For Sale: From what I could figure out from the included instruction manual this is either set 500 or 700. Not sure how complete it is. Includes two electric motors both of which work well when hooked up to included speed control/battery holder thing. There are also lots of screws bolts, and original wrench.
Send your zip code for ship cost- should be between $7.95 and $12.95 if you are in the continental USA (Nov. 2012).