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John Deere 850J Crawler Dozer


Ground Clearance1.4 ft (0 m)
Height - Top of Cab10.5 ft (3 m)
Length of Track on Ground9.1 ft (3 m)
Length w/ Blade17.7 ft (5 m)
Width Over Tracks8.2 ft in (21 cm)


AspirationTurbocharger w/ aftercooler
Displacement550 cu in (0 m)
Engine Model6090HT
Gross Power192 hp (143 kw)
Max Torque611 lbs/ft
Net Power185 hp (138 kw)
Number of Cylinders6
Power Measured @1800 rpm
Torque Measured @1500 rpm

Hydraulic System

Pump Flow Capacity46 gal/min (174 l/min)
Pump typePiston
Relief Valve Pressure3625 psi

Operating Specifications

Alternator Supplied Amperage80 A
Cooling System Fluid Capacity9.2 gal (35 l)
Engine Oil Capacity7.1 gal (27 l)
Final Drives Fluid Capacity4.4 gal (17 l)
Fuel Capacity98 gal (371 l)
Hydraulic Fluid Capacity27.9 gal (106 l)
Operating Voltage24 V V
Operating Weight39857.4 lbs (18,079 kg)

Standard Blade

Capacity7.3 cu yds (6 m)
Height56 in (142 cm)
Width10.7 ft (3 m)


Max Speed - Forward6.3 mph (10 kph)
Max Speed - Reverse6.3 mph (10 kph)
Transmission TypeHydrostatic


Ground Contact Area5232 cu in (0 m)
Ground Pressure7.7 psi
Number of Shoes per Side40
Number of Track Rollers per Side7
Standard Shoe Size24 in (61 cm)
Track Gauge6.2 ft (2 m)
Track Pitch8 in (20 cm)

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