John Deere 8850: all source data

All 75 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerJohn Deere
(no label)Four-wheel Drive (4WD) tractor
(no label)Built in Waterloo, Iowa, USA
(no label)Original price was $122,694 in 1983
(no label)The model 8850 was the largest of the four-wheel drive tractors that John Deere unveiled in 1982. Its big V-8 was a departure from John Deere's usual engine design. The 8850 had an available full-power PTO and Load-and-Depth control three-point hitch.
Engine
(no label)John Deere 15.7L 8-cyl diesel
Transmission
(no label)16-speed partial power shift
Power
Engine370 hp | 275.9 kW
PTO (claimed)300 hp | 223.7 kW
Drawbar (tested)269.77 hp | 201.2 kW
PTO (tested)303.99 hp | 226.7 kW
Mechanical
(no label)Four-wheel drive
Final drivesinboard compound planetary
Differential lockelectro-hydraulic front and rear
(no label)Articulated power steering
(no label)Power wet disc brakes
(no label)Sound-Gard cab with air-conditioning
Capacity
Fuel240 gal | 908.4 L
Hydraulic system45.5 gal | 172.2 L
Hydraulics
Typeclosed center constant-pressure
Capacity45.5 gal | 172.2 L
Valves3 to 4
Pump flow44 gpm | 166.5 lpm
Hitch
Rear Type4/4N
Controllower-link draft sensing
Rear lift10,250 lbs | 4649 kg
Pto
Rear PTOindependent
Clutchhydraulic wet disc
Rear PTO Type1000 (1.75)
Dimensions
Wheelbase133 inches | 337 cm
Weight37480 to 37700 pounds
Front tire20.8-38
Rear tire20.8-38
Electrical
Groundnegative
Charging systemalternator
Charging amps110
Batteries3
Battery CCA625
Battery volts12

Engine

Engine detail
(no label)John Deere
(no label)intercooled turbocharged diesel
(no label)8-cylinder
(no label)liquid-cooled V8
Displacement955 ci | 15.7 L
Bore/Stroke5.51x5.00 inches | 140 x 127 mm
Power370 hp | 275.9 kW
Compression15.5:1
Rated RPM2100
Starter volts12
Oil capacity51 qts | 48.3 L
Coolant capacity (Coolant)78 qts | 73.8 L

Transmission

Transmission
TransmissionQuad-Range
Typepartial power shift
Gears16 forward and 6 reverse
ClutchPerma-Clutch hydraulic wet discs
Oil capacity182 qts | 172.2 L
(no label)Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range.

Dimensions

Tires
Ag front20.8-38
Ag rear20.8-38
Ag front20.8-42
Ag front23.1-34
Ag front24.5-32
Ag front30.5L-32
Ag front20.8-42
Ag rear20.8-42
Ag rear23.1-34
Ag rear24.5-32
Ag rear30.5L-32
Ag rear20.8-42
Dimensions
Wheelbase133 inches | 337 cm
Length257.8 inches | 654 cm
Shipping weight37,480 lbs | 17000 kg
Operating weight37,700 lbs | 17100 kg
Front axle4.331 by 127.5 inches | 110 by 3238 mm
Rear axle4.331 by 127.5 inches | 110 by 3238 mm