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Komatsu D375A-8 Bulldozer
Whether you are looking to keep blasting, loading and dump areas clean, or construct and maintain haul roads, dozers have a direct impact on your fleet’s productivity. With new mainframes featuring twice the design life over previous models, Komatsu mining dozers are engineered to be powerful and durable.
Lockup torque converter: Engineered for exceptional production. Komatsu’s lockup torque converter produces a more efficient transfer of power to the driveline, designed to help decrease cycle times and increase production.
Low undercarriage design: Equipped with a low drive undercarriage designed to help reduce wear and tear on your machine while still delivering comfort and stability. Minimal moving parts to help maintain high levels of traction and production when dozing and ripping.
Structural improvements: The D375A-8 features a more reliable mainframe with twice the design life over previous models, designed to reduce maintenance costs and machine downtime.
Blade auto-pitch: Designed to increase dozing efficiency while reducing operator efforts with blade auto-pitch mode.
Ripper auto-return: The new, ergonomic ripper control lever incorporates an auto-return function designed for less fatiguing operation, automatically raising the ripper after momentarily actuating the control lever while the machine is in reverse.
Track shoe slip control: Track shoe slip control automatically controls engine speed and minimizes slip during ripping operation, so your operator doesn’t have to.
Operator comfort: Designed to maximize operator comfort and productivity with thoughtful design enhancements like an upgraded cab suspension and palm control joysticks.
Single blade linkage: Significantly reduced blade side sway with an all-new blade support structure. The new support structure has fewer maintenance points with enhanced visibility over previous models.
Maintenance features: The D375A-8 is engineered to minimize planned downtime and make maintenance efficient with features such as centralized greasing points, ground-level fill/evac service center and battery and starter isolators with lockout tagout functionality.
|Operating Weight||163,340 lbs.|
|Fuel Tank Capacity||317 Gallons|
|Frame Type||Track Roller Frame: Cylindrical, high-tensile-strength steel construction|
|Final Drive||Double-reduction final drive of spur and planetary gear sets to increase tractive effort and reduce gear tooth stresses for long final drive life. Segmented sprocket teeth are bolt-on for easy replacement.|
|Engine Type||4-cycle, direct injection|
|Net Horsepower||Forward: 609 HP
Reverse: 748 HP
|Bore x Stroke||6.69” x 6.69”|
|Speed - Foreward||1st: 2.2 MPH
2nd: 4.2 MPH
3rd L: 5.0 MPH
3rd: 7.3 MPH
|Speed - Reverse||1st: 2.9 MPH
2nd: 5.5 MPH
3rd L: 6.0 MPH
3rd: 9.8 MPH
|Gross Horsepower||Forward: 636 HP
Reverse: 775 HP
|Rated RPM||1800 RPM|
|Lubrication System||Method: Gear pump, force lubrication
|Aspiration||Turbocharged, air-to-air charge air cooler, cooled EGR|
|Piston Displacement||1,143 in³|
|Fan Drive Type||Hydraulic|
|Roller Type||Rollers & idlers: Lubricated track rollers|
|Ground Pressure||16.4 PSI (Tractor)
19.2 PSI (Semi-U Dozer)
19.4 PSI (U Dozer w/Spill Guard)
|Track Number||Track rollers (each side): 8|
|Control Valve||Spool control valve for Semi-U tilt dozer and U tilt dozer
Blade lift-Raise, hold, lower and float
Blade tilt-Right, hold, and left
Additional control valve required for variable digging angle multi-shank ripper and giant ripper
Ripper lift-Raise, hold and lower
Ripper tilt-Increase, hold and decrease
|Hydraulic Cylinders||Number of Cylinders x Bore
Blade lift: 2 x 5.5”
Blade Tilt (Single tilt): 1 x 7.9”
Blade Tilt (Dual tilt): 2 x 7.9”
Ripper Lift: 2 x 7.9”
Ripper Tilt: 2 x 7.1”
|Relief Valve Setting||4,322 psi|
|Blade Capacity||24.2 yd³ (Semi-U Dozer)
28.8 yd³ (U Dozer w/Spill Guard)
|Suspension||Oscillating equalizer bar with shoulder pad and pivot shaft|
|Steering||Palm Command Control System (PCCS), joystick controlled, wet multipledisc steering clutches are spring-loaded and hydraulically released. Wet multiple-disc, pedal/lever controlled steering brakes are spring-actuated hydraulically released and require no adjustment. Steering clutches and brakes are interconnected for easy, responsive steering.|
|Shoes||Number of shoes (each side): 41|
|Blade Length`||15'8" (Semi-U Dozer)
17'1" (U Dozer w/Spill Guard)
|Ground Contact||7,527 in²|