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 D31PL-18Dozer	John Deere 450GDozer
Type	Crawler Dozer	Crawler Dozer
Horsepower	52.9 kW	54.4 kW
Operating Weight	7050.0 kg	7226.6 kg
Engine Manufacturer	Komatsu	John Deere
Engine Model	6 D95L-1	4045 T
Gross Power	52.9 kW	54.4 kW
Number of Cylinders	6	4
Displacement	4891.5 cc	4522.8 cc
Power Measured RPM	2350 RPM	2100 RPM
Transmission Type	Hydrostatic	Full power shift
Number of Forward Gears	3	4
Number of Reverse Gears	3	4
Cab Height	274.3 cm	274.3 cm
Width Over Track	295.7 cm	185.9 cm
Length Overall	390.1 cm	393.2 cm
Length without Blade	304.8 cm	—
Length of Track on Ground	219.5 cm	195.1 cm
Track Gauge	192.0 cm	—
Ground Clearance	39.6 cm	36.6 cm
No of Shoes Per Side	41	37
No of Track Rollers Per Side	6	5
Shoe Size	105.2 cm	40.6 cm
Weight (Operating)	7050.0 kg	7226.6 kg
Track Pitch	15.5 cm	144.8 cm
Pump Flow	—	64.4 LPM
Net Power	—	52.2 kW
Aspiration	—	Turbocharged
Max Torque	—	309.1 N-m
Torque Measured RPM	—	1300 RPM
Alternator Supplied Amp.	—	65 A
Alternator	—	65 A
Battery	—	12 V
Max Speed Forward	—	9.7 km/h
Max Speed Reverse	—	9.7 km/h
Ground Pressure	—	0.5 bar
Fuel Capacity	—	155.2 l
Engine Oil Capacity	—	8.7 l
Cooling System Capacity	—	17.0 l
Hydraulic Capacity	—	37.9 l
Final Drives Capacity	—	6.8 l
Pump type	—	Open center
Hydraulic Pump Flow	—	64.4 LPM
Relief Valve Pressure	—	189.6 bar
Ground Contact Area	—	39853.4 cm³
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