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.
Fuel tank | 1 200 L |
Coolant | 145 L |
Engine | 86 L |
Torque converter, transmission, bevel gear, and steering system |
150 L |
Final drive (Each side) | 65 L |
Fuel tank | 317.0 US gal |
Coolant | 41.5 US gal |
Engine | 21.1 US gal |
Torque converter, transmission, bevel gear, and steering system |
39.6 US gal |
Final drive (Each side) | 16.1 US 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 x 170 mm |
Piston displacement | 23.15 L |
Governor | Mid-range, electronic |
Horsepower: | |
SAE J1995 - Gross | |
Forward | 474 kW |
Reverse | 578 kW |
ISO 9249 / SAE J1349* - Net | |
Forward | 455 kW |
Reverse | 558 kW |
Rated rpm | 1 800 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 |
Reverse | 536 kW |
U.S. EPA Tier 4 Final emission certified.
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 | 6.69 x 6.69 in |
Piston displacement | 1,413 in³ |
Governor | Mid-range, electronic |
Horsepower: | |
SAE J1995 - Gross | |
Forward | 636 HP |
Reverse | 775 HP |
ISO 9249 / SAE J1349* - Net | |
Forward | 609 HP |
Reverse | 748 HP |
Rated rpm | 1,800 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 | 580 HP |
Reverse | 719 HP |
U.S. EPA Tier 4 Final emission certified.
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.
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.
Hydraulic control unit:
Closed-center load sensing system (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.
Hydraulic control unit:
All spool control valves externally mounted beside the hydraulic tank. Variable piston pump with capacity (Discharge flow) of 96.7 US gpm 366 L/min for implement at rated engine rpm.
Relief valve setting (for implement) | 29.8 MPa / 304 kg/cm² | |
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. |
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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 |
Blade Tilt (Single tilt) | 1 | 200 mm |
Blade Tilt (Dual tilt) | 2 | 200 mm |
Ripper lift | 2 | 200 mm |
Ripper tilt | 2 | 180 mm |
Hydraulic oil capacity (Refill): | ||
Semi-U dozer or U dozer | 130 L | |
Ripper equipment (Additional volume): | ||
Giant ripper | 45 L | |
Multi-shank ripper (variable) | 45 L |
Hydraulic control unit:
Closed-center load sensing system (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.
Hydraulic control unit:
All spool control valves externally mounted beside the hydraulic tank. Variable piston pump with capacity (Discharge flow) of 96.7 US gal/min 366 L/min for implement at rated engine rpm.
Relief valve setting (for implement) | 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 | 5.5 in |
Blade Tilt (Single tilt) | 1 | 7.9 in |
Blade Tilt (Dual tilt) | 2 | 7.9 in |
Ripper lift | 2 | 7.9 in |
Ripper tilt | 2 | 7.1 in |
Hydraulic oil capacity (Refill): | ||
Semi-U dozer or U dozer | 34.3 US gal | |
Ripper equipment (Additional volume): | ||
Giant ripper | 11.9 US gal | |
Multi-shank ripper (variable) | 11.9 US gal |
Tractor weight Including rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment. |
56 340 kg |
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 |
Ground pressure | 148 kPa / 1.51 kg/cm² |
Tractor weight Including rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment. |
124,210 lbs. |
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. |
161,840 lbs. |
Ground pressure | 21.5 psi |
Palm Command Control System (PCCS), joystick controlled, wet multiple-disc 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.
Minimum turning radius | 4.2 m |
Palm Command Control System (PCCS), joystick controlled, wet multiple-disc 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.
Minimum turning radius | 13 ft. 9 in |
Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 1-phase torque converter with lockup clutch and a planetary gear, multiple-disc clutch transmission which is hydraulically actuated and force-lubricated for optimum heat dissipation. Gearshift lock lever and neutral safety switch prevent accidental starts.
Gear | Forward | Reverse |
1st | 3.5 kph | 4.6 kph |
2nd | 6.8 kph | 8.9 kph |
3rd L | 8.0 kph | 9.7 kph |
3rd | 11.8 kph | 15.8 kph |
Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 1-phase torque converter with lockup clutch and a planetary gear, multiple-disc clutch transmission which is hydraulically actuated and force-lubricated for optimum heat dissipation. Gearshift lock lever and neutral safety switch prevent accidental starts.
Gear | Forward | Reverse |
1st | 2.2 mph | 2.9 mph |
2nd | 4.2 mph | 5.5 mph |
3rd L | 5.0 mph | 6.0 mph |
3rd | 7.3 mph | 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. |
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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. |
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Number of shoes (Each side) | 41 | |
Grouser height (Single grouser) | 93 mm | |
Shoe width (Standard) | 610 mm | |
Ground contact area | 48 560 cm² | |
Ground pressure (Tractor) | 113 kPa / 1.16 kg/cm² | |
Number of track rollers | 8 | |
Number of carrier rollers | 2 | |
Extreme service shoes: | Ground contact area: | Ground** pressure: |
610 mm Additional weight: 0 kg |
48 560 cm² | 148.3 kPa / 1.51 kgf/cm² |
710 mm Additional weight: 680 kg |
56 520 cm² | 128.6 kPa / 1.31 kgf/cm² |
810 mm Additional weight: 1 360 kg |
64 480 cm² | 113.7 kPa / 1.16 kgf/cm² |
** Ground pressure based on tractor, strengthened dual tilt Semi-U dozer blade, giant ripper, cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank.
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) | 3.7 in | |
Shoe width (Standard) | 24 in | |
Ground contact area | 7,527 in² | |
Ground pressure (Tractor) | 16.4 psi | |
Number of track rollers | 8 | |
Number of carrier rollers | 2 | |
Extreme service shoes: | Ground contact area: | Ground** pressure: |
24 in Additional weight: 0 lbs. |
7,527 in² | 21.5 psi |
28 in Additional weight: 1,500 lbs. |
8,760 in² | 18.6 psi |
32 in Additional weight: 3,000 lbs. |
9,994 in² | 16.5 psi |
** Ground pressure based on tractor, strengthened dual tilt Semi-U dozer blade, giant ripper, cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank.
* Meets ISO 3471 standards
** Compartment floor to ceiling
* Meets ISO 3471 standards
** Compartment floor to ceiling