can perform with the standard machine and Work Tools has lead to the Caterpillar Track Loader’s reputation for versatility. |
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| Multi-Purpose Bucket | The Multi-Purpose (MP) bucket combines the performances of a standard bucket, dozer blade and clamp. The bucket provides maximum versatility combined with strength to handle a broad range of applications, such as loading, stripping topsoil, clearing, bulldozing, picking up debris and grading. | 
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| General Purpose Landfill Bucket | With the integrated trash-rack, the General Purpose Landfill (GP Landfill) bucket becomes ideal for digging, loading and carrying as well as dozing and spreading material at landfills, or loading refuse at a transfer station. | 
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| General Purpose Bucket | The General Purpose (GP) bucket is designed for excellent loadability and long life in a broad range of applications such as hard bank excavating, stripping and stockpile loading. High-strength, low-alloy steel helps the bucket resist dents and abrasions. Rear edge of bucket is designed for improved efficiency when backdragging.
The shell-tine design in the bucket back and floor offers increased structural strength. | 
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| Multi-Purpose Landfill Bucket | The Multi-Purpose Landfill (MP Landfill) bucket combines the versatility of a Multi-Purpose bucket with the performance of a landfill design. Constructed with a trash-rack for increased capacity, extra strength and better load retention. Ideal for applications in the harsh refuse market, whether digging or spreading material at the landfill or grasping and loading refuse at a transfer station. | 
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| Bucket Protection Options | Caterpillar offers several types of adapters, tips, and cutting edges, which increase bucket life and maximize performance. |
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| K Series™ Tooth System | The K-Series tooth system provides longer tip and adapter life, faster cycle time with greater bucket fills and reduced machine strain. Therefore, it contributes to the reduction of operating costs.
Easy and convenient during the installation, this new system provides a very good response to the need of reliability and durability of such components. | 
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| Tip Options | Caterpillar GET offers a variety of tips to better accommodate your needs in any working environment, whether that is high impact or general-purpose applications.
These and other GET options are available from your Caterpillar Dealer. | 
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| Penetration Tips | Pentration tips are extremely strong and are for use in high impact and pry-out work such as rock. |
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| General Duty Tips | General duty tips are for use in most general applications where breakage is not a concern. |
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| Extra-duty, Tips | Extra-duty long tips are for use in general loading and excavation work. They have thirty-six percent more wear material than on standard tip. Provides increased strength, extended service life, and low cost-per-hour. |
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| Ripper-Scarifier | A radial ripper-scarifier is available for the 963D as an attachment. It is mounted with two pins pressed into each side of the main frame. Two cylinders raise and lower the ripper. The ripper beam has three pockets for holding ripper shanks. The linkage pins do not require lubrication.
The 963D ripper-scarifier is intended for ripping frozen ground, asphalt and easily ripped rock. | 
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| Additional Work Tools | Beyond the GP and MP buckets and the Ripper-scarifier your Cat dealer offers: Side-Dump Buckets, Landfill Buckets, Straight Trim Blades, Pallet Forks, Extendible Material Handling Arms, and Quick Couplers. |
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| Serviceability and Customer Support | Grouped service points and excellent accessibility make the 963D easy to maintain. | 
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| Left side compartments | The lower part of the compartment door can be used as a step to access the shunt tank fill, the air pre-cleaner (if equipped) and allows easy cleaning of the rear window. | 
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| Tiltable Cab | The 963D is equipped with a tiltable cab. This new feature makes the maintenance and the repairs easier. By tilting the cab, you can access to the drive train and perform complete service of the hydraulic system. |
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| Right side compartments |
- The two maintenance-free batteries, the machine ECM and the window washer reservoir are located on the right side compartment, accessible from the ground.
- The engine compartment has large hinged openings with latches. On the door, you can clip a grease gun.
You can access to the following maintenance and service points:
Primary & secondary Engine Air filter
Engine air pre-cleaner
Water in fuel separator
Fuel filter
Engine crankcase breather filter
Engine oil | 
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| Fuel fill | The fuel tank and the optional quick fill port are located on the right side compartment, below the cab access. | 
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| Cooling System | The fan and the grill swing open, providing excellent access for clean-out and maintenance. The heavy duty latched grill minimizes debris build-up. | 
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| Ground Level Shutdown | The Engine Control ECM monitors the status of a switch that is mounted behind a cover at the rear of the machine, allowing the machine to be shut down from ground level in emergency situations. |
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| Cab Air Filter | The cab air filter, the grouped pressure taps, the cab tilt locking bar, the optional cab tilt cylinder, the tool box, and the hydraulic oil filters are conveniently located below the left-side cab window. | 
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| Hydraulic Tank | The hydraulic tank is located in the front of the machine. It is accessible without raising the lift arms. A site gauge allows oil level check from the ground. |
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| Fuse Panel | The fuse panel is located to the inside of the cab, on the rear right side console. It includes the ET port. | 
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| Easy Diagnosis | The gauge cluster and self-diagnosing Electronic Hydraulic Control (EHC) work together to warn against faults to reduce downtime. |
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| S·O·S Fluid Taps | Simplifies drawing fluid samples for Scheduled Oil Sampling and reduces sample contamination. |
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| Quick-Connect Fittings | The quick-connect hydraulic grouped pressure taps allow quick diagnosis of the hydrostatic drive and the implement hydraulic systems. | 
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| Product Link | This option allows a customer or dealer to remotely obtain machine diagnostics. Product Link provides updates on service meter hours, machine condition, machine location, and integrated mapping/route planning. | 
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| Complete Customer Support | Cat field service technicians have the experience and tools necessary to service your loader on site. Technical experts at the dealership and Caterpillar can provide additional assistance to field service technicians as needed. When on-site repair isn’t enough, Cat dealerships are fully equipped to service your loader quickly. |
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