Categories ↠ Crawler Dozers ↠ Komatsu D31PX-21 II

Komatsu D31PX-21 II Crawler Dozer

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D31PX-21 II ➔

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

General Specifications

Dimensions

Ground Clearance	1 ft (0 m)
Height - Top of Cab	9 ft (3 m)
Length w/ Blade	13 ft (4 m)
Width Over Tracks	8 ft (2 m)

Engine

Aspiration	Turbocharged
Displacement	240 cu in (3,933 cu cm)
Engine Model	SAA4D102E-2
Net Power	75 hp (56 kw)
Number of Cylinders	4

Hydraulic System

Relief Valve Pressure

2990 psi

Operating Specifications

Cooling System Fluid Capacity	7 gal (27 l)
Engine Oil Capacity	3 gal (12 l)
Final Drives Fluid Capacity	1 gal (3 l)
Fuel Capacity	44 gal (165 l)
Hydraulic Fluid Capacity	12 gal (47 l)
Operating Weight	16,870 lbs (7,652 kg)

Standard Blade

Blade Angle (both directions)	25 degrees
Height	3 in (7 cm)
Width	11 ft (3 m)

Transmission

Max Speed - Forward	5 mph (9 kph)
Max Speed - Reverse	5 mph (9 kph)
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	dual-path hydrostatic transmission

Undercarriage

Ground Contact Area	4,061 cu in (66,548 cu cm)
Ground Pressure	4.2 psi
Number of Shoes per Side	40
Number of Track Rollers per Side	6
Standard Shoe Size	24 in (61 cm)
Track Gauge	6 ft (2 m)
Track Pitch	65 in (165 cm)

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