This page provides a detailed comparison of the specifications for the David Brown 1390 and the Nuffield Unknown.
| David Brown 1390 | Nuffield Unknown | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | J.I. Case | BMC |
| Engine Model | 1390 | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Natural Aspiration | Naturally aspirated |
| Engine Cylinders | 4 | 4 |
| Engine Displacement Value | 219 ci (3.6 L) | 230 ci (3.8 L) |
| Engine Rated Rpm | 2200 | 2000 |
| Engine Power Output Value | 61 hp (45.3 kW) | 60 hp (44.7 kW) |
| Transmission | ||
| Transmission Type | Synchromesh | Gear |
| Transmission Forward Gears | 12 | 5 |
| Transmission Reverse Gears | 4 | 1 |
| Dimensions | ||
| Length Value | 134.6 | 121.7 |
| Width Value | - | 65 |
| Operating Weight Value | 5501 lb (2495 kg) | 5689 lb (2580 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | - |
| Drive Type | 2WD | - |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | II/I | 3 |
| Hitch Position | Rear | - |
| Hydraulic System Type | Open Center | - |
| Operator Station Type | Two-post ROPS or Cab (optional) | - |
| Starter Type | Electric | Electric Starter |
