Ford 7710, Ford 550, Ford 1910, Ford 4430, KD Forklift, Ford LGT17H, New Holland L255 Skidsteer
RB, it appears to be a Harlo forklift built with a Massey Ferguson chassis. I don't know, but the Harlo s/n is usually stamped on the LH frame rail (as you are sitting in the seat) near the engine. 5 digit number. Call Harlo (800) 391-4151 for help.