SPECS / COMPARISON

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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

Feature	Komatsu D51PX-22Dozer	Komatsu D53A-18ADozer
Type	Crawler Dozer	Crawler Dozer
Horsepower	99.2 kW	96.9 kW
Operating Weight	13100.2 kg	14000.0 kg
Pump Flow	99.2 LPM	—
Engine Manufacturer	Komatsu	Komatsu
Engine Model	SAA6D107E-1	6 D125-1
Gross Power	99.2 kW	96.9 kW
Net Power	96.9 kW	—
Aspiration	Turbocharged with aftercooled	—
Number of Cylinders	6	6
Displacement	6685.9 cc	11041.6 cc
Power Measured RPM	2200 RPM	1900 RPM
Alternator Supplied Amp.	60 A	—
Alternator	60 A	—
Battery	24 V	—
Transmission Type	Dual Power Shift	Torqflow
Number of Forward Gears	3	3
Number of Reverse Gears	3	3
Max Speed Forward	9.0 km/h	—
Max Speed Reverse	9.0 km/h	—
Ground Pressure	0.3 bar	—
Fuel Capacity	269.9 l	—
Engine Oil Capacity	20.1 l	—
Cooling System Capacity	35.2 l	—
Hydraulic Capacity	62.8 l	—
Final Drives Capacity	4.2 l	—
Pump type	piston type hydraulic pump	—
Hydraulic Pump Flow	99.2 LPM	—
Relief Valve Pressure	274.6 bar	—
Cab Height	301.8 cm	292.6 cm
Width Over Track	259.1 cm	243.8 cm
Length Overall	481.6 cm	487.7 cm
Length of Track on Ground	274.3 cm	246.9 cm
Track Gauge	189.0 cm	195.1 cm
Ground Clearance	39.6 cm	33.5 cm
Ground Contact Area	99010.9 cm³	—
No of Shoes Per Side	44	41
No of Track Rollers Per Side	7	6
Shoe Size	71.1 cm	46.2 cm
Weight (Operating)	13100.2 kg	14000.0 kg
Length without Blade	—	381.0 cm
No of Carrier Rollers Per Side	—	2
Track Pitch	—	17.5 cm
Source	heavyequipments.net archive (imported 2026-10)	heavyequipments.net archive (imported 2026-10)

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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051