- Track Gauge: 4.76 ft / 1450 mm
- Standard Shoe Size: 13 in / 330 mm
- Ground Contact Area: 1923.56 in2 / 1.25 m2
- Ground Pressure: 5.95 psi / 41 kPa
Published dimensions and weight
Komatsu D31E-20
The Komatsu D31E-20 is a crawler tractor of about 6.3 t, powered by a 70 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight13867.1 lb6290 kg
03Selected published values26
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Komatsu D31E-20 include published operating weight of 13867.1 lb / 6290 kg, published engine power of 70 hp / 52.2 kw, the published “Track Gauge” field of 4.76 ft / 1450 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Track Gauge” field (4.76 ft / 1450 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Standard Shoe Size” field (13 in / 330 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Ground Contact Area” field (1923.56 in2 / 1.25 m2) 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.
Undercarriage
Track Gauge4.76 ft1450 mm
Standard Shoe Size13 in330 mm
Ground Contact Area1923.56 in21.25 m2
Ground Pressure5.95 psi41 kPa
Number Of Shoes Per Side3737
Number Of Track Rollers Per Side55
Engine
Number Of Cylinders44
Engine Make22382238
Engine ModelS4D102ES4D102E
Net Power70 hp52.2 kw
Power Measured @2350 rpm2350 rpm
Displacement239.3 cu in4 L
AspirationTurbochargedTurbocharged
Operational
Operating Weight13867.1 lb6290 kg
Fuel Capacity30.4 gal115 L
Cooling System Fluid Capacity5.9 gal22 L
Engine Oil Capacity3.7 gal14 L
Powertrain Fluid Capacity3.5 gal13 L
Final Drives Fluid Capacity2.6 gal9.5 L
Transmission
Transmission TypeHydroshiftHydroshift
Number Of Forward Gears33
Number Of Reverse Gears33
Max Speed - Forward4.1 mph6.5 km/h
Max Speed - Reverse4.5 mph7.1 km/h
Hydraulic System
Pump Typegear typegear type
Relief Valve Pressure2494.7 psi17200 kPa
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Manufacturer-published specifications.