Overview
The Oliver OC-15 is a diesel-powered agricultural crawler tractor produced in Cleveland, Ohio, between 1956 and 1961 with a total production run of 585 units. It features an 8.7L 6-cylinder Hercules engine and was tested at a maximum operating weight of 17,335 lbs.
Ideal Applications
Nebraska Test Performance:
During Nebraska Tractor Test 633, the OC-15 achieved a maximum drawbar pull of 17,218 lbs and recorded a tested belt power of 101.97 hp.
Transmission and Drive Configuration:
The mechanical drive system utilizes 16-inch tracks, a 355.6mm mechanical dry disc clutch, and a 4-speed gear transmission providing four forward and two reverse gears.
Engine and Fuel Specifications:
The liquid-cooled Hercules DRXC engine operates with a 15:1 compression ratio and is supported by a 46-gallon fuel tank and a 24-volt electric starter.
Production
| Description | Agricultural Crawler tractor / Built in Cleveland, Ohio, USA |
|---|---|
| Manufacturer | Oliver |
| Total built | 585 |
Engine
| Engine type | Hercules 8.7L 6-cyl diesel |
|---|---|
| Fuel tank | 46 gal (174.1 L) |
| Bore/Stroke | 4.625x5.25 inches (117 x 133 mm) |
| Compression | 15:1 |
| Coolant capacity | 42 qts (39.7 L) |
| Description | Hercules DRXC / diesel / 6-cylinder / liquid-cooled vertical I-head |
| Displacement | 529 ci (8.7 L) |
| Power (net) | 110 hp (82.0 kW) |
| Rated RPM | 1500 |
| Starter | electric |
| Starter volts | 24 |
| Belt (claimed) | 89 hp (66.4 kW) |
| Belt (tested) | 101.97 hp (76.0 kW) |
| Drawbar (claimed) | 71 hp (52.9 kW) |
| Drawbar (tested) | 91.07 hp (67.9 kW) |
| Engine (net) | 110 hp (82.0 kW) |
Transmission
| Clutch | 355.6mm mechanical dry disc |
|---|---|
| Gears | 4 forward and 2 reverse |
| Transmission type | 4-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical contracting band brakes |
| Drive | crawler |
Dimensions & Tires
| Height (hood) | 70.75 inches (179 cm) |
|---|---|
| Length | 128 inches (325 cm) |
| Operating weight | 17335 lbs (7863 kg) |
| Shipping weight | 16835 lbs (7636 kg) |
| Width | 95 inches (241 cm) |
Dimensions & Tracks
| Description | 16-inch tracks |
|---|---|
| Weight | 16835 to 17335 pounds |
Nebraska Tractor Test 633
| Belt fuel use (max) | 7.5 gal/hour (28.4 l/hour) |
|---|---|
| Belt power (max) | 101.97 hp (76.0 kW) |
| Description | Diesel 4-speed crawlerNovember 4 - 9, 1957Link: Nebraska Tractor Test 633 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 91.07 hp (67.9 kW) |
| Max pull | 17218 lbs (7810 kg) |
Oliver OC-15 Tracks
| Width | 16 inches (40 cm) |
|---|
Oliver OC-15 attachments
| Description | blade |
|---|
References
| Description | The Powerful Oliver OC-15 published in 1958 |
|---|
Variants
| OC-15 | crawler |
|---|---|
| OC-156 | track-loader |