David Brown 30TD Specs ( 1953-1959 )
Overview
The David Brown 30TD is an agricultural crawler tractor produced between 1953 and 1959 in Meltham Mills, England. It is equipped with a 2.7L four-cylinder diesel engine rated at 36 hp and features a six-speed gear transmission. This model was available in multiple configurations including 48G and 56G variants with operating weights ranging from 8350 to 8450 pounds.
Ideal Applications
Ground Contact and Track Specifications:
The crawler drive system features a 60-inch contact length and a ground pressure rating of 5.4 psi over a total area of 1555 square inches.
Engine and Power Ratings:
The 165.1 cubic inch David Brown diesel engine is rated at 1800 RPM and provides a claimed 30 hp at the belt and 24.1 hp at the drawbar.
Transmission and PTO Configuration:
The mechanical layout consists of a 6-forward and 2-reverse gear transmission and a 540 rear PTO that operates at 516 RPM when the engine is at 1600 RPM.
Production
| Description | Agricultural Crawler tractor / Built in Meltham Mills, Huddersfield, England |
|---|---|
| Manufacturer | David Brown |
Engine
| Engine type | David Brown 2.7L 4-cyl diesel |
|---|---|
| Fuel tank | 17.4 gal (65.9 L) |
| Bore/Stroke | 3.625x4.00 inches (92 x 102 mm) |
| Coolant capacity | 16.8 qts (15.9 L) |
| Description | David Brown / diesel / 4-cylinder / liquid-cooled |
| Displacement | 165.1 ci (2.7 L) |
| Oil capacity | 12 qts (11.4 L) |
| Power | 36 hp (26.8 kW) |
| Rated RPM | 1800 |
| Starter | electric |
| Starter volts | 12 |
| Belt (claimed) | 30 hp (22.4 kW) |
| Drawbar (claimed) | 24.1 hp (18.0 kW) |
Transmission
| Clutch | 254mm dry disc |
|---|---|
| Gears | 6 forward and 2 reverse |
| Oil capacity | 45.6 qts (43.2 L) |
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive | crawler |
PTO
| Engine RPM | 516@1600 |
|---|---|
| Rear PTO Type | 540 (1.375) |
Dimensions & Tires
| 48G Width | 63 inches (160 cm) |
|---|---|
| 56G Width | 71 inches (180 cm) |
| Gauge | 48 inches (121 cm) / 56 inches (142 cm) |
| Height (hood) | 56 inches (142 cm) |
| Length | 113 inches (287 cm) |
David Brown 30TD Tracks
| Area on ground | 1555 in² (1.0 m²) |
|---|---|
| Ground pressure | 5.4 psi (0.4 bar) |
| Length on ground | 60 inches (152 cm) |
| Width | 13 inches (33 cm) / 16 inches (40 cm) |
David Brown 30TD Weight
| 48G Operating | 8350 lbs (3787 kg) |
|---|---|
| 48G Shipping | 8050 lbs (3651 kg) |
| 56G Operating | 8450 lbs (3832 kg) |
| 56G Shipping | 8150 lbs (3696 kg) |
Dimensions & Tracks
| Description | 13-inch tracks |
|---|---|
| Weight | 8050 to 8450 pounds |
References
| Description | 30 ITD Industrial Track-Type Tractor published in 1956, by David Brown |
|---|
Variants
| 30ITD | industrial |
|---|---|
| 30T | gasoline |
| 30TD | diesel |