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 D31PLL-17Dozer	John Deere 450DDozer
Type	Crawler Dozer	Crawler Dozer
Horsepower	50.7 kW	50.0 kW
Operating Weight	7550.0 kg	6531.7 kg
Engine Manufacturer	Komatsu	John Deere
Engine Model	4 D105-5	300 Series
Gross Power	50.7 kW	—
Number of Cylinders	4	4
Displacement	4331.1 cc	3588.8 cc
Power Measured RPM	2350 RPM	2500 RPM
Transmission Type	Hydrostatic	Hydrostatic
Number of Forward Gears	3	4
Number of Reverse Gears	3	4
Cab Height	271.3 cm	—
Width Over Track	295.7 cm	228.6 cm
Length Overall	426.7 cm	—
Length of Track on Ground	259.1 cm	—
Track Gauge	192.0 cm	—
Ground Clearance	39.6 cm	—
No of Carrier Rollers Per Side	2	—
No of Shoes Per Side	46	—
No of Track Rollers Per Side	8	—
Shoe Size	105.2 cm	—
Weight (Operating)	7550.0 kg	6531.7 kg
Track Pitch	15.5 cm	—
Pump Flow	—	64.7 LPM
Net Power	—	50.0 kW
Aspiration	—	Turbocharged
Max Torque	—	257.6 N-m
Torque Measured RPM	—	1400 RPM
Battery	—	12 V
Fuel Capacity	—	117.3 l
Engine Oil Capacity	—	8.7 l
Cooling System Capacity	—	15.1 l
Hydraulic Capacity	—	26.5 l
Final Drives Capacity	—	6.1 l
Pump type	—	Open center
Hydraulic Pump Flow	—	64.7 LPM
Relief Valve Pressure	—	137.9 bar
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