- Length With Bucket On Ground: 13.1 ft / 3990 mm
- Width To Outside Of Tracks: 7.39 ft / 2250 mm
- Height To Top Of Cab: 8.85 ft / 2695 mm
- Clearance At Full Height And Dump: 8.67 ft / 2640 mm
Published dimensions and weight
Komatsu D31Q-20
The Komatsu D31Q-20 pairs the S4D102E engine (69.8 hp) with an operating weight near 7.1 t.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight15697 lb7120 kg
03Selected published values21
Crawler loaders are commonly used to dig, load and carry material where tracked traction is useful. Published rows for Komatsu D31Q-20 include published bucket capacity of 1.1 yd3 / 0.8 m3, published breakout force of 15000 lb / 66.8 kN, published operating weight of 15697 lb / 7120 kg. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length With Bucket On Ground” field (13.1 ft / 3990 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width To Outside Of Tracks” field (7.39 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 (8.85 ft / 2695 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 With Bucket On Ground13.1 ft3990 mm
Width To Outside Of Tracks7.39 ft2250 mm
Height To Top Of Cab8.85 ft2695 mm
Clearance At Full Height And Dump8.67 ft2640 mm
Reach At Dump Height2.47 ft750 mm
Undercarriage
Track Gauge64.97 in1650 mm
Length Of Track On Ground6.17 ft1880 mm
Number Of Track Rollers Per Side55
Track Shoe Width23.63 in600 mm
Ground Pressure4.41 psi30.4 kPa
Engine
Engine Make22382238
Engine ModelS4D102ES4D102E
Net Power69.8 hp52 kw
Power Measured @2350 rpm2350 rpm
Displacement239.3 cu in4 L
Operational
Operating Weight15697 lb7120 kg
Fuel Capacity30.4 gal115 L
Static Tipping Load9766.5 lb4430 kg
Breakout Force - Std Bucket15000 lb66.8 kN
Bucket Capacity - Heaped1.1 yd30.8 m3
Max Speed4.1 mph6.5 km/h
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Manufacturer-published specifications.