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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 |
info | |
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] |
info | |
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 |