John Deere 8410 vs John Deere 8420 T
11 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because their unladen weight differs by more than 25% (29%); the drive differs (4WD; Tracks); the 8420 T is on tracks, not an alternative to an ordinary tractor. The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.
Field by field
11 material differences · 7 fields identical or within 5%, which is not counted as material
| Field | 8410 | 8420 T | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 266.5 hp | 266.5 hp | — |
| Engine declared | John Deere-PowerTech 6.081 HRW-17 | John Deere-PowerTech 6.081 HRW-36 | differs |
| Displacement declared | 8.13 L | 8.13 L | — |
| Maximum torque declared | 829 lb·ft · 1,124 N·m | 888 lb·ft · 1,204 N·m | +7% 8420 T |
| Transmission | |||
| Top speed declared | 18.6–24.9 mph · 30–40 km/h | 18.6 mph · 30 km/h | differs |
| Clutch declared | Pedal operated hydraulic wet John Deere multi-plate clutch | Pedal-operated, hydraulic wet John Deere multi-disc clutch | differs |
| Hydraulics & hitch | |||
| Hydraulic centre declared | Closed centre | — | — |
| Hydraulic control declared | Load sensing | Load sensing | — |
| Pump flow declared | 31.8 gpm · 120.4 L/min | 34.7 gpm · 131.4 L/min | +9% 8420 T |
| Pressure declared | 3,379 psi · 233 bar | — | — |
| Three-point lift at ends declared | 11,645 lb · 5,282 kg | 16,535 lb · 7,500 kg | +42% 8420 T |
| Rear PTO speeds declared | 540/1000 rpm | 1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 20,439 lb · 9,271 kg | 26,378 lb · 11,965 kg | +29% 8420 T |
| Maximum permissible mass declared | 30,865 lb · 14,000 kg | 31,526 lb · 14,300 kg | — |
| Wheelbase declared | 116.1 in · 2,950 mm | 89.0 in · 2,260 mm | +31% 8410 |
| Length declared | 216.0 in · 5,487 mm | 217.7 in · 5,530 mm | — |
| Width declared | 118.6 in · 3,012 mm | 103.7 in · 2,634 mm | +14% 8410 |
| Height declared | 121.1 in · 3,075 mm | 122.9 in · 3,122 mm | — |
| Ground clearance declared | 15.9 in · 405 mm | 13.8 in · 350 mm | +16% 8410 |
| Fuel tank declared | 540.0 qt · 511.0 L | 519.9 qt · 492.0 L | — |
John Deere 8410 sources
Source
- Source: Traktorenlexikon, “John Deere 8410”
- Source: OECD test report 1936, 2000
John Deere 8420 T sources
Source
- Source: Traktorenlexikon, “John Deere 8420T”