I am confused. This is a diesel,right. If it is a 504 it is NOT a 2655 engine. All 2655 tractors (diesel had  the 585 engine which they spent too much money on to develop. If this is an L-P then I am 90% lost on the engine we never sold an L P tractor&gt; I lost my address book so send me a normal e-mail address a U S mail address and a phone number. John