SPECS / COMPARISON
Allis Chalmers 4W-305 vs John Deere 8520
A detailed comparison of the Allis Chalmers 4W-305 and the John Deere 8520. Click a model name to view its full specifications.
Horsepower
Allis Chalmers 4W-305227.5 kW (305.1 HP)
John Deere 8520249.8 kW (335.1 HP)
Weight
Allis Chalmers 4W-3059900.0 kg (21825.7 lbs)
John Deere 852010795.0 kg (23798.9 lbs)
| Specification | Allis Chalmers 4W-305 Agricultural Tractors | John Deere 8520 Agricultural Tractors |
|---|---|---|
| Tractor Type | Farm Tractor | Row-Crop Tractor |
| Horsepower | 227.5 kW (305.1 HP) | 249.8 kW (335.1 HP) |
| Weight | 9900.0 kg (21825.7 lbs) | 10795.0 kg (23798.9 lbs) |
| Years Made | 1982-1985 | 2002-2005 |
| Engine Model | Allis Chalmers | John Deere |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 11980 cc (731.1 cu in.) | 8128 cc (496.0 cu in.) |
| Rear PTO Type | Independent | Independent with hydraulic wet disc clutch |
| Rear PTO Speed | 1000 RPM | 1.000 RPM |
| Battery | 12 V | Two 12V, CCA 925A |
| Starter | Electric | Electric |
| Wheelbase | 320.0 cm (126.0 in.) | 298.0 cm (117.3 in.) |
| Fuel Tank Capacity | 757.0 l (200.0 gal) | 605.6 l (160.0 gal) |
| Coolant Capacity | 68.1 l (18.0 gal) | 34.0 l (9.0 gal) |
| Gears | 20 forward and 4 reverse | 16 forward and 4 reverse |
| Chassis | 4×4 4WD | 4×4 MFWD 4WD |
| Drawbar Category | III/IV | IIIN |
| Cabin Type | Cab | Cab |
| Steering Type | Hydraulic power | Hydrostatic power |
| Front Tires | Ag: 18.4-38 | — |
| Rear Tires | Ag: 18.4-38 | Ag: 18.4R46 |
| Lift Capacity | — | 4990.0 kg (11001.1 lbs) |
| Transmission Type | — | Full power shift with hydraulic wet disc clutch |
| Length | — | 538.0 cm (211.8 in.) |
| Pump Flow | — | 113.6 LPM (30.0 GPM) |
| Bore | — | 11.61 cm (4.57 in.) |
| Stroke | — | 12.90 cm (5.08 in.) |
| Rated RPM | — | 2200 RPM |
| Compression Ratio | — | 16.5:1 |
| Height | — | 310.0 cm (122.0 in.) |
| Oil Capacity | — | 30.9 l (8.2 gal) |
| Transmission Oil Capacity | — | 150.0 l (39.6 gal) |
| Hydraulic Capacity | — | 150.0 l (39.6 gal) |
| Front Hubs Capacity | — | 4.0 L (Front hubs: 1.1 gal) |
| Front Diffrential Case Capacity | — | 13.4 l (Front differential: 3.5 gal) |
| Transmission Model | — | John Deere PowerShift |
| Max. Travel Speed | — | 10.9 km/h (Forward: 24.8 MPH (39.9 km/h) Reverse: 6.8 MPH) |
| Brakes | — | Hydraulic wet disc |
| Hydraulic Type | — | Closed center pressure-flow compensated |
| Total Flow | — | 160.9 LPM (33.0 GPM (124.9 LPM) 42.5 GPM) |
| Working Pressure | — | 199.9 bar (2900.0 psi) |
| Valves | — | 5 |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.