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

FeatureKomatsu D65EXL-12DozerJohn Deere 850J WHDozer
TypeCrawler DozerCrawler Dozer
Horsepower134.2 kW138.0 kW
Operating Weight20030.0 kg20259.7 kg
Engine ManufacturerKomatsuJohn Deere
Engine ModelS6D125E-26090 HT
Net Power134.2 kW138.0 kW
AspirationTurbochargedTurbocharged with aftercooled
Number of Cylinders66
Displacement11041.6 cc9012.9 cc
Max Torque891.0 N-m828.4 N-m
Alternator Supplied Amp.140 A80 A
Alternator140 A80 A
Battery24 V—
Transmission TypeTorque ConverterHydrostatic with direct drive
Number of Forward Gears3—
Number of Reverse Gears3—
Max Speed Forward6.3 km/h10.1 km/h
Max Speed Reverse8.0 km/h10.1 km/h
Ground Pressure0.5 bar0.4 bar
Fuel Capacity405.0 l371.0 l
Engine Oil Capacity37.9 l26.5 l
Cooling System Capacity51.9 l34.8 l
Hydraulic Capacity55.3 l105.6 l
Final Drives Capacity23.8 l—
Pump typeDouble-acting, pistonPiston
Relief Valve Pressure206.0 bar249.9 bar
Cab Height317.0 cm320.0 cm
Width Over Track347.5 cm280.4 cm
Length Overall545.6 cm539.5 cm
Length of Track on Ground329.2 cm277.4 cm
Track Gauge189.0 cm204.2 cm
Ground Contact Area101796.7 cm³127131.1 cm³
No of Shoes Per Side4540
No of Track Rollers Per Side87
Shoe Size51.1 cm76.2 cm
Weight (Operating)20030.0 kg20259.7 kg
Track Pitch6.6 cm20.3 cm
Pump Flow—174.1 LPM
Power Measured RPM—1800 RPM
Torque Measured RPM—1500 RPM
Hydraulic Pump Flow—174.1 LPM
Ground Clearance—490.7 cm
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