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Used Oliver 990 Tractors for Sale (1 listing)

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1960 Oliver 990 40-99 HP
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1960 Oliver 990

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$15,500 USD
Drive: 2 WD
HP: 99
Hours: 60
'60 Oliver 990 “Cardiac Arrest” Competition Pull Tractor Engine: Detroit Diesel 6-71 Supercharged w/ Airesearch HD Garrett Turbocharger Transmission: Oliver 990 6-speed Forward – 2 Reverse Hours: 60... See all seller comments
$15,500 USD

Oliver 990 Specs

Overview

Battery
Volts
6
Number
2
Mechanical
Cab
Open operator station.
Brakes
disc
Chassis
4x2 2WD
Steering
power
Production
Factory
Charles City, Iowa, USA
Manufacturer
Oliver
Belt Pulley
RPM
1021
Speed
3277 ft/min (998.83 meters/min)
Width
9 inches (22 cm)
Diameter
12.25 inches (31 cm)
Oliver 990 Power
Plows
6
Belt (tested)
84.10 hp (62.7 kW)
PTO (claimed)
84.1 hp (62.7 kW)
Drawbar (tested)
61.46 hp (45.8 kW)
Drawbar (claimed)
61.4 hp (45.8 kW)

990 Serial Numbers*

*General guideline: If your serial number is in between two years, your tractor is the earlier year.
1958
67828
1959
71245
1960
84487
1961
110064
Final
115469
Dimensions & Tires
Weight
11,000 lbs (4989 kg)
Rear tire
18-26
Wheelbase
79.875 inches (202 cm)
Front tire
7.50-18
Power Take-off (PTO)
Rear PTO
independent*Optional
Rear RPM
540

Engine

Engine Detail
213 ci (3.5 L), 3-cylinder, blower diesel, General Motors 3-71, liquid-cooled
Rated RPM
1800
Bore/Stroke
4.25x5.00 inches (108 x 127 mm)
Compression
17:1
Starter volts
12

Transmission

Transmission
Type
gear
Gears
6 forward and 2 reverse
Clutch
dry disc
Speeds

Dimensions

Dimensions
Weight
11,000 lbs (4989 kg)
Wheelbase
79.875 inches (202 cm)
Rear tread
66 inches (167 cm)
Front tread
59.9 inches (152 cm)
Oliver 990 Tires
14-34, 15-34
Ag rear
18-26
Ag front
7.50-18

Tests

Nebraska Tractor Test 661
Type
Diesel 6-speed 2WD
Test Date
July 7 - 18, 1958
Test report
PDF file
Max pull gear
1
Belt power (max)
84.10 hp (62.7 kW)
Drawbar pull (max)
12629 lbs (5728 kg)
Belt fuel use (max)
6.3 gal/hour (23.8 l/hour)
Drawbar power (max)
61.46 hp (45.8 kW)
Drawbar fuel use (max)
5.0 gal/hour (18.9 l/hour)
This data is sourced from the public domain and Machinery Pete cannot guarantee accuracy.