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Komatsu D31PX-21 II Crawler Dozer

The Komatsu D31PX-21 II Crawler Dozer is a powerful and reliable piece of machinery, boasting a turbocharged engine model SAA4D102E-2 with a net power of 75 hp. With a variety of operating specifications such as a 43.6-gallon fuel capacity and a hydraulic fluid capacity of 12.4 gallons, this dozer is equipped for efficiency and performance. The machine's dimensions, at 7.5 feet wide and 13.2 feet long with the blade, make it versatile for various job sites. Additionally, its undercarriage features 40 shoes per side and a ground pressure of 4.2 psi, ensuring stability and traction on challenging terrain.


See all Komatsu D31PX-21 IIs for sale

Dimensions

Ground Clearance1.30 ft (0.40 m)
Height - Top of Cab8.90 ft (2.71 m)
Length w/ Blade13.20 ft (4.02 m)
Width Over Tracks7.50 ft (2.29 m)

Engine

AspirationTurbocharged
Displacement240.00 cu in (3,932.90 cu cm)
Engine ModelSAA4D102E-2
Net Power75.00 hp (55.93 kw)
Number of Cylinders4

Hydraulic System

Relief Valve Pressure2990 psi

Operating Specifications

Cooling System Fluid Capacity7.10 gal (26.87 l)
Engine Oil Capacity3.30 gal (12.49 l)
Final Drives Fluid Capacity0.90 gal (3.41 l)
Fuel Capacity43.60 gal (165.03 l)
Hydraulic Fluid Capacity12.40 gal (46.93 l)
Operating Weight16,870.00 lbs (7,652.11 kg)

Standard Blade

Blade Angle (both directions)25 degrees
Height2.90 in (7.37 cm)
Width10.50 ft (3.20 m)

Transmission

Max Speed - Forward5.30 mph (8.53 kph)
Max Speed - Reverse5.30 mph (8.53 kph)
Number of Forward Gears3
Number of Reverse Gears3
Transmission Typedual-path hydrostatic transmission

Undercarriage

Ground Contact Area4,061.00 cu in (66,548.01 cu cm)
Ground Pressure4.2 psi
Number of Shoes per Side40
Number of Track Rollers per Side6
Standard Shoe Size24.00 in (60.96 cm)
Track Gauge5.50 ft (1.68 m)
Track Pitch65.00 in (165.10 cm)
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39.96118 \\ -82.99879 \\ Columbus \\ OH \\ US \\ 43215