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John Deere 850

John Deere 850 tractor
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The John Deere 850 is an industrial crawler tractor produced from 1977 to 1984. It features a John Deere 6-619T turbocharged 6-cylinder diesel engine with 165 hp gross power and 145 hp net power. The tractor uses a hydrostatic transmission with infinite forward and reverse speeds. It has a crawler drive with 20-inch tracks and a four-post ROPS with optional air-conditioned cab. Fuel capacity is 82 gallons and hydraulic system capacity is 35 gallons with an open center hydraulic system. The 850 supports front-mount blades such as the 123" John Deere 6545 and 152" John Deere 6540 blades. Operating weight is 32,600 lbs.
John Deere 850industrial crawler tractor165 hpturbocharged dieselhydrostatic transmissioncrawler drive20-inch tracksfront-mount blade
Power-
Founded-
Model850

Technical Specifications

Detailed specifications and technical data for John Deere 850

Power

Engine (net):145 hp (108.1 kW)
Engine (gross):165 hp (123.0 kW)

Engine

Type:turbocharged diesel
Model:John Deere 6-619T
Torque:550 lb-ft (745.8 Nm)
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Torque RPM:1200
Air cleaner:dry
Bore/Stroke:5.12x5.00 inches (130 x 127 mm)
Compression:15.2:1
Power (net):145 hp (108.1 kW)
Displacement:619 ci (10.1 L)
Oil capacity:34 qts (32.2 L)
Power (gross):165 hp (123.0 kW)
Starter volts:24
Coolant capacity:36 qts (34.1 L)

Tracks

Width:20 inches (50 cm)
Other widths:22 inches (55 cm), 24 inches (60 cm)
Area on ground:3800 in² (2.5 m²)
Ground pressure:9.68 psi (0.7 bar)
Length on ground:95 inches (241 cm)

Capacity

Fuel:82 gal (310.4 L)
Hydraulic system:35 gal (132.5 L)

Dimensions

Width:94 inches (238 cm) *Width over 20-inch tracks at 74-inch gauge.
Length:152 inches (386 cm)
Height (ROPS):126 inches (320 cm)
Operating weight:32600 lbs (14787 kg)
6540 dozer length:210 inches (533 cm)
6545 dozer length:208.5 inches (529 cm)

Electrical

Batteries:2
Battery CCA:570
Battery volts:12
Charging system:alternator

Hydraulics

Type:open center
Capacity:35 gal (132.5 L)
Pressure:2250 psi (155.1 bar)
Pump flow:38 gpm (143.8 lpm)

Mechanical

Drive:crawler
Safety:Four-post ROPS. Cab available with air-conditioning.

Production

Type:Industrial Crawler tractor
Years produced:1977 - 1984

Attachments

123" Blade:John Deere 6545, front-mount, 123 inches width (312 cm), 44.5 inches height (113 cm), 37.5 inches lift (95 cm), 15 inches tilt (38 cm), Angling 25°, 22 inches cut (55 cm), 4520 lbs (2050 kg), hydraulic-lift, manual-angle
152" Blade:John Deere 6540, front-mount, 152 inches width (386 cm), 40 inches height (101 cm), 36.5 inches lift (92 cm), 13.25 inches tilt (33 cm), Angling 25°, 21.1 inches cut (53 cm), 4185 lbs (1898 kg), hydraulic-lift, hydraulic-angle

Transmission

Type:hydrostatic
Gears:infinite forward and reverse

Serial Numbers

1977:272701
1978:283245
1979:313290
1980:331952
1981:363135
1982:379892
1983:384961
1984:701260

Related Models

John Deere 850B

Model:850B

John Deere 750

Model:750