The David Brown 30TD is an agricultural crawler manufactured by David Brown in Meltham Mills, Huddersfield, England from 1953 to 1959. The David Brown 30TD is equipped with a 2.7 L (165.0 cu·in) four-cylinder diesel engine and a gear-type transmission with dry disc clutch and 6 forward and 2 reverse gears.
The David Brown 30TD agricultural crawler used the David Brown engine. It is a 2.7 L, 2,704 cm2, (165.0 cu·in) four-cylinder natural aspirated diesel engine with 92.0 mm (3.62 in) of the cylinder bore and 102.0 mm (4.02 in) of the piston stroke. This engine produced 36.4 PS (26.8 kW; 36.0 HP) of output power.
David Brown 30TD Specifications
| General Specifications | |
| Model | David Brown 30TD |
| Length | 2,870 mm (113 in) |
| Width | – |
| Height | 1,420 mm (55.9 in) |
| Wheel base | – |
| Weight | 3,670 kg (8,091 lbs) |
| Fuel tank capacity | 66.0 liters (17.4 US gal.; 14.5 Imp. gal) |
| Battery | 12V, 120Ah |
| Cabin type | Open operator station |
| Engine | |
| Engine model | David Brown |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 2.7 L, 2,704 cm2, (165.0 cu·in) |
| Bore and stroke | 92.0 mm X 102.0 mm (3.62 in X 4.02 in) |
| Horsepower | 36.4 PS (26.8 kW; 36.0 HP) |
| Starter | Electric |
| Oil capacity: | 11.4 L (12 US. qt, 10 Imp. qt.) |
| Coolant capacity: | 15.9 L (16.8 US. qt, 14 Imp. qt.) |
| Transmission and chassis | |
| Chassis | Crawler |
| Steering type | – |
| Brakes | – |
| Transmission model | – |
| Transmission type | Gear type with dry disc clutch |
| Gears | 6 forward and 2 reverse |
| Speed | Forward: 9.5 kmh (5.9 mph) Reverse: 4.7 (2.9 mph) |
| Transmission oil capacity | 43.2 L (11.4 US. gal, 9.5 Imp. gal.) |
| Tracks | |
| Track | 13-inch tracks |

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