John Deere 8850 Specifications - John Deere 8850 Specs

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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.
Production
Manufacturer: John Deere
Factory: Waterloo, Iowa, USA
Original price (USD), $120,000 (1988 ),
Capacity
Fuel: 240 gal [908.4 L]
Hydraulic system: 45.5 gal [172.2 L]
3-Point Hitch
Rear Type: 4/4N
Control: lower-link
Rear lift: 10,250 lbs [4649 kg]
Power Take-off (PTO)
Rear PTO: independent (optional)
Clutch: hydraulic wet disc
Rear RPM: 1000 (1.75)
Dimensions & Tires
Wheelbase: 133 inches [337 cm]
Weight: 37480 to 37700 pounds
Front tire: 20.8-38
Rear tire: 20.8-38
8850 Serial Numbers
Location: Rear of tractor
John Deere 8850 Power
Engine: 370 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
Chassis: 4x4 articulated 4WD
Steering: hydrostatic power
Brakes: power wet disc
Cab: Sound-Gard cab with air-conditioning
Hydraulics
Type: closed center constant-pressure
Capacity: 45.5 gal [172.2 L]
Valves: 3 to 4
Pump flow: 44 gpm [166.5 lpm]
Electrical
Ground: negative
Charging system: alternator
Charging amps: 110
Battery
Number: 3
Cold-cranking amps: 625
Volts: 12
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Bore/Stroke: 5.51x5.00 inches [140 x 127 mm]
Power: 370 hp [275.9 kW]
Compression: 15.5:1
Rated RPM: 2100
Starter volts: 12
Oil capacity: 51 qts [48.3 L]
Coolant capacity: 78 qts [73.8 L]
Engine Detail
John Deere, intercooled turbocharged diesel, 8-cylinder, liquid-cooled V8, 955 ci [15.7 L]
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Speeds: 20.8-38 tires
Transmission
Transmission: Quad-Range
Type: partial power shift
Gears: 16 forward and 6 reverse
Clutch: Perma-Clutch hydraulic wet discs
Oil capacity: 182 qts [172.2 L]
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.
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Next model: John Deere 8960
Series back: John Deere 8650
Dimensions
Weight (shipping): 37,480 lbs [17000 kg]
Weight (operating): 37,700 lbs [17100 kg]
Wheelbase: 133 inches [337 cm]
Length: 257.8 inches [654 cm]
Front axle: 4.331 by 127.5 inches [110x3238 mm]
Rear axle: 4.331 by 127.5 inches [110x3238 mm]
2WD turn radius: 19 feet [5.8 m]
John Deere 8850 Tires
Ag front: 20.8-42, 23.1-34, 24.5-32, 30.5L-32
Ag rear: 20.8-42, 23.1-34, 24.5-32, 30.5L-32