This page provides a detailed comparison of the specifications for the John Deere 9R 390 and the John Deere 9R 440.
| John Deere 9R 390 | John Deere 9R 440 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | John Deere | John Deere |
| Engine Model | JD14 | John Deere Diesel |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged aftercooled | Turbocharged aftercooled |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 826 ci (13.5 L) | 826 ci (13.5 L) |
| Engine Rated Rpm | 2100 | 1800 |
| Engine Power Output Value | 371 hp (276.4 kW) | 390 hp (290.8 kW) |
| Transmission | ||
| Transmission Type | Full power shift | Full power shift |
| Transmission Forward Gears | 18 | 18 |
| Transmission Reverse Gears | 6 | 6 |
| Dimensions | ||
| Length Value | 312.8 | 312.8 |
| Width Value | - | 173.3 |
| Operating Weight Value | 46800 lb (21228 kg) | 46800 lb (21228 kg) |
| Miscellaneous | ||
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | Category 4N | IV |
| Hydraulic System Type | Closed center pressure/flow compensated | Dual pump system |
| Operator Station Type | Cab | Cab |
| Starter Type | Electric | Electric |
