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Komatsu D31P-20 Crawler Dozer

The Komatsu D31P-20 Crawler Dozer is a powerful and reliable machine designed for a wide range of construction and excavation tasks. With a turbocharged engine boasting 70 horsepower and a gear type hydraulic system with a relief valve pressure of 2494.7 psi, this dozer is equipped to handle tough jobs with ease. Its operating weight of 13657.7 lbs and impressive fuel capacity of 30.4 gallons ensure maximum efficiency and productivity on the job site. Additionally, the D31P-20 features a hydroshift transmission with three forward and reverse gears, providing versatility and control for operators.


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General Specifications

Engine

AspirationTurbocharged
Displacement238 cu in (3,900 cu cm)
Engine ModelS4D102E
Net Power70 hp (52 kw)
Power Measured @2350 rpm

Hydraulic System

Pump typegear type
Relief Valve Pressure2494.7 psi

Operating Specifications

Cooling System Fluid Capacity6 gal (22 l)
Engine Oil Capacity4 gal (14 l)
Final Drives Fluid Capacity3 gal (10 l)
Fuel Capacity30 gal (115 l)
Operating Weight13,658 lbs (6,195 kg)

Transmission

Max Speed - Forward4 mph (7 kph)
Max Speed - Reverse5 mph (7 kph)
Number of Forward Gears3
Number of Reverse Gears3
Transmission TypeHydroshift

Undercarriage

Ground Contact Area4,064 cu in (66,600 cu cm)
Ground Pressure3.3 psi
Number of Shoes per Side41
Number of Track Rollers per Side6
Standard Shoe Size24 in (60 cm)
Track Gauge5 ft (1 m)