Quote:
Originally Posted by RexHG
then put the 12 HP into the 100 as I always thought that the 10 HP was under-powered as I had to run full throttle just to mow grass.
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In my opinion the 10hp engine is plenty of power to mow grass, you should be mowing at wide open throttle anyway because it's a splash-lubricated air-cooled engine. Faster it spins, the better oiled and the better cooled it is. IIRC the cooling issue is more prominent on the opposed-twin Onan engines than the Kohler K series but can still be an issue.
My 106's 10hp engine has no trouble with power at all. The only limiting factor is traction
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'70 107 with k301 engine swap
'71 106 with 38" deck
'70 147
R with factory replacement k321, 42" deck
'61 Original with 38" timed deck
'63 70 "pinkie"
1863 with 54" deck
'46 Farmall H, '50 Farmall Cub
105 x2 (parts)