Oliver 990
The Oliver 990 is a tractor produced by Oliver. It is equipped with a 213 ci 3.5 L engine. Transmission: 6 forward and 2 reverse. Operating weight: 11,000 lbs 4989 kg.
Fuel & Capacities
6.3 gal/hour
23.8 l/hour
Transmission
6 forward and 2 reverse
Operating Weight
11,000 lbs
4989 kg
Overview
 | 1958 - 1961
900 SeriesStandard-tread tractor
900 Series
Standard-tread tractor |
|---|
Production | |
|---|---|
Manufacturer | Oliver |
Standard-tread tractor | |
Built in Charles City, Iowa, USA | |
Original price was $8,200 in 1961 | |
The Oliver 990 was also sold as the Massey Ferguson 98 (with different sheet metal, paint, and seat). | |
Variants | |
|---|---|
990 | gear drive |
995 | torque converter |
Oliver 990 Engine | |
|---|---|
General Motors 3.5L 3-cyl diesel | |
Engine details ...  |
Oliver 990 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Oliver 990 Power | |
|---|---|
Drawbar (claimed) | 61.4 hp
45.8 kW |
PTO (claimed) | 84.1 hp
62.7 kW |
Plows | 6 |
Drawbar (tested) | 61.46 hp
45.8 kW |
Belt (tested) | 84.10 hp
62.7 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | power |
Disc brakes | |
Open operator station. | |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent OptOptional |
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 79.875 inches
202 cm |
Weight | 11,000 lbs
4989 kg |
Front tire | 7.50-18 |
Rear tire | 18-26 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 12.25 inches
31 cm |
Width | 9 inches
22 cm |
RPM | 1021 |
Speed | 3277 ft/min
998.83 meters/min |
References | |
|---|---|
 | |
Industrial Wheel Tractors Sales Features published in 1959, by Oliver |
Engine
Engine Detail — 213 ci / 3.5 L Diesel
Manufacturer | General Motors 3-71 |
Configuration | 3-cylinder, liquid-cooled |
blower diesel | |
two-cycle engine with mechanical blower | |
Displacement | 213 ci
3.5 L |
Bore/Stroke | 4.25x5.00 inches
108 x 127 mm |
Compression | 17:1 |
Rated RPM | 1800 |
Starter volts | 12 |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Clutch | dry disc |
 | |
Dimensions
Oliver 990 Tires | |
|---|---|
Ag front | 7.50-18 |
Ag rear | 18-26 |
14-34 | |
15-34 | |
Dimensions | |
|---|---|
Wheelbase | 79.875 inches
202 cm |
Weight | 11,000 lbs
4989 kg |
Front tread | 59.9 inches
152 cm |
Rear tread | 66 inches
167 cm |
Tests
Nebraska Tractor Test 661 | |
|---|---|
Diesel 6-speed 2WD
July 7 - 18, 1958
Link: Nebraska Tractor Test 661 file | |
Belt power (max) | 84.10 hp
62.7 kW |
Belt fuel use (max) | 6.3 gal/hour
23.8 l/hour |
Drawbar performance | |
Max power | 61.46 hp
45.8 kW |
Fuel use | 5.0 gal/hour
18.9 l/hour |
Gear 3 used for power test. | |
Max pull | 12629 lbs
5728 kg |
Gear 1 used for pull test. | |
Photos
Oliver 990
Oliver 990
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Oliver 990.
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 990 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Oliver 990.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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