Massey Ferguson Ski Whiz 500SST vs Massey Ferguson Ski Whiz Formula I

Verdict: Massey Ferguson Ski Whiz 500SST vs Massey Ferguson Ski Whiz Formula I

The Massey Ferguson Ski Whiz 500SST and the Massey Ferguson Ski Whiz Formula I are both snowmobiles — here is how they stack up on the figures that matter. Both are rated at the same 28 hp. Massey Ferguson Ski Whiz Formula I is the lighter machine (151 kg vs 179 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Massey Ferguson Ski Whiz 500SST holds more fuel (20.8 L vs 13.2 L) for longer stints between fills. Massey Ferguson Ski Whiz Formula I is the newer design (1972 vs 1970). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.