Oliver
OC-4 Alfta Track
Farm tractor · 1957–1965 · 30 hp
OliverOC-4 Alfta Track
The Oliver OC-4 Alfta Track is a farm tractor manufactured from 1957 to 1965. It features a Hercules 2.1L 3-cylinder diesel engine. The transmission is a gear type with 4 forward and 1 reverse.
Engine
| Engine | Hercules 2.1L 3-cylinder diesel |
|---|---|
| Fuel Type | diesel |
| Cylinders | 3 |
| Cooling | liquid-cooled |
| Displacement | 130 ci (2.1 L) |
| Bore | 3.5 in (89 mm) |
| Stroke | 4.5 in (114 mm) |
| Compression Ratio | 14.5 |
| Power Gross | 30.45 hp (22.7 kW) |
| Power Rated | 30.45 hp (22.7 kW) |
| Air Cleaner | oil bath |
| Starter Type | electric |
| Manufacturer | Hercules |
| Rated | 1,700 RPM |
Transmission
| Transmission Type | gear |
|---|---|
| Gears | 4 forward and 1 reverse |
| Clutch | 215.9mm dry discs |
| Available Options | 4-speed gear, 8-speed creeper |
PTO
| Rear Type | 540 (1.375) |
|---|
Dimensions
| Length | 106 in (269 cm) |
|---|---|
| Width | 69 in (175 cm) |
| Height | 73 in (185 cm) |
Weight
diesel
| Weight | 5,225 lbs |
|---|---|
| Operating | 5,360 lbs (2,431 kg) |
gas
| Operating | 5,225 lbs (2,370 kg) |
|---|
Tires & Tracks
| Track Width | 19 in (48 cm) |
|---|