| Wipers | Pillar-mounted wipers increase the operator’s viewing area and offer continuous and intermittent modes. |
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| Service Points | Service points are centrally located with easy access to facilitate routine maintenance. |
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| Cold Weather Starting Kit | The optional kit includes the ether starting aid. With this kit, the 345D has the capability to start at -32 degree Centigrade. |
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| Heavy Lift Standard | The operator can select the heavy lift mode at the push of a button to boost lifting capability and provide improved controllability of heavy loads. |
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| C13 Engine with ACERT® Technology | Built for power, reliability, economy and low emissions. | 
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| Performance | The 345D, equipped with the C13 with ACERT® Technology provides 18% more horsepower compared to the 345C. The building blocks of ACERT Technology are fuel delivery, air management, and electronic control - providing better fuel economy and reduced engine wear. |
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| Emissions | ACERT Technology is a differentiated technology that reduces emissions at the point of combustion. The technology capitalizes on Caterpillar’s proven leadership in three core engine systems: fuel, air and electronics. |
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| Fuel System | The Cat® C13 features electronic controls that govern the mechanically actuated unit fuel injection (MEUI) system. MEUI provides the high-pressure required to help reduce particulate emissions and deliver better fuel economy through finer fuel atomization and more complete combustion. |
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| Skylight | An enlarged skylight with sunshade provides excellent visibility and good ventilation. |
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| Counterwieghts | The 345D has several counterweight options to best match the machine to your application. |
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| 6.9 m Reach Boom | The Reach boom is designed to balance reach, digging force bucket capacity, offering a wide range of applications as digging, loading and trenching. |
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| ADEM™ A4 Engine Controller | The ADEM™ A4 electronic control module manages fuel delivery to get the best performance per liter of fuel used. The engine management system provides flexible fuel mapping, allowing the engine to respond quickly to varying application needs. It tracks engine and machine conditions while keeping the engine operating at peak efficiency. |
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| Turbocharger | The Cat C13 uses a wastegate turbocharger for improved performance.
- The wastegate valve controls excessive engine boost pressure by allowing exhaust to bypass the exhaust-side turbine.
- The wastegate also reduces turbine wear in high RPM; low load conditions and optimizes air and fuel delivery for peak engine performance.
- The turbocharger increases the density of the air, enabling the engine to produce more power with few effects from altitude.
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| Low Sound and Vibration Levels | The engine mounts are rubber-isolating mounts matched with the engine package to provide optimum sound and vibration reduction. Further noise reduction has been achieved through design changes to the isolated top cover, oil pan, multiple injection strategy, insulated timing cover, sculpted crankcase. |
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| Air Cleaner | The radial seal air filter features a double-layered filter core for more efficient filtration and is located in a compartment behind the cab. A warning is displayed on the monitor when dust accumulates above a preset level. |
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| Cooling System | The 345D layout completely separates the cooling system from the engine compartment. The cooling fan is hydraulically driven with variable speed control based on the ambient temperature, coolant temperature, and hydraulic oil temperature. This unique feature assists in the management of engine power and improves noise efficiency while providing optimized cooling. |
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| Hydraulics | Cat® hydraulics deliver power and precise control to keep material moving. | 
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| Pilot System | The pilot pump is independent from the main pumps and controls the front linkage, swing and travel operations. The pilot control valve operation is proportional to control lever movement, delivering outstanding controllability. |
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| Component Layout | The component location and hydraulic system design provide the highest level of system efficiency. The main pumps, control valve and hydraulic tank are located as close to each other as possible. This design makes it possible to use shorter tubes and lines between components, reducing friction losses and pressure drops. |
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| Hydraulic Cross-Sensing System | The hydraulic cross sensing system utilizes each of two hydraulic pumps to 100 percent of engine power under all operating conditions. This improves productivity with faster implement speeds and quicker, stronger pivot turns. |
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| Boom and Stick Regeneration Circuits | A hydraulically operated stick regeneration circuit saves energy and improves multi-function performance during the stick-in operation. New on the 345D, the boom regeneration circuit is operated electrically, and this system is managed by the machine ECM. The system improves cycle times and fuel efficiency, increasing your productivity and reducing operating costs. |
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| Oil Sample and Pressure Ports | Oil sample and pressure ports provide easy checking of machine condition and are standard on every machine. | 
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| Greasing Points | A concentrated remote greasing block on the boom delivers grease to hard-to-reach locations. |
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| Boom and Swing Priority | The hydraulic system on the 345D provides automatic priority function for boom-up and swing operations eliminating the need for work mode buttons. When the boom or swing lever is activated, the system automatically assigns priority based on operator demand. |
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| Hydraulic Cylinder Snubbers | Snubbers are located at the rod-end of the boom cylinders and both ends of the stick cylinders to cushion shocks while reducing sound levels and extending component and structure life. |
