Description
New PAI replacement coarse-pitch first mainshaft gear for Fuller (1 gear), part number 900040. First-speed mainshaft gear corresponding to Fuller 4303620, which replaces 4303618. Supplied as one gear, not a complete mainshaft assembly. In the documented Fuller RT-14710B non-selective-washer configuration, 4303620 must be used with coarse-pitch countershaft 4303621. The mating countershaft is not included. Fine-pitch configurations are distinct. Cross-references Eaton Fuller 4303620; 4303618, S-20421. Confirm fitment by original part number before ordering.





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