Install P&H Delta tumbler designed to accommodate existing drive shaft assembly.  P&H Delta Tumbler is available for both 10” wide and 11” wide lower rollers and idlers.  The P&H Delta Tumbler provides extended service life while maintaining tractive effort by going from 9 lugs (BE) to 8 lugs (P&H) with few, longer pitched crawler shoes.

Delta Drive Tumbler

Utilizes a sprocket style drive tumbler for increased surface area engagement between drive lug and shoe pocket.