Komatsu D375A-8 LARGE DOZERS
BladeCapacityMax:
28.8
BladeCapacityMin:
24.2
Horsepower:
609 @1800 rpm
OperatingWeightMax:
161840
OperatingWeightMin:
161840
Product Feature
Access
- Rear platform and guard rails
- Heavy-duty steps and large hand rails
- Secondary engine shutdown switch
- Seat belt caution indicator
- Power ladder (Optional)
Information and Communication Technology
- Machine monitor with high resolution seven-inch LCD monitor
- Energy Saving Operation
KOMTRAX Plus®
- Equipment Management Support System
- Reduce maintenance costs and achieve high equipment availability
Operator Comfort
- Ride comfort enhancements
- Equalizer bar shoulder pads
- Increased minor bogie oscillation
- Larger cab damper mounts
- New heated/ventilated operators seat with improved suspension & cushioning - Excellent visibility to the blade and ripper
- All new, ergonomic work environment and ripper levers
- Rearview monitor system
- Electronic height adjuster for steering console
Performance
- 20% more power in reverse can increase productivity and reduce cycle times
- Automatic transmission with lockup torque converter
- Selectable working modes
- Automatic/manual gearshift selectable modes
Reliability and Maintenance
- Robust main and track frame
- Long life powertrain design
- Mesabi radiator*
- Swing-out fan for easy access to radiator core
- Centralized greasing points
- Concentrated sampling points
- Maintenance Service Center for oils and coolants, with quick-fill couplings
- Battery and starter isolator
- Emergency engine stop switches
* Mesabi radiator is a registered trademark of L&M Radiator, Inc.
Tier 4 Final Emission Certified Engine
- Komatsu’s New U.S. EPA Tier 4 Final emission regulation-compliant engine
- Auto idle stop function
Specification
Coolant and Lubricant Capacity refill
| Fuel tank | 1200 ltr | 317.0 U.S. gal |
| Coolant | 145 ltr | 41.5 U.S. gal |
| Engine | 86 ltr | 21.1 U.S. gal |
| Torque converter, transmission, bevel gear, and steering system |
150 ltr | 39.6 U.S. gal |
| Final drive (Each side) | 65 ltr | 16.1 U.S. gal |
Engine
| Model | |
Komatsu SAA6D170E-7 |
| Type | |
4-cycle, water-cooled, direct injection |
| Aspiration | |
Turbocharged, air-to-air charge air cooler, cooled EGR |
| Number of cylinders | |
6 |
| Bore x stroke | 170 mm x 170 mm | 6.69" x 6.69" |
| Piston displacement | 23.15 ltr | 1,413 in³ |
| Governor | |
Mid-range, electronic |
| Horsepower: | |
|
| SAE J1995 - Gross | ||
| Forward |
474 kW | 636 HP |
| Reverse |
578 kW | 775 HP |
| ISO 9249 / SAE J1349* - Net | ||
| Forward | 455 kW | 609 HP |
| Reverse | 558 kW | 748 HP |
| Rated rpm |
1800 rpm |
|
| Fan drive type | |
Hydraulic |
| Lubrication system: | |
|
| Method | |
Gear pump, force lubrication |
| Filter | |
Full-flow |
| *Net horsepower at the maximum speed of radiator cooling fan: |
||
| Forward | 432 kW | 580 HP |
| Reverse | 536 kW | 719 HP |
U.S. EPA Tier 4 Final emission certified.
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.
