- Length W/ Blade: 13.18 ft / 4015 mm
- Width Over Tracks: 6.08 ft / 1850 mm
- Height To Top Of Cab: 8.83 ft / 2700 mm
- Length Of Track On Ground: 6.58 ft / 2010 mm
Published dimensions and weight
Komatsu D31EX-21 KOMSTAT II
The Komatsu D31EX-21 KOMSTAT II is a 7.1 t-class crawler tractor with a 75 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight15720 lb7130 kg
03Selected published values31
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Komatsu D31EX-21 KOMSTAT II include published operating weight of 15720 lb / 7130 kg, published engine power of 75 hp / 56 kw, the published “Length W/ Blade” field of 13.18 ft / 4015 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length W/ Blade” field (13.18 ft / 4015 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tracks” field (6.08 ft / 1850 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/ Blade13.18 ft4015 mm
Width Over Tracks6.08 ft1850 mm
Height To Top Of Cab8.83 ft2700 mm
Length Of Track On Ground6.58 ft2010 mm
Ground Clearance1.25 ft384 mm
Undercarriage
Track Gauge4.76 ft1450 mm
Standard Shoe Size16 in400 mm
Number Of Track Rollers Per Side55
Ground Pressure6.26 psi43 kPa
Number Of Shoes Per Side3838
Ground Contact Area2496 in21.61 m2
Track Pitch57 in1450 mm
Engine
Engine Make22382238
Engine ModelSAA4D102E-2SAA4D102E-2
Net Power75 hp56 kw
Displacement240 cu in3.9 L
Aspirationturbocharged and air-to-air aftercooledturbocharged and air-to-air aftercooled
Operational
Operating Weight15720 lb7130 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
Blade Angle (Both Directions)25 degrees25 degrees
Cutting Depth1.3 in385 mm
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Manufacturer-published specifications.