This page provides a detailed comparison of the specifications for the John Deere 6250R and the John Deere 8420.
| John Deere 6250R | John Deere 8420 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | John Deere | John Deere |
| Engine Model | PowerTech PSS | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | - | Diesel |
| Engine Induction Type | Turbocharged with two turbochargers, air to air intercooled | Turbocharged |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 414 ci (6.8 L) | 496 ci (8.1 L) |
| Engine Rated Rpm | 2100 | 2200 |
| Engine Power Output Value | 237 hp (176.9 kW) | 270 hp (201.3 kW) |
| Transmission | ||
| Transmission Type | Infinitely-variable transmission (IVT) | Full power shift |
| Transmission Forward Gears | - | 16 |
| Transmission Reverse Gears | - | 4 |
| Dimensions | ||
| Length Value | 204.3 | 211.9 |
| Width Value | 100.4 | - |
| Operating Weight Value | 21100 lb (9571 kg) | 23955 lb (10866 kg) |
| Miscellaneous | ||
| Chassis | 4x4 MFWD 4WD | 4x4 MFWD 4WD |
| Drive Type | 4WD | 4WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | Category 3 | III/IIIN |
| Hitch Category | Category 3 | Category 3 |
| Hitch Position | Rear | Rear |
| Hitch Capacity Value | 15000 lb (6804 kg) | 17897 lb (8118 kg) |
| Hydraulic System Type | Closed-center pressure flow compensated | Closed center pressure-flow compensated (PFC) |
| Operator Station Type | Cab | Cab (standard) |
| Starter Type | Electric | Electric |
