Sawyer Rob
Super Member
The dirty little secret about duals is, AXLES! Unless the tractor axle is designed for duals, the chances of breaking an axle is very good!A quick review of my M6040 operators manual reveals this - - "Dual tires are not approved". No explanation. I would surmise - the added stresses on many components is just not a good thing.
BUT, just about any tractor can be dualed if you want to take that chance,

SR