This is one I built with my Snowmobile Club. It's got 5- 14" power poles across the span about 35 ft. The decking is 2X12X14 Larch with we get from a local mill guy.
The runners stop wear from the Groomer drags tearing up the decking. The Groomers weight in 18,000LBS to 22,000 LBS without any...