Oliver OC-15
The Oliver OC-15 is a tractor produced by Oliver. It is equipped with a 529 ci 8.7 L engine. The listed engine power is Diesel (net): 110 hp / 82.0 kW. Transmission: 4 forward and 2 reverse. Drive type: crawler. Operating weight: 16835 to 17335 pounds.
Engine Power
Diesel (net): 110 hp / 82.0 kW
Drive & Traction
crawler
Fuel & Capacities
46 gal
174.1 L
Transmission
4 forward and 2 reverse
Operating Weight
17335 lbs
7863 kg
Overview
 | 1956 - 1961
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Oliver |
Agricultural Crawler tractor | |
Built in Cleveland, Ohio, USA | |
Total built | 585 |
Variants | |
|---|---|
OC-15 | crawler |
OC-156 | track-loader |
Oliver OC-15 Engine | |
|---|---|
Hercules 8.7L 6-cyl diesel | |
Fuel tank | 46 gal
174.1 L |
Engine details ...  | |
Oliver OC-15 Transmission | |
|---|---|
4-speed gear | |
Transmission details ...  |
Oliver OC-15 Power | |
|---|---|
Engine (net) | 110 hp
82.0 kW |
Drawbar (claimed) | 71 hp
52.9 kW |
Belt (claimed) | 89 hp
66.4 kW |
Drawbar (tested) | 91.07 hp
67.9 kW |
Belt (tested) | 101.97 hp
76.0 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Mechanical contracting band brakes | |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 16835 to 17335 pounds |
16-inch tracks | |
Full dimensions and tracks ...  | |
References | |
|---|---|
 | |
The Powerful Oliver OC-15 published in 1958 |
Engine
Engine Detail — 529 ci / 8.7 L Diesel
Manufacturer | Hercules DRXC |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled vertical I-head |
Displacement | 529 ci
8.7 L |
Bore/Stroke | 4.625x5.25 inches
117 x 133 mm |
Power (net) | 110 hp
82.0 kW |
Compression | 15:1 |
Rated RPM | 1500 |
Starter | electric |
Starter volts | 24 |
Coolant capacity | 42 qts
39.7 L |
Oliver OC-15 Engine | |
|---|---|
 |
Transmission
Transmission — 4 forward and 2 reverse gear
Type | gear |
Gears | 4 forward and 2 reverse |
Clutch | 355.6mm mechanical dry disc |
 | |
Dimensions
Oliver OC-15 Tracks | |
|---|---|
Width | 16 inches
40 cm |
Dimensions | |
|---|---|
Length | 128 inches
325 cm |
Width | 95 inches
241 cm |
Height (hood) | 70.75 inches
179 cm |
Shipping weight | 16835 lbs
7636 kg |
Operating weight | 17335 lbs
7863 kg |
Tests
Nebraska Tractor Test 633 | |
|---|---|
Diesel 4-speed crawler
November 4 - 9, 1957
Link: Nebraska Tractor Test 633 file | |
Belt power (max) | 101.97 hp
76.0 kW |
Belt fuel use (max) | 7.5 gal/hour
28.4 l/hour |
Drawbar performance | |
Max power | 91.07 hp
67.9 kW |
Gear 2 used for power test. | |
Max pull | 17218 lbs
7810 kg |
Gear 1 used for pull test. | |
Photos
Oliver OC-15
Recommended Implements & Sizing Guide
Engineering recommendations for Oliver OC-15 based on its 110 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Oliver OC-15.
Estimated Continuous Field Runtime: 8 hrs
Approximately 8 hours of continuous field operation at ~75% rated power on a full tank (46 gal / 174.1 L).
Estimated 75% Load Fuel Burn~5.7 gal/hr (21.7 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Oliver OC-15 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Oliver OC-15.
Converted Equivalents:
Horsepower (HP)110 hp
Kilowatts (kW)82 kW
Metric Horsepower (PS / CV)111.5 PS
Direct Competitor Comparison
Compare Oliver OC-15 against same-era industry alternatives in the same horsepower class.
Current Model
Oliver
Oliver OC-15
Engine Power:Diesel (net): 110 hp / 82.0 kW
★ Baseline Reference
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