- Length W/ Blade: 13.7 ft / 4175 mm
- Width Over Tracks: 6.27 ft / 1910 mm
- Height To Top Of Cab: 9.06 ft / 2760 mm
- Length Of Track On Ground: 7.17 ft / 2185 mm
Published dimensions and weight
Komatsu D31PX-22
Weighing roughly 8.2 t and rated at 78 hp, the Komatsu D31PX-22 is a crawler tractor in its size class.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight18055.9 lb8190 kg
03Selected published values76
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Komatsu D31PX-22 include published operating weight of 18055.9 lb / 8190 kg, published engine power of 80 hp / 59.7 kw, published hydraulic flow of 26.2 gal/min / 99.2 L/min. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length W/ Blade” field (13.7 ft / 4175 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tracks” field (6.27 ft / 1910 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (9.06 ft / 2760 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/ Blade13.7 ft4175 mm
Width Over Tracks6.27 ft1910 mm
Height To Top Of Cab9.06 ft2760 mm
Length Of Track On Ground7.17 ft2185 mm
Ground Clearance1.04 ft315 mm
Undercarriage
Track Gauge4.96 ft1510 mm
Standard Shoe Size15.75 in400 mm
Number Of Track Rollers(Each Side)66
Ground Contact Area2713 in21.76 m2
Shoe Width (Standard)15.75 in400 mm
SuspensionRigid typeRigid type
Track RollerframeMonochoque,large SectionMonochoque,large Section
Type Of Shoes(Standard)Single grouserSingle grouser
Rollers And IdlersLubricated track rollersLubricated track rollers
Ground Pressure6.68 psi46.06 kPa
Grouser Height1.86 in47 mm
Length Of Track Ground86.03 in2185 mm
Number Of Shoes (Each Side)4040
Steering System
Minimum Turning Radius7.3 ft2.2 m
Engine
Hydraulic Fan At Maximum SpeedNet 53KW71HP@2200RPMNet 53KW71HP@2200RPM
Lubrication MethodGear pump ,Force LubricationGear pump ,Force Lubrication
FilterFull FlowFull Flow
EpaTier -3 Emission certifiedTier -3 Emission certified
Number Of Cylinders44
Piston Displacement199 cu in3.3 L
Engine Make22382238
Engine ModelSAA4D95LE-5*SAA4D95LE-5*
Engine Type4-Cycle,water-Cooled,Direct injection4-Cycle,water-Cooled,Direct injection
Gross Power80 hp59.7 kw
GovernorAll-speed ElectronicAll-speed Electronic
Net Power78 hp58.2 kw
Power Measured @2200 rpm2200 rpm
Displacement199 cu in3.3 L
AspirationTurbocharged, air-to-air aftercooledTurbocharged, air-to-air aftercooled
Bore3.8 in95 mm
Stroke4.6 in115 mm
Horse Power: Sae J199580.5 hp60 kw
Horse Power: Iso 9249 / Sae J134977.8 hp58 kw
Fan Drive TypeHydraulic (Reversible for cleaning)Hydraulic (Reversible for cleaning)
Capacities
Fuel Tank - Diesel51.6 gal195 L
Hydraulic Tank15.9 gal60 L
Final Drive1 gal3.5 L
Engine Oil3 gal11 L
Coolant4.8 gal18 L
Operational
Operating Weight18055.9 lb8190 kg
Fuel Capacity51.6 gal195 L
Cooling System Fluid Capacity4.8 gal18 L
Engine Oil Capacity3 gal11 L
Hydraulic Fluid Capacity15.9 gal60 L
Final Drives Fluid Capacity1 gal3.5 L
Operating Voltage24 V24 V
Alternator Supplied Amperage35 amps35 amps
Transmission
Transmission Typedual-path, hydrostaticdual-path, hydrostatic
Number Of Forward Gears33
Number Of Reverse Gears33
Max Speed - Forward5.3 mph8.6 km/h
Max Speed - Reverse5.3 mph8.6 km/h
Weights
Tractor Weight - Rops Canopy15234 lb6910 kg
Tractor Weight - Rops Cab16137.9 lb7320 kg
Operating Weight - Rops Canopy17923.6 lb8130 kg
Operating Weight - Rops Cab18827.5 lb8540 kg
Hydraulic System
Blade Lift(No.Of.Cylinders)22
Blade-Tilit(No.Of.Cylinders)11
Blade Angle(No.Of.Cylinders)22
Blade Lift(Bore)0.3 ft75 mm
Blade-Tilit(Bore)0.3 ft90 mm
Blade Angle(Bore)0.3 ft80 mm
Hydraulic Oil Capacity(Power Angle Tilt Dozer)15.9 gal60 L
Pump TypePiston-typePiston-type
Relief Valve Pressure3983 psi27461.8 kPa
Pump Flow Capacity26.2 gal/min99.2 L/min
Standard Blade
Width8.4 ft2550 mm
Height33.1 in840 mm
Capacity2.2 yd31.7 m3
Blade Angle (Both Directions)25 degrees25 degrees
Cutting Depth15.4 in390 mm
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Manufacturer-published specifications.