XA-S12
Base Assembly, Inboard, Heavy-Duty, 12 in.
SAF-Holland

The inboard base assembly provides a compact yet rugged solution for heavy-duty mounting applications, featuring a 12 inch inboard design that optimizes space while preserving load-path integrity. Built to handle high cyclic loads, this component maintains precise alignment and consistent seating for attached hardware, contributing to longer service life and reduced maintenance requirements in demanding fleets. VMRS 059-001-045 identifies it as a base assembly within the frame system, reinforcing its role in the main load transfer path. Typical uses include constrained chassis layouts where inboard mounting preserves clearance around moving parts, yet high strength is still required. Benefits include improved stiffness, easier servicing due to modular design, and reliable performance under vibratory conditions encountered on rough roads or off-road routes. Installation considerations include confirming clearance envelopes, ensuring proper shimming, and verifying that mounting studs and fasteners are compatible with adjacent components. Category context: base and slide assemblies with inboard mounting for heavy-duty trailer systems.