Categories ↠ Crawler Dozers ↠ Komatsu D51PX-22

Komatsu D51PX-22 Crawler Dozer

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D51PX-22 ➔

Komatsu D51PX-22 crawler dozer is a mid-size tracked bulldozer designed for grading, dozing, and site preparation in construction, roadbuilding, and utility work. The D51PX-22 features a wide-track undercarriage for improved flotation and stability on soft or uneven ground. It is commonly equipped with a hydrostatic transmission, power angle tilt blade, and a fuel-efficient Komatsu diesel engine. The machine is used for earthmoving, finish grading, land clearing, and general material handling. The D51PX-22 is part of Komatsu's crawler dozer lineup and is recognized for balanced performance, operator visibility, and versatility across demanding jobsite conditions.

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Dimensions

Ground Clearance	1.30 ft (0.40 m)
Height - Top of Cab	9.90 ft (3.02 m)
Length of Track on Ground	9.00 ft (2.74 m)
Length w/ Blade	15.80 ft (4.82 m)
Width Over Tracks	8.50 ft (2.59 m)

Engine

Aspiration	turbocharged air-to-air aftercooled
Displacement	408.00 cu in (6,685.94 cu cm)
Engine Model	SAA6D107E-1
Gross Power	133.00 hp (99.18 kw)
Make	Komatsu
Net Power	130.00 hp (96.94 kw)
Number of Cylinders	6
Power Measured @	2200 rpm

Hydraulic System

Pump Flow Capacity	26.20 gpm (99.17 lpm)
Pump type	piston type hydraulic pump
Relief Valve Pressure	3983 psi

Operating Specifications

Alternator Supplied Amperage	60 amps
Cooling System Fluid Capacity	9.30 gal (35.20 l)
Engine Oil Capacity	5.30 gal (20.06 l)
Final Drives Fluid Capacity	1.10 gal (4.16 l)
Fuel Capacity	71.30 gal (269.87 l)
Hydraulic Fluid Capacity	16.60 gal (62.83 l)
Operating Voltage	24 volts
Operating Weight	28,881.00 lbs (13,100.22 kg)

Standard Blade

Blade Angle (both directions)	28.5 degrees
Capacity	3.80 cu yd (2.91 cu m)
Height	43.80 in (111.25 cm)
Width	11.00 ft (3.35 m)

Transmission

Max Speed - Forward	5.60 mph (9.01 kph)
Max Speed - Reverse	5.60 mph (9.01 kph)
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	Dual-path hydrostatic transmission

Undercarriage

Ground Contact Area	6,042.00 cu in (99,010.86 cu cm)
Ground Pressure	4.8 psi
Number of Shoes per Side	44
Number of Track Rollers per Side	7
Standard Shoe Size	28.00 in (71.12 cm)
Track Gauge	6.20 ft (1.89 m)

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