D8T Track-Type Tractor
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Catalog excerpts

D8T Track-Type Tractor - 1

D8T ® Track-Type Tractor Engine Engine Model Gross Power Flywheel Power Weights Operating Weight Shipping Weight ® Cat C15 ACERT 259 kW 347 hp 231 kW 310 hp 38 488 kg 29 553 kg 84,850 lb 65,152 lb • Operating Weight: Includes hydraulic controls, blade tilt cylinder, coolant, lubricants, 100% fuel, ROPS, FOPS cab, SU-Blade, Single-Shank Ripper, 560 mm (22 in) MS shoes, and operator. • Shipping Weight: Includes coolant, lubricants, 20% fuel, ROPS, FOPS cab, and 560 mm (22 in) MS shoes.

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D8T Track-Type Tractor - 2

D8T Track-Type Tractor Strength from the past. Power for the future.™ The D8T combines power and efficiency with advanced technology for outstanding production at a lower cost-per-yard. C15 Engine with ACERT® Technology ✔ 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. pg. 4 Operator Station ✔ Designed for operator comfort, ✔ Electro-hydraulic implement controls convenience, and productivity. allow low...

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D8T Track-Type Tractor - 3

Drive Train Undercarriage The electronically controlled power shift transmission, efficient differential steering and durable planetary final drives deliver outstanding power transfer and long life to ensure maximum productivity. pg. 9 The proven elevated sprocket undercarriage isolates the drive train components from ground-induced impacts. The suspended undercarriage puts more track on the ground for higher traction and less track slip. It absorbs shocks for a smoother ride and longer machine life. pg. 10 Structure ✔ Mainframe is heavy, strong and durable. Full box sections, steel...

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D8T Track-Type Tractor - 4

C15 Engine with ACERT® Technology A combination of innovations working at the point of combustion, ACERT Technology optimizes engine performance while meeting EPA Tier 3 and EU Stage IIIa engine exhaust emission regulations for off-road applications. C15 Block. The one-piece, grey iron block features generous ribbing for stiffness and heavy bearing bulkheads for rigidity and strength. Incorporation of straight o-ring connection points reduces the loss of engine oil and fluids. ADEM™ A4 Engine Controller. The ADEM A4 electronic control module manages fuel delivery to get the best performance...

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D8T Track-Type Tractor - 5

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 in its ability to control injection pressure over the entire engine operating speed range. These features allow the C15 to have complete control over injection timing, duration, and pressure. ATAAC and Airflow. Air-to-air aftercooling keeps air intake temperatures down and, in concert with the tight tolerance combustion chamber...

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D8T Track-Type Tractor - 6

Operator Station Designed for operator comfort, convenience, and productivity, the state-of-the-art cab sets a new standard. 8 7 6 6 1 5 3 4 2 6

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D8T Track-Type Tractor - 7

1) Steering Control. Dual-twist tiller control with standard differential steering controls direction and degree of turns, forward-reverse shifting, and gear selection in a single control handle— enhancing operator comfort. 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 and comfortable restraint. 3) Adjustable Armrests. Standard adjustable armrests provide additional comfort for the...

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D8T Track-Type Tractor - 8

Implement and Steering Controls Low effort control functions significantly reduce operator fatigue for increased performance. Auto Pitch. Presetting blade pitch angles for optimal performance during the dozing cycle: one setting each for load, carry, spread and return. Auto Pitch is activated on the Advisor keypad; the operator can select the dozing segment by pushing the yellow button on the left side of the dozer handle. 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...

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D8T Track-Type Tractor - 9

Drive Train The drive train provides maximum efficiency in combination with the C15 engine with ACERT Technology. Power Shift with Differential Steer Nx 1000 lbs x 1000 140 600 120 1F 500 Drawbar Pull 100 400 80 300 60 200 2F 40 100 0 0 3F 20 0 0 1 2 2 3 4 4 6 5 8 6 7 mph km/h 10 Speed Torque Divider. A high efficiency torque divider with fixed stator provides high torque multiplication while shielding the drive train from sudden torque shocks and vibration. Differential Steering System. A planetary differential turns the machine by speeding up one track and slowing the other, while...

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D8T Track-Type Tractor - 10

Undercarriage The Caterpillar elevated sprocket undercarriage is designed for optimized machine balance and best possible performance and component life. 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. Suspended Undercarriage Design. Suspended undercarriage design absorbs impact loads to reduce the shock loads transferred to the undercarriage by up to 50 percent in uneven terrain. Integrated Carrier Roller Mount. The carrier roller...

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D8T Track-Type Tractor - 11

Structure Engineered to provide durability and the solid support necessary for maximum production and service life in the most demanding work. Tag-Link. The Tag-Link 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. Mainframe Strength. The D8T mainframe is built to absorb high impact shock loads and twisting forces. Frame Rails. Full box section, designed to keep components rigidly aligned. Heavy Steel Castings. Adds...

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