Handle — fits 40 New Holland models — 643758

New Holland 643758 is the locking door handle, supplied with a set of keys, used on the cab and demolition doors of New Holland skid steer and compact track loaders and listed in the cab door diagram of the TR combines. In the Operators Platform chapter, diagram Cab Door Kit (assembly 10.07), it is callout 30, quantity 1 in that diagram, and the note says the handle includes the set of 2 keys 642628, identified by a PK556 marking. The TR88 combine diagram CAB, DOOR & WINDOW (08A02, chapter Platform, Cab, Bodywork and Decals) shows it at callout 66 as a locking handle assembly with keys. More diagrams, covering cab door, cab door with wiper and demolition door groups, list the same handle.

The models that appear in the most diagrams are the L160 and L170 skid steers, the LS160, LS170, LS180 and LS190 loaders, the LX985, and the C175, C185 and C190 compact track loaders. The others are the remaining L, LS, LT and LX loader models, the 2450, 2550 and HW-series windrowers and the TR-series combines. New Holland 643758 replaces the earlier number 80643758.