8 material differences · fewer than 12
Tractor oneDavid Brown 770 Selematic1965–1970No measured PTO figureTractor twoInternational Harvester 2761968–1974No measured PTO figure
Which should you choose?
Read our verdict on the 770 Selematic and the 276 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
8 material differences · 6 fields identical or within 5%, which is not counted as material
| Field | 770 Selematic | 276 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 33.0 hp | 35.5 hp | +8% 276 |
| Engine declared | DAVID BROWN AD 3/49 A (B) | INTERNATIONAL HARVESTER BD-144 A | differs |
| Displacement declared | 2.39 L | 2.35 L | — |
| Maximum torque declared | 101 lb·ft · 137 N·m | 97 lb·ft · 132 N·m | — |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 15.5 mph · 25 km/h | — |
| Clutch declared | Pedal-operated dry Borg & Beck single-plate clutch | Pedal-operated two-stage dry BORG & BECK double clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 5.4 gpm · 20.4 L/min | 6.6 gpm · 25.0 L/min | +23% 276 |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 3,228 lb · 1,464 kg | 3,741 lb · 1,697 kg | +16% 276 |
| Wheelbase declared | 75.0 in · 1,905 mm | 76.5 in · 1,943 mm | — |
| Length declared | 112.5 in · 2,858 mm | 121.3 in · 3,080 mm | +8% 276 |
| Width declared | 64.6 in · 1,641 mm | 74.0 in · 1,880 mm | +15% 276 |
| Ground clearance declared | 16.5 in · 419 mm | 13.7 in · 349 mm | +20% 770 Selematic |
| Turning radius, braked declared | 10.1 ft · 3.07 m | 10.4 ft · 3.16 m | — |
| Fuel tank declared | 38.5 qt · 36.4 L | 51.0 qt · 48.3 L | +33% 276 |
Height is not in this table. It is not one measurement: the sources measure it to different points — over the cab on some machines, over the steering wheel or the exhaust on others — and the same tractor measured two ways can differ by most of a metre. It appears here only when both machines' figures carry the point they were measured to and it is the same point, which is not the case for these two. Each machine's own page prints its height as its source gives it.
David Brown 770 Selematic sources
- Source: Traktorenlexikon, “David Brown 770”
International Harvester 276 sources
- Source: Traktorenlexikon, “McCormick 276”
- Source: Traktorenlexikon, “IHC 276”