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

FeatureJohn Deere 850J WLT WASTE HANDLERDozerKomatsu D61PX-15 EODozer
TypeCrawler DozerCrawler Dozer
Horsepower138.0 kW126.8 kW
Operating Weight21514.8 kg18710.0 kg
Pump Flow174.1 LPM195.3 LPM
Engine ManufacturerJohn DeereKomatsu
Engine Model6090 HTSAA6D107E-1
Net Power138.0 kW125.3 kW
AspirationTurbocharged with aftercooled—
Number of Cylinders66
Displacement9012.9 cc6685.9 cc
Max Torque828.4 N-m—
Power Measured RPM1800 RPM1850 RPM
Torque Measured RPM1500 RPM—
Alternator Supplied Amp.80 A—
Alternator80 A—
Battery24 V—
Transmission TypeHydrostatic with direct drive—
Max Speed Forward10.1 km/h8.7 km/h
Max Speed Reverse10.1 km/h10.9 km/h
Ground Pressure0.4 bar0.3 bar
Fuel Capacity371.0 l390.3 l
Engine Oil Capacity26.5 l29.1 l
Cooling System Capacity34.8 l32.2 l
Hydraulic Capacity105.6 l—
Pump typePiston—
Hydraulic Pump Flow174.1 LPM195.3 LPM
Relief Valve Pressure249.9 bar206.2 bar
Cab Height320.0 cm317.0 cm
Width Over Track301.8 cm387.1 cm
Length Overall576.1 cm506.0 cm
Length of Track on Ground329.2 cm320.0 cm
Track Gauge225.6 cm320.0 cm
Ground Clearance42.7 cm39.6 cm
Ground Contact Area127131.1 cm³138487.4 cm³
No of Shoes Per Side4546
No of Track Rollers Per Side88
Shoe Size76.2 cm86.1 cm
Weight (Operating)21514.8 kg18710.0 kg
Track Pitch20.3 cm—
Gross Power—126.8 kW
Number of Forward Gears—3
Number of Reverse Gears—3
Final Drives Capacity—28.8 l
No of Carrier Rollers Per Side—2
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