The Komatsu D575A-3 SD Super Dozer is a legendary powerhouse, recognized as one of the largest and most capable production bulldozers in the world. Engineered for extreme earthmoving tasks, this machine is designed to deliver unparalleled performance in mining, heavy construction, and large-scale earthmoving operations. Equipped with a robust Komatsu engine and an advanced hydraulic system, the D575A-3 SD provides exceptional pushing power, efficiency, and durability.
Dimensions
| A. Track Gauge | 10’7″ (3220 mm) |
| B. Overall Width over Blade | 24’3″ (7400 mm) |
| C. Height to Top of Exhaust | 14’9″ (4495 mm) |
| D. Height of Dozer Blade | 11’11” (3640 mm) |
| E. Length of Track on Ground | 18’0″ (5485 mm) |
| F. Overall Length w/ Blade | 38’5″ (11720 mm) |
| G. Sprocket Center to Ripper | 7’7″ (2305 mm) |
| H. Height to Top of Cab | 16’0″ (4880 mm) |
| I. Max Lift above Ground | 5’9″ (1750 mm) |
| J. Max Drop below Ground | 2’8″ (805 mm) |
| K. Blade Tilt Adjustment | 3’3″ (1000 mm) |
| Ground Clearance | 2’5″ (745 mm) |
Weight
| Operating Weight | 336420 lb (152600 kg) |
| Ground Pressure | 23.0 psi (159 kPa) |
| Base Tractor Weight | 252600 lb (114580 kg) |
| Super Dozer Blade | 71500 lb (32430 kg) |
| Counterweight | 11900 lb (5400 kg) |
| ROPS/FOPS | 4340 lb (1970 kg) |
Undercarriage
| Grouser Height | 4.1″ (105 mm) |
| Track Gauge | 10’7″ (3220 mm) |
| Number Of Shoes Per Side | 49 |
| Number Of Track Rollers Per Side | 8 |
| Number Of Carrier Rollers Per Side | 2 |
| Suspension | Oscillating equalizer bar and pivot shaft |
| Track Roller Frame | Box-section, high-tensile-strength steel construction |
| Rollers and Idlers | Lubricated track rollers |
Track Shoes
| Type | Shoe Size | Ground Contact Area | Ground Pressure |
|---|---|---|---|
| Standard Shoes | 34″ (860 mm) | 14623 in2 (94342 cm2) | 23.0 psi (159 kPa) |
| Extreme Service Shoes | 36″ (910 mm) | 15473 in2 (99827 cm2) | 21.8 psi (150 kPa) |
D575A-3 Super Dozer Blade
| Blade Capacity | 90 yd3 (69 m3) |
| Blade Width | 24’3″ (7400 mm) |
| Blade Height | 10’8″ (3250 mm) |
| Max Lift above Ground | 5’9″ (1750 mm) |
| Max Drop below Ground | 2’8″ (805 mm) |
| Max Tilt Adjustment | 3’3″ (1000 mm) |
| Blade Weight | 71500 lb (32430 kg) |
Engine Details
| Number Of Cylinders | 12 |
| Engine Make | Komatsu |
| Engine Model | Komatsu SA12V170E |
| Displacement | 2825 cu in (46.3 L) |
| Bore | 6.69 in (170 mm) |
| Stroke | 6.69 in (170 mm) |
| Net Power | 1150 hp (858 kw) |
| Power Measured @ | 1800 rpm |
| Aspiration | Turbocharged and aftercooled |
| Engine Lubrication | Gear pump, force lubrication with Full-flow and bypass combined filter |
| Governor | All-speed, electrical |
| Engine Type | 4-stroke, water-cooled, direct injection |
Operational Specs
| Operating Weight | 336420 lb (152600 kg) |
| Super Dozer Blade Capacity | 90 yd3 (69 m3) |
| Operating Voltage | 24 V |
| Alternator | 75 amps |
| Battery | 4x 12 V, 200 Ah |
| Starting Motors | 24 V, 2x 11 kW |
Transmission
| Transmission Type | Komatsu TORQFLOW transmission |
| Number Of Gears | 3F / 3R |
| Torque Converter | Torque converter with lock-up clutch and a planetary gear |
| Clutch | Multiple-disc clutch transmission which is actuated by ECMV (Electronic Control Modulation Valve) |
| Max Forward Speed | 7.5 mph (11.6 km/h) |
Speeds
| Gear | Forward | Reverse |
|---|---|---|
| 1st | 2.3 mph (3.7 km/h) | 2.7 mph (4.3 km/h) |
| 2nd | 4.1 mph (6.6 km/h) | 4.8 mph (7.7 km/h) |
| 3rd | 7.5 mph (11.6 km/h) | 8.3 mph (13.3 km/h) |
Hydraulic System
| Type | Closed-center load sensing system (CLSS) |
| Pump Type | Multi-chamber gear hydraulic pump |
| Pump Flow Capacity | 332 gpm (1258 L/min) |
| Relief Valve Pressure | 2990 psi (20600 kPa) |
| Control Valves | Two control valves (Super Dozer Blade) |
| Hydraulic Cylinders | Double-acting, piston type |
| Blade Lift | 2x cylinders – 8.9″ (225 mm) |
| Blade Tilt and Pitch | 2x cylinders – 11.81″ (300 mm) |
Service Refill Capacities
| Fuel Tank Capacity | 555 gal (2100 L) |
| Engine Oil Capacity | 52 gal (195 L) |
| Cooling System Capacity | 79 gal (298 L) |
| Transmission Oil Capacity | 91 gal (345 L) |
| Final Drives (each side) | 42 gal (160 L) |
| Hydraulic System Capacity | 79 gal (300 L) |
Operator Environment
The D575A-3 SD is a true industry leader, setting the standard for heavy-duty dozing. Its ergonomic cab ensures operator comfort and visibility, while its rugged build guarantees reliability in the harshest environments.
| Steel Cab w/ FOPS | Length 5’7″ (1690 mm), Width 5’1″ (1550 mm), Height, floor to ceiling 5’1″ (1560 mm). Meets ISO 3449 FOPS standards |
| ROPS | Meets ISO 3471, SAE J1040, and J395 standards |
| ROPS Roof Length | 3’10” (1160 mm) |
| ROPS Roof Width | 3’3″ (1000 mm) |
| GNSS | ProVision High Precision GPS |
| HVAC | Air conditioner with heater and defroster |
| Operator’s Seat | Suspension seat with seat belt |
| Travel Joystick | Ergonomically designed palm command travel joystick provides the operator with a relaxed posture and superb fine control without operator fatigue. Transmission gear shifting is simply carried out with thumb |
| Blade Joystick | Blade control joystick uses the PPC (Proportional Pressure Control) valve and a palm command joystick the same as a travel control joystick |
| Main Monitor | Monitor with Self-diagnostic Function. Abnormalities on Electronics System Display with Code |
| Working Lights | 8x front and four rear lights |
Komatsu D575A-3 MSRP
The Komatsu D575A-3 dozer, renowned for its size and capability, is a specialized piece of equipment with limited availability. As such, specific pricing details, including the original Manufacturer’s Suggested Retail Price (MSRP) and current market prices, are not readily accessible. In fact, between 2001 (the launch of the updated D575A-3 Super Dozer) and 2007, only 11 machines were ordered and built. For the most accurate and up-to-date pricing information, it’s advisable to contact Komatsu directly or consult authorized Komatsu dealers.
However, as of recent listings, used models of the Komatsu D575A-3 SD have been available for approximately $875,000.
