This page provides a detailed comparison of the specifications for the John Deere 9460RT and the Massey-Harris 81.
| John Deere 9460RT | Massey-Harris 81 | |
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| Engine | ||
| Engine Manufacturer | John Deere | Continental |
| Engine Model | PowerTech PSX | F124 |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Gasoline |
| Engine Induction Type | Turbocharged with two turbochargers and air-to-air aftercooler | Naturally Aspirated |
| Engine Cylinders | 6 | 4 |
| Engine Displacement Value | 827 ci (13.5 L) | 124 ci (2.0 L) |
| Engine Rated Rpm | 2100 | 1500 |
| Engine Power Output Value | 460 hp (343.0 kW) | - |
| Transmission | ||
| Transmission Type | Full power shift | Unsynchronized gear |
| Transmission Forward Gears | 18 | 4 |
| Transmission Reverse Gears | 6 | 1 |
| Dimensions | ||
| Length Value | 237 | 119 |
| Width Value | 136 | - |
| Operating Weight Value | 47020 lb (21328 kg) | 2895 lb (1313 kg) |
| Miscellaneous | ||
| Chassis | Track | 4x2 2WD |
| Drive Type | Track | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | Category 4N/4 | - |
| Hitch Position | Rear | - |
| Hydraulic System Type | Closed center pressure flow compensated | - |
| Operator Station Type | Cab | - |
| Starter Type | Electric | Electric Starter |
