Gravely 430 Engine


Gravely 430 lawn tractor photo
1967 - 1972
400 Series
Garden tractor
Series map:
424
430
432
10.0hp
12.0hp
14.0hp
Engines overview
12HP Kohler 476cc 1-cyl gasoline
12HP Onan 491cc 1-cyl
Engine Detail
Kohler K301
gasoline
1-cylinder
air-cooled horizontal-shaft
Displacement476 cc
29.07 ci
Bore/Stroke3.25x3.37 inches
83 x 86 mm
Power (gross)12 hp
8.9 kW
Air cleanersingle dry element
Rated RPM3600
Starter volts12
SparkplugChampion H-10
Sparkplug gap0.025 inches
0.635 mm
Intake valve clearance0.009 inches*Cold
0.229 mm
Exhaust valve clearance0.018 inches*Cold
0.457 mm
Engine Oil
430 gasoline engine oil chart
Oil capacity2.5 qts
2.4 L
Engine Detail
Onan NB
1-cylinder
air-cooled
Displacement491 cc
30 ci
Bore/Stroke3.5625x3.00 inches
90 x 76 mm
Power12 hp
8.9 kW
Rated RPM3600
Starter volts12
Page information
Peter Easterlund - owner of TractorData.com
Copyright 2023 TractorData.com®
TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999.
Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on August 4, 2021
©2000-2023 - TractorData.com®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.