Product Parameter
| Fuel tank | 1200 ltr | 317.0 U.S. gal |
| Coolant | 145 ltr | 41.5 U.S. gal |
| Engine | 86 ltr | 21.1 U.S. gal |
| Torque converter, transmission, bevel gear, and steering system |
150 ltr | 39.6 U.S. gal |
| Final drive (Each side) | 65 ltr | 16.1 U.S. gal |
| Model | |
Komatsu SAA6D170E-7 |
| Type | |
4-cycle, water-cooled, direct injection |
| Aspiration | |
Turbocharged, air-to-air charge air cooler, cooled EGR |
| Number of cylinders | |
6 |
| Bore x stroke | 170 mm x 170 mm | 6.69" x 6.69" |
| Piston displacement | 23.15 ltr | 1,413 in³ |
| Governor | |
Mid-range, electronic |
| Horsepower: | |
|
| SAE J1995 - Gross | ||
| Forward |
474 kW | 636 HP |
| Reverse |
578 kW | 775 HP |
| ISO 9249 / SAE J1349* - Net | ||
| Forward | 455 kW | 609 HP |
| Reverse | 558 kW | 748 HP |
| Rated rpm |
1800 rpm |
|
| Fan drive type | |
Hydraulic |
| Lubrication system: | |
|
| Method | |
Gear pump, force lubrication |
| Filter | |
Full-flow |
| *Net horsepower at the maximum speed of radiator cooling fan: |
||
| Forward | 432 kW | 580 HP |
| Reverse | 536 kW | 719 HP |
| Relief valve setting (for implement) | 29.8 MPa / 304 kg/cm² | 4,322 psi |
| Control valves: | ||
| 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: Double-acting, piston |
Number of cylinders: | Bore: |
| Blade lift | 2 | 140 mm / 5.5" |
| Blade Tilt (Single tilt) |
1 | 200 mm / 7.9" |
| Blade Tilt (Dual tilt) |
2 |
200 mm / 7.9" |
| Ripper lift | 2 | 200 mm / 7.9" |
| Ripper tilt | 2 | 180 mm / 7.1" |
| Hydraulic oil capacity (Refill): | ||
| Semi-U dozer or U dozer | 130 L |
34.3 U.S. gal |
| Ripper equipment (Additional volume): | ||
| Giant ripper | 45 L |
11.9 U.S. gal |
| Multi-shank ripper (variable) | 45 L | 11.9 U.S. gal |
| Tractor weight Including rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment. |
56340 kg | 124,210 lb |
| Operating weight Including strengthened dual tilt Semi-U dozer blade, giant ripper, 24" extreme service shoes, cab, ROPS (ISO 3471), operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank.Including Semi-U tilt dozer, giant ripper, cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank. |
73,410 kg | 161,840 lb |
| Ground pressure | 148 kPa / 1.51 kg/cm² | 21.5 psi |
| Minimum turning radius | 4.2 m | 13'9" |
| Gear | Forward | Reverse |
| 1st | 3.5 km/h 2.2 mph |
4.6 km/h 2.9 mph |
| 2nd | 6.8 km/h 4.2 mph |
8.9 km/h 5.5 mph |
| 3rd L | 8.0 km/h 5.0 mph |
9.7 km/h 6.0 mph |
| 3rd | 11.8 km/h 7.3 mph |
15.8 km/h 9.8 mph |
| Suspension | |
Oscillating equalizer bar with shoulder pad and pivot shaft |
| Track roller frame | |
Cylindrical, high-tensile-strength steel construction |
| Rollers and idlers | |
Lubricated track rollers |
| Komatsu Bogie (K-Bogie) undercarriage: | |
Lubricated track rollers are resiliently mounted to the track frame with a bogie suspension system whose oscillating motion is cushioned by rubber pads. |
| Extreme service track shoes: | |
Lubricated tracks. Unique seals prevent entry of foreign abrasives into pin to bushing clearances to provide extended service life. Track tension is easily adjusted with grease gun. |
| Number of shoes (Each side) | |
41 |
| Grouser height (Single grouser) | 93 mm | 3.7" |
| Shoe width (Standard) | 610 mm | 24" |
| Ground contact area | 48560 cm² | 7,527 in² |
| Ground pressure (Tractor) | 113 kPa / 1.16 kg/cm² | 16.4 psi |
| Number of track rollers | |
8 |
| Number of carrier rollers | |
2 |
| Extreme service shoes: | Ground contact area: | Ground** pressure: |
| 610 mm / 24'' Additional weight: 0 lb / 0 kg |
48560 cm² 7,527 in² |
148.3 kPa / 1.51 kgf/cm² 21.5 psi |
| 710 mm / 28'' Additional weight: 680 kg / 1,500 lb |
56520 cm² 8,760 in² |
128.6 kPa / 1.31 kgf/cm² 18.6 psi |
| 810 mm / 32'' Additional weight: 1360 kg / 3,000 lb |
64480 cm² 9,994 in² |
113.7 kPa / 1.16 kgf/cm² 16.5 psi |
