Oliver OC-18
The Oliver OC-18 is a tractor produced by Oliver. It is equipped with a 895 ci 14.7 L engine. The listed engine power is Diesel (net): 161 hp / 120.1 kW. Transmission: 4 forward and 2 reverse. Drive type: crawler. Operating weight: 32500 lbs 14742 kg.
Engine Power
Diesel (net): 161 hp / 120.1 kW
Drive & Traction
crawler
Fuel & Capacities
66 gal
249.8 L
Transmission
4 forward and 2 reverse
Operating Weight
32500 lbs
14742 kg
Overview
 | 1952 - 1960
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Oliver |
Agricultural Crawler tractor | |
Built in Cleveland, Ohio, USA | |
Oliver OC-18 Engine | |
|---|---|
Hercules 14.7L 6-cyl diesel | |
Fuel tank | 66 gal
249.8 L |
Engine details ...  | |
Oliver OC-18 Transmission | |
|---|---|
4-speed gear | |
Transmission details ...  |
Oliver OC-18 Power | |
|---|---|
Engine (net) | 161 hp
120.1 kW |
Drawbar (claimed) | 133 hp
99.2 kW |
Belt (claimed) | 149 hp
111.1 kW |
Drawbar (tested) | 128.08 hp
95.5 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 32500 lbs
14742 kg |
22-inch tracks | |
Full dimensions and tracks ...  | |
Engine
Engine Detail — 895 ci / 14.7 L Diesel
Manufacturer | Hercules DFXE |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled vertical I-head |
Displacement | 895 ci
14.7 L |
Bore/Stroke | 5.625x6.00 inches
143 x 152 mm |
Power (net) | 161 hp
120.1 kW |
Air cleaner | oil bath |
Compression | 14.8:1 |
Rated RPM | 1500 |
Starter volts | 24 |
Coolant capacity | 62 qts
58.7 L |
Transmission
Transmission — 4 forward and 2 reverse gear
Type | gear |
Gears | 4 forward and 2 reverse |
Clutch | dry disc |
Oil capacity | 104 qts
98.4 L |
 | |
Dimensions
Oliver OC-18 Tracks | |
|---|---|
Width | 22 inches
55 cm |
Dimensions | |
|---|---|
Length | 167.9 inches
426 cm |
Width | 111.75 inches
283 cm |
Height (steering wheel) | 83 inches
210 cm |
Weight | 32500 lbs
14742 kg |
Gauge | 78 inches
198 cm |
Tests
Nebraska Tractor Test 489 | |
|---|---|
Diesel 4-speed crawer
November 10 - 24, 1952
Link: Nebraska Tractor Test 489 file | |
Drawbar performance | |
Max power | 128.08 hp
95.5 kW |
Gear 2 used for power test. | |
Max pull | 31028 lbs
14074 kg |
Gear 1 used for pull test. | |
Photos
Oliver OC-18
Oliver OC-18
Oliver OC-18
Recommended Implements & Sizing Guide
Engineering recommendations for Oliver OC-18 based on its 161 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 5 to 7 Bottom (18")5 - 7 铧 (45 cm) | Commercial / Field Scale | Large acreage tillage; requires front ballast weights. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
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 | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
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-18.
Estimated Continuous Field Runtime: 7.9 hrs
Approximately 7.9 hours of continuous field operation at ~75% rated power on a full tank (66 gal / 249.8 L).
Estimated 75% Load Fuel Burn~8.4 gal/hr (31.7 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-18 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Oliver OC-18.
Converted Equivalents:
Horsepower (HP)161 hp
Kilowatts (kW)120.1 kW
Metric Horsepower (PS / CV)163.2 PS
Direct Competitor Comparison
Compare Oliver OC-18 against same-era industry alternatives in the same horsepower class.
Current Model
Oliver
Oliver OC-18
Engine Power:Diesel (net): 161 hp / 120.1 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 1455
Engine Power:145
Production Years:1979 - 1981
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