Thanks Doug, I wasn't sure what the ratios were.DH1 said:The tiller gearbox has a 5to4 ratio in it.
Crank pulley 4"
Gearbox pulley 4"
Gearbox input turns 5 times for the output shaft turning 4,
20 tooth input gear, 16 tooth driven gear.
The gearbox on the mower deck is 1to1 ratio.