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

FeatureKomatsu D65E-12EDozerJohn Deere 850J WLTDozer
TypeCrawler DozerCrawler Dozer
Horsepower141.7 kW143.2 kW
Operating Weight17920.0 kg19921.0 kg
Engine ManufacturerKomatsuJohn Deere
Engine Model6 D125E-2-A6090 HT
Gross Power141.7 kW143.2 kW
Number of Cylinders66
Displacement11041.6 cc9012.9 cc
Power Measured RPM1950 RPM1800 RPM
Transmission TypeTorqflowHydrostatic
Number of Forward Gears3—
Number of Reverse Gears3—
Cab Height307.8 cm320.0 cm
Width Over Track240.8 cm301.8 cm
Length Overall527.3 cm573.0 cm
Length without Blade438.9 cm—
Length of Track on Ground268.2 cm329.2 cm
Track Gauge189.0 cm225.6 cm
Ground Clearance42.7 cm42.7 cm
No of Carrier Rollers Per Side2—
No of Shoes Per Side3945
No of Track Rollers Per Side78
Shoe Size51.1 cm76.2 cm
Weight (Operating)17920.0 kg19921.0 kg
Track Pitch20.3 cm20.3 cm
Pump Flow—174.1 LPM
Net Power—138.0 kW
Aspiration—Turbocharged with aftercooled
Max Torque—828.4 N-m
Torque Measured RPM—1500 RPM
Alternator Supplied Amp.—80 A
Alternator—80 A
Battery—24 V
Max Speed Forward—10.1 km/h
Max Speed Reverse—10.1 km/h
Ground Pressure—0.4 bar
Fuel Capacity—371.0 l
Engine Oil Capacity—26.9 l
Cooling System Capacity—34.8 l
Hydraulic Capacity—105.6 l
Final Drives Capacity—16.7 l
Pump type—Hydrostatic
Hydraulic Pump Flow—174.1 LPM
Relief Valve Pressure—249.9 bar
Ground Contact Area—127131.1 cm³
Sourceheavyequipments.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