Ive tinkered with making tractors faster over the years- a few ive taken apart, due to not being safe enough, however i do have a couple i am going to be building safe as possible- i dont call mine 'racers' because therye not built according to any sanctioned event guides - mine are for personal experementation only- how fast safely can a governed engine make a tractor go ( on private property and wearing proper saftey gear).
This is my current 'speed machine' - a '91 MTD - lowered front axle, low profile rear tires, lower seating position- reminds me of driving a 'big wheel' trike when i was younger- it handles excellent, currently goes around 10mph ( trying with all stock stuff ) , made a foot throttle for better control - a 18.5HP twin engine swap is next in line, with possibly a 6 speed shift on the fly manual trans from a 94 murray, aftermarket brakes and more lowering will also be on the list:
Future rebuild to mild modifying- 1994 Murray ( 1991 MTD hood) - originally was my main 'speed machine' - after a few trial runs, i deemed it to be too unstable for its near stock configuration and i took it apart till it can be rebuilt safer - it wont be as fast as before, itll get some lowering, better brakes, upgraded steering and smaller motor:
Experement tractor- 1996 MTD chassis with a 1985 MTD mastercut hood - combining a stock variable speed pulley setup with a 3 speed manual trans from a 70's simplicity - no speed here- just seeing how many different ratios i can get from the setup:
Offroader - 80's agway ( murray) ive had for years- used to run thru a swamp with it behind my folks house back north ( stock with a 10HP briggs) - just 'updating' it a bit with larger tires, larger motor, foot throttle and eventually a rack to carry stuff ( like an ATV) - eventually id like to get some ATV or AG tires for it :
A couple future projects:
2003 MTD bolens chassis under 1969 wheelhorse sheetmetal - my 'rat rod' of tractors - will be low, fast and definitely safer then my murray - heres a pic of the 'original wheelhorse' before disassembly:
1990's GT6000 craftsman made into a true 4x4 lawntractor - itll be running the wheelhorse trans up front, some lifting to fit rear GT tires up front, horizontal twin - purely for offroad use only :
Ill post updates for these projects here in this thread when i get some shed time.