This page provides a detailed comparison of the specifications for the John Deere 8230 and the John Deere 9420R.
| John Deere 8230 | John Deere 9420R | |
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| Engine | ||
| Engine Manufacturer | John Deere | John Deere |
| Engine Model | 2240 | John Deere Diesel six-cylinder vertical with two turbochargers, air-to-air aftercooler, and D.E.F (Diesel Exhaust Fluid) exhaust treatment |
| Engine Cooling Type | - | Liquid-cooled |
| Engine Fuel Type | - | Diesel |
| Engine Induction Type | Turbocharged | Electronic injection with turbochargers and aftercooler |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 549 ci (9.0 L) | 826 ci (13.5 L) |
| Engine Rated Rpm | 2100 | 2100 |
| Engine Power Output Value | 245 hp (182.7 kW) | - |
| Transmission | ||
| Transmission Type | Powershift | Selective gear fixed ratio with full range operator controlled power shift |
| Transmission Forward Gears | 16 | 18 |
| Transmission Reverse Gears | 4 | 6 |
| Dimensions | ||
| Length Value | - | 314.3 |
| Width Value | - | 176 |
| Operating Weight Value | - | 42965 lb (19489 kg) |
| Miscellaneous | ||
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | Three-Point Hitch | Category 4N, Category 4 |
| Hitch Category | Category 3 | IV |
| Hitch Position | Rear | Rear |
| Hitch Capacity Value | 12401 lb (5625 kg) | - |
| Hydraulic System Type | - | Closed-center pressure/flow compensated |
| Operator Station Type | - | Cab |
| Starter Type | - | 12 volt electric |
