12 hp vs 18hp
 If 6hp less is geared that much lower U can compensate with taller( more circumference ), did on race tracks, ( drags, asphalt , dirt ) worked fine same principal ! 
__________________
DaDuke of
2145,1864,1811,1810,1541,1330,1210,1020,1641,147,1 24,73, IH FARMALL CUB. 7254, 1863, IH 982 
|