PV303 John Deere 440 350 350B 350C 350D 1010 400G track adjuster. Complete track adjuster assembly for the following John Deere models: 440, 350, 350B, 350C, 350D, 1010 & 400G dozer, with 5 roller track frames. These adjusters are manufactured here in the USA and are made from high strength steel and are precision welded. These replacement track adjusters are an exact fit and require no modifications.
Note: The 400G LT with 6 roller track frames require the PV302.