- Length With Bucket On Ground: 13.42 ft / 4090 mm
- Width To Outside Of Tracks: 5.88 ft / 1790 mm
- Height To Top Of Cab: 8.7 ft / 2650 mm
- Clearance At Full Height And Dump: 8.34 ft / 2540 mm
Published dimensions and weight
Komatsu D31S-20
The Komatsu D31S-20 is a 6.8 t-class crawler loader with a 69.8 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight14947.4 lb6780 kg
03Selected published values21
Crawler loaders are commonly used to dig, load and carry material where tracked traction is useful. Published rows for Komatsu D31S-20 include published bucket capacity of 1.1 yd3 / 0.8 m3, published breakout force of 14100 lb / 62.8 kN, published operating weight of 14947.4 lb / 6780 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 (13.42 ft / 4090 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width To Outside Of Tracks” field (5.88 ft / 1790 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (8.7 ft / 2650 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 Ground13.42 ft4090 mm
Width To Outside Of Tracks5.88 ft1790 mm
Height To Top Of Cab8.7 ft2650 mm
Clearance At Full Height And Dump8.34 ft2540 mm
Reach At Dump Height2.66 ft810 mm
Undercarriage
Track Gauge57.09 in1450 mm
Length Of Track On Ground6.17 ft1880 mm
Number Of Track Rollers Per Side55
Track Shoe Width13 in330 mm
Ground Pressure7.68 psi52.9 kPa
Engine
Engine Make22382238
Engine ModelS4D102ES4D102E
Net Power69.8 hp52 kw
Power Measured @2350 rpm2350 rpm
Displacement239.3 cu in4 L
Operational
Operating Weight14947.4 lb6780 kg
Fuel Capacity30.4 gal115 L
Static Tipping Load9391.7 lb4260 kg
Breakout Force - Std Bucket14100 lb62.8 kN
Bucket Capacity - Heaped1.1 yd30.8 m3
Max Speed4.1 mph6.5 km/h
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Manufacturer-published specifications.