SPECS / COMPARISON
John Deere 8420 vs John Deere 8220
A detailed comparison of the John Deere 8420 and the John Deere 8220. Click a model name to view its full specifications.
Horsepower
John Deere 8420201.4 kW (270.1 HP)
John Deere 8220167.8 kW (225.1 HP)
Lift Capacity
John Deere 84204990.0 kg (11001.1 lbs)
John Deere 82204900.0 kg (10802.6 lbs)
| Specification | John Deere 8420 Agricultural Tractors | John Deere 8220Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Row-Crop Tractor |
| Horsepower | 201.4 kW (270.1 HP) | 167.8 kW (225.1 HP) |
| Weight | 10785.0 kg (480/80R46 duals: 23776.8 lbs) | — |
| Lift Capacity | 4990.0 kg (11001.1 lbs) | 4900.0 kg (10802.6 lbs) |
| Transmission Type | Full power shift with hydraulic wet disc clutch | Full power shift with hydraulic wet disc clutch |
| Length | 538.0 cm (211.8 in.) | 538.0 cm (209.8 in. (533.0 cm) Long frame: 211.8 in.) |
| Years Made | 2002-2005 | 2002-2005 |
| Engine Model | John Deere | John Deere |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 8128 cc (496.0 cu in.) | 8128 cc (496.0 cu in.) |
| Bore | 11.61 cm (4.57 in.) | 11.61 cm (4.57 in.) |
| Stroke | 12.90 cm (5.08 in.) | 12.90 cm (5.08 in.) |
| Rear PTO Type | Independent with hydraulic wet discs clutch | Independent with electro-hydraulic wet disc clutch |
| Rear PTO Speed | 1000, 540/1000 RPM | 1000 or 540/1000 RPM |
| Rated RPM | 2200 RPM | 2200 RPM |
| Compression Ratio | 16.5:1 | 16.5:1 |
| Battery | Two 12V, CCA 925A | Two 12V, CCA 925A |
| Starter | Electric | Electric |
| Height | 310.0 cm (Cab Height: 122.0 in.) | 305.0 cm (Cab Height: 120.1 in.) |
| Wheelbase | 298.0 cm (118.9 in. (302.0 cm) ILS: 117.3 in.) | 296.0 cm (2WD: 123.2 in. (313.0 cm) 4WD: 116.5 in.) |
| Fuel Tank Capacity | 605.6 l (160.0 gal) | 605.6 l (135.0 gal (511.0 l) Optional: 160.0 gal) |
| Oil Capacity | 27.0 l (7.1 gal) | 23.5 l (6.2 gal) |
| Coolant Capacity | 34.0 l (9.0 gal) | 34.0 l (9.0 gal) |
| Transmission Oil Capacity | 149.9 l (37.0 gal (140.1 l) ILS: 39.6 gal) | 149.9 l (37.0 gal (140.1 l) ILS: 39.6 gal) |
| Transmission Model | John Deere PowerShift | John Deere PowerShift |
| Gears | 16 forward and 4 reverse | 16 forward and 4 reverse |
| Chassis | 4×4 MFWD 4WD | 4×2 2WD or 4×4 MFWD 4WD |
| Max. Travel Speed | 10.9 km/h (Forward: 24.8 MPH (39.9 km/h) Reverse: 6.8 MPH) | 10.9 km/h (Forward: 24.8 MPH (39.9 km/h) Reverse: 6.8 MPH) |
| Brakes | Hydraulic wet disc | Hydraulic wet disc |
| Drawbar Category | IIIN | IIIN |
| Cabin Type | Cab | Cab |
| Steering Type | Hydrostatic power | Hydrostatic power |
| Front Tires | Ag: 16.9R30 | Ag: 11.00-24 , 16.9R30 |
| Rear Tires | Ag: 18.4R46 | Ag: 18.4R46 |
| Hydraulic Type | Closed center pressure-flow compensated | Closed center pressure-flow compensated |
| Total Flow | 126.8 LPM (42.5 GPM (160.9 LPM) 33.5 GPM) | 160.9 LPM (33.5 GPM (126.8 LPM) 42.5 GPM) |
| SCV Flow | 113.6 LPM (30.0 GPM) | 113.6 LPM (30.0 GPM) |
| Working Pressure | 199.9 bar (2900.0 psi) | 199.9 bar (2900.0 psi) |
| Valves | 4 to 5 | 5 |
| Hydraulic Capacity | — | 149.9 l (37.0 gal (140.1 l) ILS: 39.6 gal) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.