you'll want to line it up as close as possible , the driveshaft
conectors are somewhat forgiving so it don't have to be perfect . the
1100 is a nice tractor to start with you can always upgrade it to a
driveshaft & gear drive rearend , yours should have a right angle
gear box with a belt going to a 4 speed pearless rearend . the
material you're choosing for mounts sounds good .