Oliver 990 - Horsepower, Weight, Specs, Problems, Price & More

The Oliver 990 tractor is powered by a General Motors 3.5L 3-cyl diesel engine that provides of horsepower and torque. It has a drive configuration and a 6-speed gear transmission.

• Engine
• Transmission
• Brakes
• Steering
• Common Problems
• What Users Like
• Technical Specifications

Engine

The engine is a General Motors 3-71 blower diesel 3-cylinder liquid-cooled two-cycle engine with mechanical blower. It has a displacement of 213ci / 3.5L and a bore/stroke of 4.25x5.00inches / 108x 127mm. The compression ratio is 17:1 and it is rated at 1800 rpm. The starter voltage is 12 volts.

Transmission

The transmission is a 6-speed gear. Unfortunately, no further details were provided in the .

Brakes

The brakes are disc brakes and are located on the two-wheel drive. The did not provide any further details about the brakes.

Steering

The steering is power steering and is powered by a General Motors 3.5L 3-cylinder diesel engine. No further details were provided in the .

Common Problems

Users have reported issues with the open operator station, which can be uncomfortable during long hours of use. Additionally, some users have reported issues with the disc brakes, which may require frequent maintenance.

What Users Like

Users appreciate the Oliver 990's agricultural front tires, which are 7.50-18 in size. They also like the rear tire options, which include 18-26, 14-34, and 15-34 sizes.

Oliver 990 Technical Specifications

Engine Detail
Description	General Motors 3-71 blower diesel 3-cylinder liquid-cooled two-cycle engine with mechanical blower
Displacemen	213ci / 3.5L
Bore/strok	4.25x5.00inches / 108x 127mm
Compressio	17:1
Rated Rp	1800
Starter Volt	12
Engine
Description	General Motors 3.5L 3-cyl diesel
Transmission
Description	6-speed gear
Mechanical
Description	Two-wheel drive Disc brakes Open operator station
Steerin	power
Tires
Ag Fron	7.50-18
Ag Rea	18-26 / 14-34 / 15-34
Dimensions And Tires
Wheelbas	79.875inches / 202cm
Weigh	11,000lbs / 4989kg
Front Tir	7.50-18
Rear Tir	18-26
Belt Pulley
Diamete	12.25inches / 31cm
Widt	9inches / 22cm
Rp	1021
Spee	3277ft/min / 998.83meters/min
Power Take Off Pto
Rear Pt	independent OptOptional
Rear Rp	540

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Oliver 1250-A, Oliver 1255, Oliver 1270, Oliver 1355, Oliver 1370, Oliver 1465, Oliver 1550, Oliver 1600, Oliver 1655, Oliver 1750, Oliver 1800, Oliver 1900, Oliver 2455, Oliver 440, Oliver 550, Oliver 600, Oliver 660, Oliver 880, Oliver 90, Oliver 950, Oliver 990, Oliver 995, Oliver OC-12, Oliver OC-15, Oliver OC-18, Oliver OC-3, Oliver OC-4, Oliver OC-6, Oliver Super 44, Oliver Super 55, Oliver Super 66, Oliver Super 77, Oliver Super 88, Oliver Super 99,