Oliver 2050
The Oliver 2050 is a tractor produced by Oliver. It is equipped with a 478 ci 7.8 L engine. The listed engine power is 118.78 hp 88.6 kW. Transmission: Hydraul-Shift. Operating weight: 14540 lbs 6595 kg.
Engine Power
118.78 hp
88.6 kW
Fuel & Capacities
27.5 gal
104.1 L
Transmission
Hydraul-Shift
Operating Weight
14540 lbs
6595 kg
Overview
 | 1968 - 1969
50 SeriesRow-Crop tractor
50 Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Oliver |
Row-Crop tractor | |
Built in Charles City, Iowa, USA | |
Total built | 383 |
Original price was $12,000 in 1969 | |
Oliver 2050 Engine | |
|---|---|
Oliver-Hercules 7.8L 6-cyl diesel | |
Fuel tank | 27.5 gal
104.1 L |
78 gal*Capacity of optional fender-mounted fuel tanks.
295.2 L | |
Engine details ...  | |
Oliver 2050 Power | |
|---|---|
PTO (claimed) | 118 hp
88.0 kW |
Drawbar (tested) | 96.36 hp
71.9 kW |
PTO (tested) | 118.78 hp
88.6 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Final drives | planetary |
Power steering | |
Independent disc brakes | |
Open operator station. Cab optional with air-conditioning. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2050 psi
141.3 bar |
Valves | 2 to 4 |
Pump flow | 9 gpm
34.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | III |
Control | position and draft control |
Rear lift (at 24"/610mm) | 6000 lbs
2721 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
540/1000 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 97.7 inches
248 cm |
Weight | 14540 lbs
6595 kg |
Front tire | 11.00-16 |
Rear tire | 18.4-38 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
2050/2150 - Big whisper-quiet diesels published in 1968, by Oliver |
Engine
Engine Detail — 478 ci / 7.8 L Diesel
Manufacturer | Oliver-Hercules |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 478 ci
7.8 L |
Bore/Stroke | 4.5625x4.875 inches
116 x 124 mm |
Air cleaner | dry |
Compression | 18.0:1 |
Rated RPM | 2400 |
Firing order | 1-5-3-6-2-4 |
Starter volts | 12 |
Oil capacity | 19 qts
18.0 L |
Coolant capacity | 28 qts
26.5 L |
Transmission
Transmission options | |
|---|---|
6-speed unsynchronized gear | |
18-speed partial powershift |
Transmission — 6 forward and 2 reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 6 forward and 2 reverse |
Clutch | 330mm cerametallic disc |
With 18.4-38 rear tires. | |
 | |
Transmission — Hydraul-Shift
Transmission | Hydraul-Shift |
Type | partial powershift |
Gears | 18 forward and 6 reverse |
Clutch | 330mm cerametallic disc |
Oliver Hydraul-Shift provides a clutchless, on-the-move shift to an over- and under-drive for each of six forward gears. | |
 | |
Dimensions
Oliver 2050 Tires | |
|---|---|
Ag front | 11.00-16 |
Ag rear | 18.4-38 |
23.1-34 | |
24.5-32 | |
Dimensions | |
|---|---|
Wheelbase | 97.7 inches
248 cm |
Length | 162.3 inches
412 cm |
Height (steering wheel) | 85.5 inches
217 cm |
Operating weight | 14540 lbs
6595 kg |
Ballasted weight | 18890 lbs
8568 kg |
Ground clearance | 18.9 inches
48 cm |
2WD Front tread | 60 to 80 inches
152 to 203 cm |
4WD Front tread | 66/70.75/80 inches
167/179/203 cm |
2WD Rear tread | 61 to 91 inches
154 to 231 cm |
4WD Rear tread | 61.5 to 111.5 inches
156 to 283 cm |
Tests
Nebraska Tractor Test 987 | |
|---|---|
Diesel 18-speed 2WD
September 23 - October 7, 1968
Link: Nebraska Tractor Test 987 file | |
PTO performance | |
Power at rated engine speed | 118.78 hp
88.6 kW |
Fuel use | 7.5 gal/hour
28.4 l/hour |
Drawbar performance | |
Max power | 96.36 hp
71.9 kW |
Fuel use | 7.6 gal/hour
28.8 l/hour |
Gear 4-under used for power test. | |
Max pull | 13,222 lbs
5997 kg |
Gear 1-over used for pull test. | |
Photos
Oliver 2050, left side.
Oliver 2050, front view.
Recommended Implements & Sizing Guide
Engineering recommendations for Oliver 2050 based on its 118.78 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 2050.
Estimated Continuous Field Runtime: 4.5 hrs
Approximately 4.5 hours of continuous field operation at ~75% rated power on a full tank (27.5 gal / 104.1 L).
Estimated 75% Load Fuel Burn~6.2 gal/hr (23.4 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 2050 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Oliver 2050.
Converted Equivalents:
Horsepower (HP)118.8 hp
Kilowatts (kW)88.6 kW
Metric Horsepower (PS / CV)120.4 PS
Direct Competitor Comparison
Compare Oliver 2050 against same-era industry alternatives in the same horsepower class.
Current Model
Oliver
Oliver 2050
Engine Power:118.78 hp
88.6 kW
★ Baseline Reference
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