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| Operator Station | Designed for simple, easy operation, the 345D allows the operator to focus on production. | 
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| Cab Design | The workstation is spacious, quiet and comfortable, assuring high productivity during a long work day. The air conditioner and attachment switches are conveniently located on the right-hand wall, and the key switch and throttle dial are on the right-hand console. The monitor is easy to see with excellent visibility. |
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| Standard Cab Equipment | To enhance operator comfort and productivity, the cab includes a lighter, drink holder, coat hook, service meter, literature holder, magazine rack and storage compartment. |
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| Monitor Display Screen | The compact, full color 400x234 pixels Liquid Crystal Display (LCD), displays machine maintenance, diagnostic and prognostic information, in twenty-seven different languages. The keypad allows the operator to select machine operation conditions and to set view preferences. The Master Caution Lamp blinks ON and OFF when one of these critical conditions occur:
- Engine oil pressure low
- Coolant temperature high
- Hydraulic oil temperature high
Under the normal cond | 
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| Clock and Throttle Dial Area | The clock, throttle dial position and green gas-station icon are displayed on the monitor screen. |
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| Gauge Area | Three analog gauges, fuel level, hydraulic oil temperature and coolant temperature are displayed on the monitor. |
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| Event Display Area | Machine information is displayed on the montitor screen with the icon and language. |
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| Multi-information Display Area | This area is reserved for displaying information that is convenient for the operator. The “CAT” logo is displayed
when no information is available to
be displayed. |
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| Console | The consoles feature a simple, functional design that reduces operator fatigue. Switch access is exceptional providing excellent visibility and easy operation. Both consoles have attached armrests with height adjustments. | 
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| Joystick Controls | The 345D uses pilot operated control levers, positioned so the operator can operate with arms on the armrests. The vertical stroke is longer than the horizontal stroke, reducing operator fatigue. The control lever grips are ergonomically to fit into the operator’s hands. The horn switch and one-touch low idle switch are positioned on top of the left and right grip. |
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| Hydraulic Activation Control Lever | For added safety, this lever must be in the operate position to activate the machine control functions. |
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| Cab Mounts | The cab shell is attached to the frame with viscous rubber cab mounts, which dampen vibrations and sound levels while enhancing operator comfort. |
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| Seat | A high-back, heated, air-suspension seat is now standard on the 345D. The seat allows a variety of adjustments to suit the operator's size and weight and provides a comfortable working environment. Wide adjustable armrests and a retractable seatbelt are also included. |
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| Climate Control | Positive filtered ventilation with a pressurized cab comes standard on the 345D. Fresh air or re-circulated air can be selected with a switch on the left console. |
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| Cab Exterior | The exterior design uses thick steel tubing along the bottom perimeter of the cab, improving the resistance of fatigue and vibration. This design allows the FOGS to be bolted directly to the cab, at the factory or as an attachment later, enabling the machine to meet specifications and job site requirements. |
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| Windows | All glass is affixed directly to the cab, eliminating window frames and expanding the operator’s view, which allows for excellent visibility. The upper front windshield opens, closes and stores on the roof above the operator with a one-touch action release system. |
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| Undercarriage | Durable undercarriage absorbs stresses and provides excellent stability. | 
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| Undercarriage Options | Track with Positive Pin Retention 2 (PPR2) and cast idlers are available on the 345D. The PPR2 prevents loosening of the track pin from the track link and the cast idler is designed for extended life. Both options are ideal for extreme applications or those that require a large amount of travel. |
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| Travel Motors | Two-speed axial piston hydraulic motors provide the 345D drive power and automatic speed selection when the high-speed position is selected. This enables the machine to automatically change between computer-controlled high and low speeds depending on drawbar-pull requirements. |
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| Straight-line Travel Circuit | The straight-line travel circuit is incorporated into the hydraulic system, which maintains low-speed, straight-line travel, even when operating the front linkage. |
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| Final Drive | The three-stage planetary reduction final drives design results in a complete drive/brake unit that is compact and delivers excellent performance and reliability. |
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| Track | The 345D comes standard with a grease lubricated track called GLT4. The track links are assembled and sealed with grease to decrease internal bushing wear, reduce travel noise and extend service life lowering operating costs. The track link for the 345D has been re-designed to avoid the concentration of stresses and improve durability and reliability. | 
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| Track Guards | The idler guard and bolt-on center guard are standard equipment. They help maintain track alignment while traveling or working on slopes. For applications that require additional track protection or alignment, optional guarding is available. |
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| Structures | The 345D structural components are the backbone of the machine’s durability. | 
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| Carbody | The 345D has three undercarriage options to meet regional transportation requirements and application needs.
