Chamberlain
Chamberlain 306
The Chamberlain 306 is a standard-tread tractor produced from 1966 to 1969 as part of the Champion Series. Built in Welshpool, Australia, it features a Perkins 5.0L 6-cylinder liquid-cooled diesel engine delivering 70 hp (52.2 kW). The tractor has a 9-speed gear transmission with 9 forward and 3 reverse gears, manual steering, and two-wheel drive. It offers an open operator station with an optional cab. The PTO is live with a 540 RPM rear PTO type. Tires are 7.50x18 front and 18.4x30 rear. The tractor weighs 7800 lbs (3538 kg) and includes optional rear hitch type II. The Chamberlain 306 succeeded the Champion 9G and was followed by the C670 model.
Power70 hp
Founded1966 - 1969
Model306
Technical Specifications
Detailed specifications and technical data for Chamberlain 306
Power
| Engine power | 70 hp (52.2 kW) |
|---|---|
| PTO (claimed) | 58 hp (43.3 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Perkins 6.306 |
| Power | 70 hp (52.2 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 6-cylinder |
| Fuel tank | 28.8 gal (109.0 L) |
| Rated RPM | 2000 |
| Bore/Stroke | 3.60x5.00 inches (91 x 127 mm) |
| Fuel system | direct injection |
| Pre-heating | thermostart |
| Displacement | 306 ci (5.0 L) |
| Starter volts | 12 |
Dimensions
| Weight | 7800 lbs (3538 kg) |
|---|---|
| Rear tire | 18.4x30 |
| Front tire | 7.50x18 |
| Clearance (front axle) | 17.5 inches (44 cm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Steering | Manual steering |
| Operator station | Open operator station. Cab optional. |
Production
| Type | Standard-tread tractor |
|---|---|
| Series | Champion Series |
| Built in | Welshpool, Australia |
| Years produced | 1966 - 1969 |
Belt Pulley
| RPM | 1600 |
|---|---|
| Speed | 3100 ft/min (944.88 meters/min) |
| Width | 6.25 inches (15 cm) |
| Diameter | 10.25 inches (26 cm) |
Transmission
| Type | gear |
|---|---|
| Gears | 9 forward and 3 reverse |
| Clutch | 355.6mm dry disc |
| Description | Three gears (1-3), plus reverse (R) in three ranges (low, intermediate, high). |
Tractor hitch
| Rear Type | II (optional) |
|---|
Serial Numbers
| 1966 | 1001 (306D), 5001 (306L) |
|---|---|
| 1967 | 1610 (306D), 5198 (306L) |
| 1968 | 2281 (306D), 5965 (306L) |
| 1969 | 2957 (306D), 6722 (306L) |
| 1970 | 3480 (306D), 7466 (306L) |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Engine RPM | 540@1600 |
| Rear PTO Type | 540 (1.375) |
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