- Length W/ Blade: 13.11 ft / 3995 mm
- Width Over Tracks: 7.42 ft / 2250 mm
- Height To Top Of Cab: 8.83 ft / 2700 mm
- Ground Clearance: 1.25 ft / 384 mm
Published dimensions and weight
Komatsu D31PX-21 KOMSTAT II
The Komatsu D31PX-21 KOMSTAT II is a crawler tractor of about 7.7 t; its SAA4D102E-2 engine is rated at 75 hp.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight16870 lb7650 kg
03Selected published values33
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Komatsu D31PX-21 KOMSTAT II include published operating weight of 16870 lb / 7650 kg, published engine power of 75 hp / 56 kw, the published “Length W/ Blade” field of 13.11 ft / 3995 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length W/ Blade” field (13.11 ft / 3995 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tracks” field (7.42 ft / 2250 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (8.83 ft / 2700 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/ Blade13.11 ft3995 mm
Width Over Tracks7.42 ft2250 mm
Height To Top Of Cab8.83 ft2700 mm
Ground Clearance1.25 ft384 mm
Undercarriage
Track Gauge5.42 ft1650 mm
Standard Shoe Size24 in600 mm
Track Pitch65 in1650 mm
Number Of Track Rollers Per Side66
Ground Pressure4.12 psi28 kPa
Number Of Shoes Per Side4040
Ground Contact Area4061 in22.62 m2
Engine
Number Of Cylinders44
Engine Make22382238
Engine ModelSAA4D102E-2SAA4D102E-2
Net Power75 hp56 kw
Displacement240 cu in3.9 L
AspirationTurbochargedTurbocharged
Operational
Operating Weight16870 lb7650 kg
Fuel Capacity43.6 gal165 L
Cooling System Fluid Capacity7.1 gal27 L
Engine Oil Capacity3.3 gal12.5 L
Hydraulic Fluid Capacity12.4 gal47 L
Final Drives Fluid Capacity0.9 gal3.5 L
Transmission
Transmission Typedual-path hydrostatic transmissiondual-path hydrostatic transmission
Number Of Forward Gears33
Number Of Reverse Gears33
Max Speed - Forward5.3 mph8.5 km/h
Max Speed - Reverse5.3 mph8.5 km/h
Hydraulic System
Relief Valve Pressure2990 psi20615.4 kPa
Standard Blade
Width10.5 ft3200 mm
Height2.9 in855 mm
Blade Angle (Both Directions)25 degrees25 degrees
Cutting Depth1.3 in380 mm
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Manufacturer-published specifications.