- Standard and Long Fixed gauge for narrow transport and weight sensitive areas.
- Variable gauge for increased track and ground clearance and over-side lift.
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| Upper Frame | The rugged main frame is designed for maximum durability. Robot welding is used for consistent, high-quality welds. The main channels are box sections connected by a large diameter tube in the boom foot area to improve rigidity and strength. The outer frame utilizes curved side rails for rigidity against bending and torsional loads. |
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| Track Roller Frame | Fixed Gauge Undercarriage
- Uses a press-formed, pentagonal section for the track frame that is robot-welded for weld consistency and quality. The track frame has been designed so that the top of the track frame has a steep angle to help prevent accumulation of mud and debris.
Variable Gauge Undercarriage
- The track roller frame is made of thick steel plate that is bent into a U-shape and welded to the bottom plate to create a box structure. The box structure design for increas
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| Boom, Sticks and Attachments | Designed for maximum flexibility to keep productivity and efficiency high on all jobs. | 
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| Front Linkage Attachments | Three length of booms and five types of sticks are available, offering a range of configurations suitable for a wide variety of application conditions. |
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| Boom Construction | The 345D booms have large cross-sections and internal baffle plates to provide long life durability. Forged steel is used in critical high-load areas such as the boom-foot and boom cylinder connection. |
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| 7.4 m Long Reach Boom | The Long Reach boom when combined with the 4.3 m stick provides a 8.9 m of dig depth. This boom/stick combination has a significantly reduced transport height, eliminating the need to remove the stick cylinder pin. |
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| 6.55 m Mass Excavation Boom | The mass boom is designed to provide maximum digging forces, bucket capacity and truck loading productivity. The mass boom comes with two stick options for further job site versatility. |
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| Stick Construction | The 345D sticks are made of high-tensile strength steel, use a large box section design, interior baffle plates and an additional bottom guard to provide years of service under the most demanding applications. |
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| Power Link | The 345D power link improves durability, increases machine-lifting capability in key lifting positions, and is easier to use compared to the previous lift bar designs. | 
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| Work Tools | The 345D has extensive selection of work tools to optimize machine performance. | 
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| Work Tools | Choose from a variety of work tools such as hammers, shears, pulverizers, compactors, multi-processors, sorting grapples and couplers. Ask your Cat dealer for information on attachments or special configurations. |
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| General Purpose Buckets | General purpose (GP) buckets for digging in low-impact, moderately abrasive materials such as dirt, loam, gravel and clay. |
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| Heavy Duty Buckets | Heavy duty (HD) buckets for a wide range of moderately abrasive applications such as mixed dirt, clay and rock. HD buckets have best loading and dumping characteristics and will empty easier in cohesive material. More robust construction than the GP buckets. |
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| Heavy-Duty Power (HDP) Buckets | For use in moderately abrasive applications where breakout force and cycle times are critical. Maximizes tip force and improves cycle times in most materials. Not for use in sticky material conditions. Cutting edge and GET are upsized. |
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| Heavy Duty Rock Buckets | Heavy duty rock for aggressive bucket loading in highly abrasive application such as shot rock and granite. Features include:
- Thickest wear plates to extend the life of bucket in severe applications.
- Side wear plated extend further up the side of the bucket for maximum protection in rocky soils.
- Buckets accept sidebar protectors for best sidebar protection, or sidecutters for best fill characteristics and bucket wear protection.
