| Manufacturer |
Chamberlain |
| Price |
- |
| Model |
55DA |
| Equipment Type |
Standard-Tread Tractors |
| Factory |
Welshpool, Australia |
CHAMBERLAIN 55DA POWER
| Drawbar (claimed) |
52 hp/38.8 kW |
| Belt (claimed) |
54.6 hp/40.7 kW |
ENGINE DETAIL
The Chamberlain 55DA features a 2-cylinder, horizontally-opposed diesel engine with a substantial displacement of 6.6 L, providing significant torque for demanding agricultural tasks. Its thermosiphon cooling system offers simplicity and reliability, although it may be less efficient than modern forced cooling systems. With a compression ratio of 13:1, this tractor can achieve good fuel efficiency at its rated 1200 RPM, making it suitable for low-speed, high-torque applications typical in farming settings.
| Description |
Chamberlain/diesel/2-cylinder/liquid-cooled horizontally-opposed |
| Displacement |
400 ci/6.6 L |
| Bore/Stroke |
6.375x6.25 inches/162 x 159 mm |
| Cooling system |
thermosiphon |
| Compression |
13:1 |
| Rated RPM |
1200 |
| Starter volts |
12 |
CHAMBERLAIN 55DA ENGINE
The Chamberlain 55DA features a robust 6.6L 2-cylinder diesel engine, providing substantial torque and efficiency for heavy-duty tasks. With a fuel tank capacity of 36 gallons (136.3 L) and an auxiliary fuel tank of 1.2 gallons (4.5 L), it offers extended operational range, making it suitable for long-duration fieldwork. However, the 2-cylinder configuration may limit its power output compared to multi-cylinder engines, potentially affecting performance in high-demand applications.
| Description |
Chamberlain 6.6L 2-cyl diesel |
| Fuel tank |
36 gal/136.3 L |
| Aux. fuel |
1.2 gal/4.5 L |
TRANSMISSION
The Chamberlain 55DA tractor features a gear type transmission with 9 forward and 3 reverse gears, allowing for enhanced flexibility and control across varied terrains. This setup is advantageous for tasks requiring precise speed adjustments, such as plowing or towing, while the three reverse gears facilitate maneuverability in tight spaces. Challenges may arise in maintenance due to the complexity of the gearing mechanism, necessitating regular checks to ensure optimal performance.
| Type |
gear |
| Gears |
9 forward and 3 reverse |
MECHANICAL
The Chamberlain 55DA features a 4x2 2WD chassis, which offers simplicity and ease of maintenance but may limit traction in challenging terrains. Its mechanical brakes and manual steering provide straightforward operation, though they require more physical effort and may not offer the responsiveness of hydraulic systems. The 9-speed transmission allows for versatility in various agricultural tasks, enabling operators to optimize power delivery for different workloads, but requires skill to manage shifting effectively.
| Chassis |
4x2 2WD |
| Final drives |
bull gears |
| Steering |
manual |
| Brakes |
mechanical |
| Cab |
Open operator station. |
| Transmission |
9-speed gear |
POWER TAKE-OFF (PTO)
CHAMBERLAIN 55DA TIRES
The Chamberlain 55DA tractor features a robust tire configuration with agricultural fronts (8.25x20) and rears (18x26), which enhances traction in various farming conditions. The larger rear tires provide better weight distribution and stability, improving plowing and towing performance. However, the size might limit maneuverability in tighter spaces; suitable for larger fields or operations needing greater drawbar power.
| Ag front |
8.25x20 |
| Ag rear |
18x26 |
DIMENSIONS
| Wheelbase |
83 inches/210 cm |
| Length |
135 inches/342 cm |
| Width |
68 inches/172 cm |
| Height |
90 inches/228 cm |
| Weight |
9000 lbs/4082 kg |
DIMENSIONS & TIRES
The Chamberlain 55DA tractor features a relatively compact wheelbase of 83 inches, enhancing maneuverability in tight spaces. Weighing 9000 lbs, its substantial mass provides stability during operations, particularly in fieldwork; however, this weight may challenge transportability and require robust trailers. The tire specifications allow for versatile performance, with front tires optimized for steering control and rear tires designed for traction, suitable for both agricultural and industrial tasks.
| Wheelbase |
83 inches/210 cm |
| Weight |
9000 lbs/4082 kg |
| Front tire |
8.25x20 |
| Rear tire |
18x26 |
55DA SERIAL NUMBERS
| 6/1954 |
101 |
| 1/1955 |
110 |
| 12/1955 |
281 |
| 7/1956 |
431 |
| Final |
441 |
BELT PULLEY
| Diameter |
13 inches/33 cm |
| Width |
7 inches/17 cm |
| RPM |
810 |
| Speed |
2740 ft/min/835.15 meters/min |
