- Length W/ Blade: 22.41 ft / 6830 mm
- Width Over Tracks: 8.6 ft / 2620 mm
- Height To Top Of Cab: 11.09 ft / 3380 mm
- Length Of Track On Ground: 9.32 ft / 2840 mm
Published dimensions and weight
Komatsu D85A-21
The Komatsu D85A-21 is a crawler tractor of about 24.4 t, powered by a 228 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight53881 lb24440 kg
03Selected published values43
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Komatsu D85A-21 include published operating weight of 53881 lb / 24440 kg, published engine power of 228 hp / 170.1 kw, published hydraulic flow of 51.3 gal/min / 194 L/min. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length W/ Blade” field (22.41 ft / 6830 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tracks” field (8.6 ft / 2620 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (11.09 ft / 3380 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Length W/ Blade22.41 ft6830 mm
Width Over Tracks8.6 ft2620 mm
Height To Top Of Cab11.09 ft3380 mm
Length Of Track On Ground9.32 ft2840 mm
Ground Clearance1.37 ft415 mm
Length W/O Blade15.52 ft4730 mm
Undercarriage
Track Gauge6.57 ft2000 mm
Standard Shoe Size22.05 in560 mm
Number Of Shoes Per Side3939
Ground Pressure8.4 psi57.86 kPa
Number Of Carrier Rollers Per Side22
Ground Contact Area4930.56 in23.19 m2
Number Of Track Rollers Per Side77
Track Pitch8.51 in216 mm
Engine
Number Of Cylinders66
Engine Make22382238
Engine ModelS6D125ES6D125E
Gross Power228 hp170.1 kw
Power Measured @2000 rpm2000 rpm
Max Torque737.3 lb ft999.6 Nm
Displacement930.1 cu in15.3 L
Torque Measured @1400 rpm1400 rpm
AspirationTurbochargedTurbocharged
Operational
Operating Weight53881 lb24440 kg
Fuel Capacity126.9 gal480 L
Cooling System Fluid Capacity20.9 gal79 L
Engine Oil Capacity7.2 gal27 L
Hydraulic Fluid Capacity26.7 gal101 L
Powertrain Fluid Capacity23.8 gal90 L
Final Drives Fluid Capacity10.9 gal41 L
Operating Voltage24 V24 V
Transmission
Transmission TypeTFTF
Number Of Forward Gears33
Number Of Reverse Gears33
Max Speed - Forward3.8 mph11.8 km/h
Max Speed - Reverse4.9 mph14.3 km/h
Hydraulic System
Pump TypeGear -type pumpGear -type pump
Relief Valve Pressure2773.6 psi19123 kPa
Pump Flow Capacity51.3 gal/min194 L/min
Standard Blade
Width12.3 ft3725 mm
Height54.8 in1390 mm
Capacity6.9 yd35.2 m3
Cutting Depth21.3 in540 mm
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Manufacturer-published specifications.