Introduction
Chamberlain Countryman Agricultural Tractor
The Chamberlain Countryman is a standard-tread agricultural tractor manufactured in Welshpool, Australia, between 1958 and 1962. Designed as a robust utility machine, it served the needs of the agricultural sector during a period of significant mechanization.
Engine and Performance
The tractor is powered by a liquid-cooled Meadows 4DC330 four-cylinder diesel engine. With a displacement of 5.4 liters and a compression ratio of 16:1, the engine produces 76 horsepower (56.7 kW) at a rated speed of 1800 RPM. The bore and stroke dimensions are 120 mm by 120 mm, ensuring consistent torque for field operations.
Transmission and Drivetrain
The drivetrain features a two-wheel-drive configuration paired with a gear-type transmission. It offers nine forward speeds and three reverse speeds, organized into three ranges. The power is managed via a 355.6 mm dry disc clutch, allowing for versatility across various agricultural tasks.
Hydraulics and Power Take-Off
Equipped with an independent rear power take-off (PTO), the system operates at 540 RPM at an engine speed of 1600 RPM. The hydraulic system provides a total flow of 7.7 gallons per minute (29.1 liters per minute), supporting the operation of mounted implements.
Dimensions and Handling
The Countryman has a wheelbase of 219 cm and an overall length of 370 cm. With a total weight of 4082 kg and a ground clearance of 45 cm, the machine is built for stability on uneven terrain. It utilizes 8.25x20 front agricultural tires and 15x30 rear agricultural tires, and features internal expanding brakes for stopping power. The operator station is of the open type.
Conclusion
The Chamberlain Countryman is a durable and functional tractor suited for heavy-duty agricultural labor. Its straightforward mechanical design and reliable diesel power make it a representative model of mid-20th-century Australian tractor engineering, favored by those requiring a stable, high-traction machine.
Production Information of Chamberlain, Countryman
- Standard-tread tractor
- Built in Welshpool, Australia
| Manufacturer | Chamberlain |
|---|
Dimension and Tires Information of Chamberlain, Countryman
| Wheelbase | 86.5 inches [219 cm] |
|---|---|
| Weight | 9000 lbs [4082 kg] |
| Height (steering wheel) | 70.5 inches [179 cm] |
| Length | 146 inches [370 cm] |
| Ground clearance | 18 inches [45 cm] |
| Width | 88 inches [223 cm] |
| Ag front | 8.25x20 |
|---|---|
| Ag rear | 15x30 |
Engine Specifications of Chamberlain, Countryman
- Meadows 4DC330
- Liquid-cooled
- Diesel
- 4-cylinder
| Power | 76 hp [56.7 kW] |
|---|---|
| Displacement | 332 ci [5.4 L] |
| Compression | 16:1 |
| Bore/Stroke | 4.724x4.724 inches [120 x 120 mm] |
| Starter volts | 12 |
| Rated RPM | 1800 |
Transmission Information of Chamberlain, Countryman
Transmission variants 1
- Three gears, plus reverse, in three ranges.
| Type | Gear |
|---|---|
| Gears | 9 forward and 3 reverse |
| Clutch | 355.6mm dry disc |
Mechanical Specs of Chamberlain, Countryman
- Two-wheel drive
- Internal expanding brakes
- Open operator station.
Power Information of Chamberlain, Countryman
| Rear PTO | Indepenent |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@1600 |
Hydraulics Specifications of Chamberlain, Countryman
| Total flow | 7.7 gpm (MkIII) [29.1 lpm] |
|---|
Where it sits
Its power puts it in the 93th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Chamberlain Countryman have?
The Chamberlain Countryman delivers 76 HP.
What years was the Chamberlain Countryman produced?
The Chamberlain Countryman was produced in 1958-1962.
What engine does the Chamberlain Countryman have?
The Chamberlain Countryman is powered by a Diesel, 4-cylinder engine.
What transmission does the Chamberlain Countryman use?
The Chamberlain Countryman uses a Gear transmission.
How much does the Chamberlain Countryman weigh?
The Chamberlain Countryman weighs 9000 lbs [4082 kg].
Is the Chamberlain Countryman 4WD?
The Chamberlain Countryman is available in 2WD.