Chamberlain 55DA
The Chamberlain 55DA is a standard-tread farm tractor produced by Chamberlain in Welshpool, Australia from 1954 to 1957. It features a 6.6L 2-cylinder liquid-cooled horizontally-opposed diesel engine producing 52 hp at the drawbar and 54.6 hp at the belt. The tractor has a 9-speed gear transmission with 9 forward and 3 reverse gears, two-wheel drive, manual steering, and mechanical brakes. It has a wheelbase of 83 inches, weighs 9000 lbs, and uses 8.25x20 front tires and 18x26 rear tires. The 55DA variant is the diesel engine model, related to the 55KA kerosene engine variant.
Power60 hp[B]
Founded1954 - 1957
Model55DA
Technical Specifications
Detailed specifications and technical data for Chamberlain 55DA
Power
| Belt (claimed) | 54.6 hp (40.7 kW) |
|---|---|
| Drawbar (claimed) | 52 hp (38.8 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Chamberlain 6.6L 2-cyl diesel |
| Aux. fuel | 1.2 gal (4.5 L) |
| Cylinders | 2-cylinder |
| Fuel tank | 36 gal (136.3 L) |
| Rated RPM | 1200 |
| Bore/Stroke | 6.375x6.25 inches (162 x 159 mm) |
| Displacement | 400 ci (6.6 L) |
| Configuration | liquid-cooled horizontally-opposed |
| Starter volts | 12 |
| Cooling system | thermosiphon |
| Compression ratio | 13:1 |
Variants
| 55DA | diesel engine |
|---|---|
| 55KA | kerosene engine |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical brakes |
| Steering | Manual steering |
| Final drives | bull gears |
| Operator station | Open operator station |
Production
| Type | Standard-tread tractor |
|---|---|
| Built in | Welshpool, Australia |
| Total built | 341 |
| Manufacturer | Chamberlain |
| Years produced | 1954 - 1957 |
Belt Pulley
| RPM | 810 |
|---|---|
| Speed | 2740 ft/min (835.15 meters/min) |
| Width | 7 inches (17 cm) |
| Diameter | 13 inches (33 cm) |
Transmission
| Type | gear |
|---|---|
| Gears | 9 forward and 3 reverse |
| Speeds | 9-speed gear |
Serial Numbers
| Final | 441 |
|---|---|
| 1/1955 | 110 |
| 6/1954 | 101 |
| 7/1956 | 431 |
| 12/1955 | 281 |
Dimensions & Tires
| Width | 68 inches (172 cm) |
|---|---|
| Height | 90 inches (228 cm) |
| Length | 135 inches (342 cm) |
| Weight | 9000 lbs (4082 kg) |
| Rear tire | 18x26 |
| Wheelbase | 83 inches (210 cm) |
| Front tire | 8.25x20 |
Power Take-off (PTO)
| Rear PTO Type | 540 (1.375) |
|---|