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| Rock Ripping Buckets | Ruggedly constructed narrow bucket for ripping where material penetration and the inability to blast is a concern. The aggressive lip-type ripping design uses five sharp or twin sharp teeth in a staggered position. The staggered design allows one or two tips to penetrate first for higher breakout forces. |
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| Caterpillar Ground Engaging Tools (GET) | The Caterpillar® J and K Series™ GET are available on the 345D buckets. The K Series GET system uses a vertical retainer, which is easier to remove and install than the Cat J Series pin. The tooth shapes are extremely aggressive and offer excellent penetration. There are a variety of side cutters and sidebar protectors to match operating conditions.
• The sidecutter design is aggressive in trenching applications, improving efficiency and bucket payload. | 
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| Service Life | Caterpillar® buckets increase service life and reduce repair costs.
- Dual radius design for increased life and reduced wear.
- Robot welding of hinge assembly for increased weld penetration and longer life.
- Incorporates the aggressive and easier to install, K Series™ GET system.
- High strength and heat-treated steel that exceeds T-1 in high wear areas.
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| Versatility | A wide variety of optional and factory-installed attachments are available to enhance performance and improve job site management. | 
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| Capsule Filter | The hydraulic return filters are located in the hydraulic tank. The filter elements are removable without spilling hydraulic oil. |
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| Pilot Hydraulic System Filter | Pilot hydraulic system filter keeps contaminants from the pilot system and is located in the pump compartment. |
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| Fuel-Water Separator | The water separator has a primary fuel filter element and is located in the air cleaner compartment for easy access from the ground. |
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| Tool Control System | The optional tool control system maximizes work tool productivity by configuring hydraulic flow, pressure, and operator controls to match a specific work tool. System versatility enables a wide range of tools to be used. | 
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| Control Levers | The operator's control lever preferences are diverse. Three types of tool controls are available:
- Foot Pedal - The hydraulic modulated foot pedal is used in conjunction with the hydraulic controller.
- Foot Switch - The electric on/off switch pedal is used in conjunction with either the hydraulic controller or attachment controller. The foot switch is located on cab floor.
- Tool controller joysticks - Two types of the tool control joysticks are available. Joystick with mo
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| Auxiliary Hydraulic Valve | A hydraulically controlled auxiliary valve is standard on the 345D. Control circuits are available as attachments, allowing operation of high and medium pressure tools such as shears, grapples, hammers, pulverizers, multi-processors and vibratory plate compactors. |
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| Machine Security | An optional Machine Security System is available from the factory on the 345D. This system controls when the machine can be operated and utilizes specific keys to prevent unauthorized machine use, a significant theft deterrent. | 
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| Product Link | Product Link 321 is available as an option on the 345D. The optional levels of service, including Asset Watch, Maintenance Watch, and Health Watch allow you to monitor and maintain your equipment for the lowest operating cost. |
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| Service and Maintenance | Simplified service and maintenance save you time and money. | 
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| Extended Service Intervals | Extended service and maintenance intervals increase machine availability. The maintenance intervals for engine oil and engine oil filter have been extended to 500 hours. |
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| Radial Seal Main Air Cleaner | Radial seal main air cleaner with pre-cleaner has a double-layered filter element for more efficient filtration. No tools are required to change the element. |
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| Complete Customer Support | Cat dealer services help you operate longer with lower costs. | 
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| Product Support | You will find nearly all parts at our dealer parts counter. Cat dealers utilize a worldwide computer network to find in-stock parts to minimize machine downtime. You can save money with Cat remanufactured components. |
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| Machine Selection | Make detailed comparisons of the machines you are considering before you buy. What are the job requirements, machine attachments and operating hours? What production is needed? Your Cat dealer can provide recommendations. |
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| Purchase | Look past initial price. 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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| Customer Support Agreements | Cat dealers offer a variety of product support agreements, and work with customers to develop a plan the best meets specific needs. These plans can cover the entire machine, including attachments, to help protect the customer’s investment. |
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| Operation | Improving operating techniques can boost your profits. Your Cat dealer has videotapes, literature and other ideas to help you increase productivity, and Caterpillar offers certified operator training classes to help maximize the return on your investment. |
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| Maintenance Services | Repair option programs guarantee the cost of repairs up front. Diagnostic programs such as Scheduled Oil Sampling, Coolant Sampling and Technical Analysis help you avoid unscheduled repairs. |
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| Replacement | Repair, rebuild or replace? Your Cat Dealer can help you evaluate the cost involved so you can make the right choice. |
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