 |  | Operator Station
The comfortable operator's station provides an excellent viewing area to the blade and rear of the machine for maximum operator productivity. Controls are low effort and easy to reach. |
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Cab
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Clear Working View
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 | | Cat Comfort Series Seat
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Adjustable Armrests
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In-Dash Instrument Cluster
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Cat Monitoring System Display
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Heating and Air Conditioning
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Power Converter
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 | | Work Tool Lock-Out Switch
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Throttle Rocker Switch
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Steering and Transmission Control
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Auto-Shift/Auto-Kickdown
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| | Dozer Control Lever
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Ripper Control Lever
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 | | Engine
ACERT™ Technology works at the point of combustion to optimize engine performance and provide low exhaust emissions. Matched with the torque divider and power shift transmission, it provides years of dependable and efficient service. |
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Cat C9 with ACERT™ Technology
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Cylinder Block
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Cylinder Head
A new four-valve, cross-flow design provides improved combustion through enhanced air flow from smooth intake and exhaust ports. An isolated valve cover makes the engine quieter. Maximum seal at the block joint with minimum distortion is ensured with six bolt per cylinder.
The cylinder head also features lighter, yet stronger, rocker arms and valve bridges, allowing more dynamic camshaft design. This improves combustion, resulting in better response, lower emissions and reduced fuel costs. |
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Fractured-Split Connecting Rods
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ADEM™ A4 Engine Controller
The air-cooled electronic control module manages fuel delivery to get the best performance per liter (gallon) of fuel used. Flexible fuel mapping allows 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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Fuel Delivery
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HEUI™ Fuel System
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Air-to-Air Aftercooler
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Wastegate Turbocharger
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Service
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 | | Next Generation Modular Radiator (NGMR)
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Serviceability
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Leak Protection
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Sand Blast Grid
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Demand Fan Option
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 | | Power Train
The electronically controlled power shift transmission and differential steering work together with the new C9 ACERT™ engine for maximum efficiency. |
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 | | Two Pump Hydraulic System
- Split pump design for dedicated hydraulic power to steering and implements, improving blade and ripper response and overall power in steering-intensive applications
- Improved steering performance independent of implement operation.
- Constant flow in steering circuit improves hydraulic cooling, increasing cooling capacity of the machine
- Improved response in simultaneous steering/implement applications, making the machine more maneuverable overall
- Enhanced blade response when using AccuGrade
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Torque Divider
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 | | Multi Velocity Program (MVP)
The Multi Velocity Program (MVP) is an innovative machine control system that allows the operator to choose from five different speed ranges in Forward and Reverse, providing the operator with the flexibility to match machine speed to a variety of applications and ground conditions. This exclusive solution allows the operator to maximize production, minimize fuel consumption,and lower overall machine operating costs.
MVP provides the operator with five speed ranges in both Forward and Reverse. The engine speed in each speed range has been optimized to provide the best performance, fuel economy, and drawbar pull. The operator retains the ability to operate the machine in either the 3 speed or 5 speed mode. |
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Operating Efficiency and Drive Line Reliability
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Planetary Power Shift Transmission
The D6T planetary power shift transmission utilizes large diameter, high capacity, oil-cooled clutches. These clutches provide higher torque capacity and increased service life. The planetary power shift transmission offers several key features and benefits, including:
- Electronically controlled modulation system that allows fast, smooth speed and direction changes
- Modular transmission and differential slide into rear case for servicing ease, even when a ripper is installed
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Differential Steering System
Differential steering maintains power to both tracks while turning. The tractor turns when one track speeds up and the other slows down an equal amount. The operator can steer and control the transmission simultaneously, which can reduce cycle times in some applications. The differential steering tiller bar has touch shift buttons for upshifts and downshifts. Low tiller bar efforts assure operator comfort during long shifts. Large blade loads can be maneuvered around buildings, bridge abutments, trees or other obstacles. Steering modulation is also optimized for precise control in these applications. Greater load capacity, power and speed control are possible in soft underfoot conditions on steep slopes because both tracks are powered during turns. |
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 | | Elevated Final Drive
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Load Compensating Shifting
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 | | Structure
A heavy, strong and durable mainframe, strong case steel castings and reinforced frame rails provide durable support to the undercarriage, elevated final drives and other integral frame components. |
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Frame and Castings
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VPAT Frame
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Pivot Shaft
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Equalizer Bar
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 | | SystemOne™ Undercarriage
With the elevated sprocket design, the final drives are located above the work area, isolating them from ground induced impacts. The different undercarriage configurations allow the machine to be matched to the application needs. |
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SystemOne™ Undercarriage
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 | | Master Link
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Shoe Selection
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Sealed Cartridge-Style Joints
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 | | Roller Design
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 | | Center Tread Idler
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 | | Track Gauge
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Primary Track Guiding
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Secondary Track Guiding
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 | | Work Tools
Caterpillar offers a variety of work tools to equip your D6T with the versatility needed to accomplish the job quickly and efficiently. |
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Cat® Blades
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Semi-Universal
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Straight Blade
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Angle Blade
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Variable Pitch Angle Tilt (VPAT) Blade
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Site Preparation Arrangements
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L-Shaped Push Arms
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Cutting Edges and End Bits
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Load Sensing Hydraulics
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 | | Multi-Shank Ripper
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Winch
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 | | Rear Counterweight
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Drawbar
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 | | Integrated Electronic Solutions
Caterpillar offers technology options such as Product Link and AccuGrade® Grade Control System that provide greater accuracy, higher productivity, lower operating costs and more profitability. |
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AccuGrade® System for Track Type Tractors
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AccuGrade Ready Option
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AccuGrade Laser
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 | | AccuGrade GPS
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Increases Productivity and Efficiency
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Enhances Worksite Safety
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Assists with Labor Shortage
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Improves Employee Satisfaction and Retention
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 | | Cat® Product Link
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Benefits
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 | | Cat Machine Security System (MSS)
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Benefits
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 | | Serviceability
Major components have a modular design for excellent serviceability and fast in-field component exchange. |
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Built-in Serviceability
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| | Caterpillar Monitoring System
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Power Train Oil Filter and Pressure Taps
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Engine Oil Filter
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Water Separator and Fuel Filter
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Quick Disconnect Fittings
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Scheduled Oil Sampling Analysis
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Underhood Service Light
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 | | Total Customer Support
Your Cat dealer offers a wide range of services that can be set up under a customer support agreement when you purchase your equipment. The dealer will help you choose a plan that can cover everything from machine and attachment selection to replacement - helping get the best return on investment. |
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Machine Selection
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Purchase
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Serviceability
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Product Support
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Remanufactured Components
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Parts Pricing
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Resale Value
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Ag Equipment
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