Cockshutt
Cockshutt 550
The Cockshutt 550 is a utility tractor produced from 1962 to 1975, built in Charles City, Iowa, USA. It shares its design with the Oliver 550. It features a 2.5L 4-cylinder Oliver engine available in gasoline and diesel versions, a 6-speed gear transmission with 2 reverse speeds, and power outputs of approximately 35 hp drawbar and 41 hp PTO. The tractor has two-wheel drive, power assist steering, and differential mechanical dry disc brakes. It has an open operator station and uses an independent rear PTO with 540/1000 RPM options. The tractor weighs between 3070 and 3730 pounds depending on configuration and has a fuel capacity of 13 gallons. Tires are sized 6.00-16 front and 12-26 rear. The Cockshutt 550 is related to the Cockshutt 660 model and earlier versions of the 550 from 1958-1961.
Power46 hp[P]
Founded1962 - 1975
Model550
Technical Specifications
Detailed specifications and technical data for Cockshutt 550
Power
| PTO (tested) | 41.39 hp (30.9 kW) |
|---|---|
| PTO (claimed) | 41.39 hp (30.9 kW) |
| Drawbar (tested) | 35.36 hp (26.4 kW) |
| Drawbar (claimed) | 35.3 hp (26.3 kW) |
Engine
| Options | Oliver 2.5L 4-cyl gasoline, Oliver 2.5L 4-cyl diesel |
|---|---|
| Rated RPM | 2000 |
| Air cleaner | oil bath |
| Bore/Stroke | 3.62x3.75 inches (92 x 95 mm) |
| Compression | 7.75:1 |
| Displacement | 155 ci (2.5 L) |
| Oil capacity | 4 qts (3.8 L) |
| Oliver diesel | 4-cylinder, liquid-cooled |
| Starter volts | 12 |
| Oliver gasoline | 4-cylinder, liquid-cooled |
| Rated RPM diesel | 2000 |
| Air cleaner diesel | oil bath |
| Bore/Stroke diesel | 3.625x3.75 inches (92 x 95 mm) |
| Compression diesel | 16:1 |
| Displacement diesel | 155 ci (2.5 L) |
| Starter volts diesel | 12 |
Weight
| Operating | 3730 lbs (1691 kg) |
|---|---|
| Gas Shipping | 3070 lbs (1392 kg) |
| Diesel Shipping | 3170 lbs (1437 kg) |
Capacity
| Fuel | 13 gal (49.2 L) |
|---|---|
| Hydraulic system | 2.5 gal (9.5 L) |
Electrical
| Ground | positive |
|---|---|
| Batteries | 2 (diesel), 1 (gas) |
| Battery volts | 6 (diesel), 12 (gas) |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 2.5 gal (9.5 L) |
| Pump flow | 5.25 gpm (19.9 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Differential mechanical dry disc brakes |
| Steering | power assist |
| Operator station | Open operator station |
Production
| Type | Utility tractor |
|---|---|
| Built in | Charles City, Iowa, USA |
| Total built | 20,368 (Oliver), 3,915 (Cockshutt) |
| Original price | $4,400 in 1975 |
| Years produced | 1962 - 1975 |
Transmission
| Type | gear |
|---|---|
| Gears | 6 forward and 2 reverse |
| Clutch | dry disc |
| Oil capacity | 20 qts (18.9 L) |
Tractor hitch
| Rear Type | I |
|---|
Dimensions & Tires
| Length | 119.9 inches (304 cm) |
|---|---|
| Rear tire | 12-26 |
| Wheelbase | 72.9 inches (185 cm) |
| Front tire | 6.00-16 |
| Rear tread | 48 to 76 inches (121 to 193 cm) |
| Front tread | 48 to 76 inches (121 to 193 cm) |
| Height (hood) | 50.1 inches (127 cm) |
| Height (steering wheel) | 58 inches (147 cm) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 |