Contents
Dimensions
| Length w/ U Blade | 288.6 in (7330 mm) |
| Length w/o Blade | 220.9 in (5610 mm) |
| Width Over Tracks | 118.9 in (3020 mm) |
| Height to Top of Cab / Canopy | 141 in (3577 mm) |
| Height to Top of Exhaust Pipe | 158.9 in (4035 mm) |
| Length Of Track On Ground | 132.3 in (3360 mm) |
| Ground Clearance | 22.6 in (575 mm) |
Dozer Blades
| Komatsu D355A-3 | Angle Blade | U Blade |
|---|---|---|
| Width | 205.9 in (5230 mm) | 184.3 in (4681 mm) |
| Height | 51.6 in (1311 mm) | 73.8 in (1875 mm) |
| Blade Weight | 16250 lb (7371 kg) | 19330 lb (8768 kg) |
| Digging Angle | 55° | 52° |
| Blade Angle | 25° | |
| Capacity | 11.8 yd3 (9.0 m3) | 21.6 yd3 (16.5 m3) |
| Cutting Depth | 29.9 in (760 mm) | 27.6 in (700 mm) |
| Max Lift Above Ground | 64.2 in (1631 mm) | 60.6 in (1539 mm) |
Undercarriage
| Track Gauge | 89 in (2260 mm) |
| Shoe Size (Standard) | 24 in (610 mm) |
| Shoe Size (Optional) | 27 in (686 mm) |
| Number Of Shoes Per Side | 39 |
| Number Of Track Rollers Per Side | 7 |
| Number Of Carrier Rollers Per Side | 2 |
| Gradeability | 30° |
| Ground Contact Area | 6360 in2 (41053 cm2) |
| Ground Pressure (24″ Shoes) | 13.28 psi (91.56 kPa) |
| Ground Pressure (27″ Shoes) | 11.95 psi (82.39 kPa) |
Engine Details
| Number Of Cylinders | 6 |
| Engine Make | Komatsu |
| Engine Model | Komatsu SA6D155-4A |
| Displacement | 1175 cu in (19.26 L) |
| Bore | 6.10 in (155 mm) |
| Stroke | 6.69 in (170 mm) |
| Gross Horsepower | 410 hp (305.8 kw) |
| Power Measured @ | 2000 rpm |
| Peak Torque | 1273 lb ft (1726 Nm) |
| Torque Measured @ | 1400 rpm |
| Governor | Mechanical, all-speed control |
| Lubrication System | Gear pump, forced lubrication |
| Oil Filter | Full-flow and by-pass type |
| Air Cleaner | Dry type with pre-cleaner |
| Cooling System | Forced circulation by centrifugal water pump |
| Aspiration | Turbocharged and aftercooled |
| Fuel Consumption | 0.39 lb (175 g) / hp h |
Operational Specs
| Operating Weight | 103730 lb (47051 kg) |
| Tractor Weight | 84490 lb (38323 kg) |
| Operating Voltage | 24 V |
| Alternator | 35 amps |
| Battery | 2x 12 V, 200 Ah |
| Starter | 24V, 14.8 hp (11 kw) |
| Steering Clutch | Wet, multiple disc, hydraulically actuated, hand-operated |
| Steering Brake | Wet, contracting band, foot-operated interconnected with steering clutch with hydraulic booster |
| Final Drive | Spur gear, single reduction and planetary gear, single reduction; splash lubrication |
Transmission
| Model | Komatsu TORQFLOW |
| Torque Converter | 3-element, 1-stage, 1-phase |
| Transmission Type | Planetary gear and multiple disc clutch hydraulically actuated, forced lubrication |
| Bevel Gear | Spiral bevel gear |
| Number of Gears | 4F / 4R |
| Max Forward Speed | 7.9 mph (12.7 km/h) |
| Max Reverse Speed | 7.8 mph (12.6 km/h) |
Hydraulic System
| Pump Type | Gear hydraulic pump |
| Max Pump Flow | 104 gal/min (394 L/min) |
| Max Oil Pressure | 2000 psi (13790 kPa) |
| Control Valve Type | Spool |
| Control Valve Position | Lift: raise, hold, lower, float / Tilt: left, hold, right |
| Hydraulic Filter | Full-flow type |
| Hydraulic Cylinder Type | Double-action, piston |
| Lift Cylinder | 2x 6.3 in (160 mm) |
| Tilt Cylinder | 1x 9.8 in (250 mm) |
Service Refill Capacities
| Fuel Tank Capacity | 198 gal (750 L) |
| Engine Oil Capacity | 19 gal (71 L) |
| Cooling System Capacity | 46 gal (175 L) |
| Hydraulic Oil Tank Capacity | 74 gal (280 L) |
| Transmission Oil Capacity (Torque converter, bevel gear, steering case) | 61 gal (230 L) |
| Final Drive Case Capacity (each) | 18 gal (68 L) |
| Recoil Spring Case Capacity (each) | 11 gal (40 L) |
