This page provides a detailed comparison of the specifications for the David Brown 770 Selectamatic and the David Brown 780. The specifications are categorized into four main sections: Engine, Transmission, Dimensions, and Miscellaneous. By comparing these two tractors side by side, you can easily identify the similarities and differences between them and determine which one best suits your needs.
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David Brown 770 Selectamatic
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David Brown 780
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| Images | No images available | |
| Engine | ||
| Engine - Manufacturer | David Brown | David Brown |
| Engine - Model | AD3/49 | - |
| Engine - Cooling Type | Liquid-Cooled | Liquid-Cooled |
| Engine - Cylinder Orientation | - | - |
| Engine - Valve Configuration | - | - |
| Engine - Fuel Type | Diesel | Diesel |
| Engine - Induction Type | - | - |
| Engine - Cylinders | 3 | 3 |
| Engine - Displacement (ci) | 164.1 | 164.4 |
| Engine - Bore (in) | 3.94 | 3.9375 |
| Engine - Stroke (in) | - | - |
| Engine - Rated RPM | 2000 | 2200 |
| Engine - Power Output (hp) | 38.34 | 46 |
| Transmission | ||
| Transmission - Type | Gear | Sliding Gear with Dry Disc Clutch |
| Transmission - Forward Gears | 12 | 12 |
| Transmission - Reverse Gears | - | - |
| Transmission - Total Gears | - | - |
| Dimensions | ||
| Length (in) | 112.2 | 111.75 |
| Width (in) | 63.8 | 64 |
| Height (in) | 80.3 | 82.5 |
| Operating Weight (lb) | 3730 | 3470 |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 2WD |
| Drive Type | 2WD | 2WD |
| Steering Type | Manual | Manual |
| Coolant Capacity (qts) | 12 | 10 |
| Front Tire Diameter (in) | - | - |
| Front Tire Width (in) | - | - |
| Rear Tire Diameter (in) | - | - |
| Rear Tire Width (in) | - | - |
| Front/Rear Rim Diameter (in) | - | - |
| Tire Type | Ag | Ag |
| Manufacture - End Year | 1970 | 1971 |
| Hitch Type | Category I | - |
| Hitch Category | - | - |
| Hitch Position | - | - |
| Hitch Capacity (lb) | - | - |
| Operator Station Type | Open Operator Station | Open Operator Station |
| Starter Type | Electric | Electric |
| PTO Type | Live | Rear PTO Type: Live |
| PTO Speed 1 (rpm) | 540 | 540 |
| PTO Speed 2 (rpm) | - | 1000 |
| PTO Speed 3 (rpm) | - | - |
| Brake Type | Internal expanding shoe | Mechanical Drum |
| Hydraulic System Type | Open Center | - |
