This page provides a detailed comparison of the specifications for the John Deere 8420 and the John Deere 8520.
| John Deere 8420 | John Deere 8520 | |
|---|---|---|
| Images | ||
| Engine | ||
| Engine Manufacturer | John Deere | John Deere |
| Engine Model | - | John Deere |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged | Turbocharged |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 496 ci (8.1 L) | 496 ci (8.1 L) |
| Engine Rated Rpm | 2200 | 2200 |
| Engine Power Output Value | 270 hp (201.3 kW) | 293 hp (218.4 kW) |
| Transmission | ||
| Transmission Type | Full power shift | Full power shift |
| Transmission Forward Gears | 16 | 16 |
| Transmission Reverse Gears | 4 | 3 |
| Dimensions | ||
| Length Value | 211.9 | 211.9 |
| Operating Weight Value | 23955 lb (10866 kg) | 23975 lb (10875 kg) |
| Miscellaneous | ||
| Chassis | 4x4 MFWD 4WD | 4x4 MFWD 4WD |
| Drive Type | 4WD | 4WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | III/IIIN | Three-Point Hitch |
| Hitch Category | Category 3 | Category 3 |
| Hitch Position | Rear | Rear |
| Hitch Capacity Value | 17897 lb (8118 kg) | 17897 lb (8118 kg) |
| Hydraulic System Type | Closed center pressure-flow compensated (PFC) | Closed center pressure-flow compensated (PFC) |
| Operator Station Type | Cab (standard) | Cab |
| Starter Type | Electric | Electric |
