| Manufacturer |
Chamberlain |
| Price |
- |
| Model |
55KA |
| Equipment Type |
Standard-Tread Tractors |
| Factory |
Welshpool, Australia |
ENGINE DETAIL
The Chamberlain 55KA tractor features a 7.0 L, two-cylinder kerosene engine with a low compression ratio of 4:1, which translates to moderate power output but contributes to stable operation at low RPMs (1200). Its thermosiphon cooling system is simple and effective, minimizing the complexity of maintenance but could be less efficient under heavy loads compared to modern systems. This tractor is well-suited for low-speed agricultural tasks, though its performance might be limited in high-demand scenarios due to the lower RPM and displacement compared to contemporary models.
| Description |
Chamberlain/kerosene/2-cylinder/liquid-cooled |
| Displacement |
430 ci/7.0 L |
| Bore/Stroke |
6.625x6.25 inches/168 x 159 mm |
| Cooling system |
thermosiphon |
| Compression |
4:1 |
| Rated RPM |
1200 |
| Starter volts |
12 |
CHAMBERLAIN 55KA ENGINE
The Chamberlain 55KA tractor features a robust 7.0L 2-cylinder kerosene engine, which offers efficient fuel combustion, making it suitable for longer operational periods without frequent refueling due to its substantial 27.6-gallon main fuel tank. The auxiliary fuel capacity of 4.2 gallons allows for added flexibility during extended tasks, enhancing productivity. However, the reliance on kerosene may limit availability in some regions and necessitate careful handling due to its volatility compared to diesel fuels.
| Description |
Chamberlain 7.0L 2-cyl kerosene |
| Fuel tank |
27.6 gal/104.5 L |
| Aux. fuel |
4.2 gal/15.9 L |
TRANSMISSION
The Chamberlain 55KA tractor features a 9 forward and 3 reverse gear transmission, providing versatile speed options for various agricultural tasks. This multi-gear system allows for enhanced maneuverability and control, particularly in tight spaces or challenging terrain. However, operators may face a learning curve when shifting between gears, which could impact efficiency if unfamiliar with the transmission dynamics.
| Transmission |
gear |
| Gears |
9 forward and 3 reverse |
MECHANICAL
The Chamberlain 55KA features a 4x2 2WD chassis, offering simplicity and reduced weight for agricultural tasks on flat terrain but limiting traction in adverse conditions. Its mechanical recirculating ball steering provides precision and reliability, albeit with less feedback compared to modern hydraulic systems. The 9-speed transmission allows versatility in speed and power management, making it suitable for varied applications, although manual shifting may require skill and attention in demanding situations.
| Chassis |
4x2 2WD |
| Steering |
mechanical - recirculating ball |
| Cab |
Open operator station. |
| Transmission |
9-speed |
POWER TAKE-OFF (PTO)
CHAMBERLAIN 55KA TIRES
The Chamberlain 55KA tractor is equipped with a front tire size of 7.50x18 and rear tires measuring 15.00x30, optimizing traction and stability for heavy agricultural tasks. The larger rear tires enhance soil penetration and are advantageous for pulling heavy implements, while the smaller front tires improve maneuverability. However, this tire combination may present challenges in muddy or uneven terrain, potentially affecting the tractor's overall weight distribution and handling performance.
| Ag front |
7.50x18 |
| Ag rear |
15.00x30 |
DIMENSIONS
| Wheelbase |
83 inches/210 cm |
| Length |
135 inches/342 cm |
| Width |
68 inches/172 cm |
| Height |
90 inches/228 cm |
| Weight |
9,150 lbs/4150 kg |
DIMENSIONS & TIRES
The Chamberlain 55KA's 83-inch wheelbase provides stability, essential for navigating uneven terrain, making it suitable for agricultural tasks. Weighing 9,150 lbs enhances traction but may reduce maneuverability in tighter spaces. The tire configuration, with larger rear tires, improves power transfer and load capacity while offering challenges in tire maintenance and fuel efficiency due to increased rolling resistance.
| Wheelbase |
83 inches/210 cm |
| Weight |
9,150 lbs/4150 kg |
| Front tire |
7.50x18 |
| Rear tire |
15.00x30 |
55KA SERIAL NUMBERS
| 6/1954 |
101 |
| 12/1954 |
215 |
| 12/1955 |
325 |
| Final |
365 |
