Oliver 990 Engine


Oliver 990 tractor photo
1958 - 1961
900 Series
Standard-tread tractor
Series map:
950
990
995
66.4hp*
93.4hp*
94.9hp*
*Estimated engine power for comparison only.
Engine Detail
General Motors 3-71
blower diesel
3-cylinder
liquid-cooled
two-cycle engine with mechanical blower
Displacement213 ci
3.5 L
Bore/Stroke4.25x5.00 inches
108 x 127 mm
Compression17:1
Rated RPM1800
Starter volts12
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on July 5, 2022
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