Komatsu D85A-21 Dozer


Dimensions

Length W/ Blade 22.41 ft in (6830 mm)
Width Over Tracks 8.6 ft in (2620 mm)
Height To Top Of Cab 11.09 ft in (3380 mm)
Length Of Track On Ground 9.32 ft in (2840 mm)
Ground Clearance 1.37 ft in (415 mm)
Length W/O Blade 15.52 ft in (4730 mm)

Undercarriage

Track Gauge 6.57 ft in (2000 mm)
Standard Shoe Size 22.05 in (560 mm)
Number Of Shoes Per Side 39
Ground Pressure 8.4 psi (57.86 kPa)
Number Of Carrier Rollers Per Side 2
Ground Contact Area 4930.56 in2 (3.19 m2)
Number Of Track Rollers Per Side 7
Track Pitch 8.51 in (216 mm)

Engine Details

Number Of Cylinders 6
Engine Make Komatsu
Engine Model S6D125E
Gross Power 228 hp (170.1 kw)
Power Measured @ 2000 rpm
Max Torque 737.3 lb ft (999.6 Nm)
Displacement 930.1 cu in (15.3 L)
Torque Measured @ 1400 rpm
Aspiration Turbocharged

Operational Specs

Operating Weight 53881 lb (24440 kg)
Fuel Tank Capacity 126.9 gal (480 L)
Cooling System Fluid Capacity 20.9 gal (79 L)
Engine Oil Capacity 7.2 gal (27 L)
Hydraulic Fluid Capacity 26.7 gal (101 L)
Powertrain Fluid Capacity 23.8 gal (90 L)
Final Drives Fluid Capacity 10.9 gal (41 L)
Operating Voltage 24 V

Transmission

Transmission Type TF
Number Of Forward Gears 3
Number Of Reverse Gears 3
Max Speed – Forward 3.8 mph (11.8 km/h)
Max Speed – Reverse 4.9 mph (14.3 km/h)

Hydraulic System

Pump Type Gear -type pump
Relief Valve Pressure 2773.6 psi (19123 kPa)
Pump Flow Capacity 51.3 gal/min (194 L/min)

Standard Blade

Width 12.3 ft in (3725 mm)
Height 54.8 in (1390 mm)
Capacity 6.9 yd3 (5.2 m3)
Cutting Depth 21.3 in (540 mm)
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