This page provides a detailed comparison of the specifications for the David Brown 1690 and the David Brown 50D.
| David Brown 1690 | David Brown 50D | |
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| Engine | ||
| Engine Manufacturer | J.I. Case | David Brown |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Naturally aspirated | Naturally Aspirated |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 329 ci (5.4 L) | 248 ci (4.1 L) |
| Engine Rated Rpm | 2200 | 1800 |
| Engine Power Output Value | 90 hp (67.1 kW) | 50 hp (37.3 kW) |
| Transmission | ||
| Transmission Type | Synchromesh with hydraulic dry disc clutch | Gear |
| Transmission Forward Gears | 12 | 6 |
| Transmission Reverse Gears | 4 | 2 |
| Dimensions | ||
| Length Value | - | 134.75 |
| Width Value | - | 74 |
| Operating Weight Value | 8755 lb (3971 kg) | 6130 lb (2781 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | II | - |
| Hydraulic System Type | Open Center | - |
| Operator Station Type | Two-post ROPS or Cab (optional) | Open operator station |
| Starter Type | Electric | Electric |
