kwin
Member
Per the book the 155d the tires should be front 5/12 and rear 6/12 with optional front 6/12 and rear both at 8/16's. The difference in gears is before serial 5100 and 5101. The difference is after 5101, front tread 29.3 to old 28.in, cooling capacity .8 to .7, and the travel speed faster, pto speed 540 and 770@ 2540 (old ) 540 and 800., starter 1.2kw to 1.0 kw.