SPECS / COMPARISON
Compare models
Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.
| Feature | John Deere 8850Tractor | John Deere 8970Tractor |
|---|---|---|
| Tractor Type | Farm Tractor | Farm Tractor |
| Horsepower | 276.0 kW | 298.4 kW |
| Weight | 17100.0 kg | 15265.0 kg |
| Lift Capacity | 4650.0 kg | — |
| Transmission Type | Partial power shift with Perma-Clutch wet discs clutch | Full power shift with hydraulic wet disc clutch |
| Length | 654.0 cm | 683.0 cm |
| Pump Flow | 166.6 LPM | 169.6 LPM |
| Years Made | 1982-1988 | 1993-1996 |
| Engine Model | John Deere | Cummins |
| Engine Type | 4-stroke, liquid-cooled, V | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 8 | 6 |
| Displacement | 15658 cc | 14111 cc |
| Bore | 14.00 cm | 14.00 cm |
| Stroke | 12.70 cm | 15.19 cm |
| Rear PTO Type | Independent with hydraulic wet disc clutch | Independent with hydraulic wet disc clutch |
| Rear PTO Speed | 1.000 RPM | 1.000 RPM |
| Rated RPM | 2100 RPM | 2100 RPM |
| Compression Ratio | 15.5:1 | 14.0:1 |
| Battery | Three 12V, CCA: 625A | Three 12V, CCA 925A |
| Starter | Electric | Electric |
| Wheelbase | 337.0 cm | 340.0 cm |
| Fuel Tank Capacity | 908.5 l | 832.7 l |
| Oil Capacity | 48.3 l | 34.1 l |
| Coolant Capacity | 73.8 l | 68.1 l |
| Transmission Oil Capacity | 172.2 l | — |
| Hydraulic Capacity | 172.2 l | 143.8 l |
| Transmission Model | Quad-Range | Power Shift |
| Gears | 16 forward and 6 reverse | 12 forward and 2 reverse |
| Chassis | 4×4 articulated 4WD | 4×4 articulated 4WD |
| Max. Travel Speed | 21.2 km/h | — |
| Brakes | Power wet disc | Hydraulic wet disc |
| Drawbar Category | IV/IVN | — |
| Cabin Type | Sound-Gard cab with air-conditioning | Sound-Gard cab |
| Steering Type | Hydrostatic power | Articulated power |
| Front Tires | Ag: 20.8-38, 20.8-42, 23.1-34, 24.5-32, 30.5L-32 | Ag: 24.5R-32 |
| Rear Tires | Ag: 20.8-38, 20.8-42, 23.1-34, 24.5-32, 30.5L-32 | Ag: 24.5R-32 |
| Hydraulic Type | Closed center constant-pressure | Closed center pressure compensated |
| Valves | 3 to 4 | 3 to 5 |
| Final Drive | — | Inboard planetary |
| Total Flow | — | 126.1 LPM |
| Working Pressure | — | 174.4 bar |
| Source | heavyequipments.net archive (imported 2026-10) | heavyequipments.net archive (imported 2026-10) |
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