John Deere 8850 Specs ( 1982-1988 )
Production
| Description | Built in Waterloo, Iowa, USA / Original price was $122,694 in 1983 |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor / 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. |
| Manufacturer | John Deere |
Engine
| Engine type | John Deere 15.7L 8-cyl diesel |
|---|---|
| Bore/Stroke | 5.51x5.00 inches (140 x 127 mm) |
| Compression | 15.5:1 |
| Coolant capacity | 78 qts (73.8 L) |
| Description | John Deere / intercooled turbocharged diesel / 8-cylinder / liquid-cooled V8 |
| Displacement | 955 ci (15.7 L) |
| Oil capacity | 51 qts (48.3 L) |
| Power | 370 hp (275.9 kW) |
| Rated RPM | 2100 |
| Starter volts | 12 |
| Drawbar (tested) | 269.77 hp (201.2 kW) |
| PTO (claimed) | 300 hp (223.7 kW) |
| PTO (tested) | 303.99 hp (226.7 kW) |
Transmission
| Clutch | Perma-Clutch hydraulic wet discs |
|---|---|
| Description | 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. |
| Gears | 16 forward and 6 reverse |
| Oil capacity | 182 qts (172.2 L) |
| Transmission | Quad-Range |
| Transmission type | 16-speed partial power shift |
| Type | partial power shift |
Mechanical
| Description | Articulated power steering / Power wet disc brakes / Sound-Gard cab with air-conditioning |
|---|---|
| Differential lock | electro-hydraulic front and rear |
| Drive type | Four-wheel drive |
| Final drives | inboard compound planetary |
Capacity
| Fuel | 240 gal (908.4 L) |
|---|---|
| Hydraulic system | 45.5 gal (172.2 L) |
Hydraulics
| Capacity | 45.5 gal (172.2 L) |
|---|---|
| Pump flow | 44 gpm (166.5 lpm) |
| Type | closed center constant-pressure |
| Valves | 3 to 4 |
Hitch
| Control | lower-link draft sensing |
|---|---|
| Rear lift | 10,250 lbs (4649 kg) |
| Rear Type | 4/4N |
PTO
| Clutch | hydraulic wet disc |
|---|---|
| Rear PTO | independent OptOptional |
| Rear PTO Type | 1000 (1.75) |
Electrical
| Batteries | 3 |
|---|---|
| Battery CCA | 625 |
| Battery volts | 12 |
| Charging amps | 110 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Front axle | 4.331 by 127.5 inches (110 by 3238 mm) |
|---|---|
| Length | 257.8 inches (654 cm) |
| Operating weight | 37,700 lbs (17100 kg) |
| Rear axle | 4.331 by 127.5 inches (110 by 3238 mm) |
| Shipping weight | 37,480 lbs (17000 kg) |
| Wheelbase | 133 inches (337 cm) |
| Front tire | 20.8-38 |
| Rear tire | 20.8-38 |
| Weight | 37480 to 37700 pounds |
| Wheelbase | 133 inches (337 cm) |
| Ag front | 20.8-38 / 20.8-42 |
| Ag rear | 20.8-38 / 20.8-42 |
8850 Serial Numbers
| 1982 | 2000 |
|---|---|
| 1983 | 4000 |
| 1984 | 5101 |
| 1985 | 6001 |
| 1986 | 6501 |
| 1987 | 7001 |
| 1988 | 7501 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate on the rear of the tractor. |
John Deere 8850 attachments
| Description | blade |
|---|
Nebraska Tractor Test 1434
| Description | Diesel Quad-Range 4WDMay 11 - 21, 1982Link: Nebraska Tractor Test 1434 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 19.3 gal/hour (73.1 l/hour) / 19.2 gal/hour (72.7 l/hour) |
| Max power | 269.77 hp (201.2 kW) |
| Max pull | 35,330 lbs (16025 kg) |
| Power at rated engine speed | 303.99 hp (226.7 kW) |
References
| Description | Loaders, Spreaders and Blades published in 1984, by John Deere / 4-Wheel-Drive Tractors published in 1981, by John Deere / 4-Wheel-Drive Tractors published in 1983, by John Deere / 4-Wheel-Drive Tractors published in 1986, by John Deere / 8450, 8650, 8850 Competition published in 1982, by John Deere / Agricultural Price List published in 1983, by John Deere |
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Speeds
| Description | 20.8-38 tires |
|---|