John Deere
8850
Farm tractor · 1982–1988 · 370 hp
John Deere8850
The John Deere 8850 is a farm tractor manufactured from 1982 to 1988. It features a John Deere engine, and articulated power steering. The transmission is a partial power shift type with 16 forward and 6 reverse.
Engine
| Engine | John Deere |
|---|---|
| Fuel Type | diesel |
| Cylinders | 8 |
| Cooling | liquid-cooled V8 |
| Turbocharger Status | intercooled turbocharged diesel |
| Displacement | 955 ci (15.7 L) |
| Bore | 5.51 in (140 mm) |
| Stroke | 5 in (127 mm) |
| Compression Ratio | 15.5 |
| Power Gross | 370 hp (275.9 kW) |
| Power Rated | 370 hp (275.9 kW) |
| Power PTO | 303.99 hp (226.7 kW) |
| Power Drawbar | 269.77 hp (201.2 kW) |
| Starter Volts | 12 |
| Oil Capacity | 51 qts (48.3 L) |
| Coolant Capacity | 78 qts (73.8 L) |
| Manufacturer | John Deere |
| Rated | 2,100 RPM |
Transmission
| Transmission Type | partial power shift |
|---|---|
| Transmission Model | Quad-Range |
| Gears | 16 forward and 6 reverse |
| Transmission 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. |
| Clutch | Perma-Clutch hydraulic wet discs |
| Oil Capacity | 182 qts (172.2 L) |
| Available Options | 16-speed partial power shift |
Hydraulics
| Type | closed center constant-pressure |
|---|---|
| Pump Flow | 44 gpm (166.5 lpm) |
| Valves | 3 |
| System Capacity | 45.5 gal (172.2 L) |
Hitch
| Rear Type | 4/4N |
|---|---|
| Rear Lift | 10,250 lbs (4,649 kg) |
| Hitch Control | lower-link draft sensing |
Dimensions
| Length | 257.8 in (654 cm) |
|---|---|
| Wheelbase | 133 in (337 cm) |
Weight
| Shipping | 37,480 lbs (17,000 kg) |
|---|---|
| Operating | 37,700 lbs (17,100 kg) |
Tires & Tracks
| Front Ag | 20.8-38, 20.8-42 |
|---|---|
| Rear Ag | 20.8-38, 20.8-42, 23.1-34, 24.5-32, 30.5L-32 |
Fuel
| Capacity | 240 gal (908.4 L) |
|---|
Steering
| Type | articulated power |
|---|
Cab
| Cab | Sound-Gard cab with air-conditioning |
|---|
Nebraska Tests
NTTLTest #1434
May 11-21, 1982 Temperature °F (°C) Fuel Consumption Crank Power Hp Air shaft Air Barometer inch Hg gal/hr (kW) Ib/hp.hr CoolingNebraska Tractor Test
PTO Power
303.99HP
Sound
88.5dB(A)
NTTLTest #1434
May 11-21, 1982 Temperature °F (°C) Fuel Consumption Crank Power Hp Air shaft Air Barometer inch Hg gal/hr (kW) Ib/hp.hr CoolingNebraska Tractor Test
PTO Power
303.99HP
Sound
88.5dB(A)