Bolens HT-20 Engine

Bolens HT-20 lawn tractor photo
1973 - 1978
Large Frame Series
Garden tractor
Series map:
Engine Detail
Kohler K532
air-cooled horizontal-shaft horizontally-opposed
Displacement868 cc
53 ci
Bore/Stroke3.375x3.00 inches
86 x 76 mm
Power (gross)19.5 hp
14.5 kW
Air cleanerdry
Rated RPM3450
Starter volts12
Sparkplug gap0.025 inches
0.635 mm
Point gap0.020 inches
0.508 mm
Engine Oil
HT-20 gasoline engine oil chart
Oil capacity4 qts
3.8 L
Oil change50 h
Page information
Peter Easterlund - owner of
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Peter Easterlund - owner/author
Updated on May 15, 2023
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