VERSATILE MOUNTING: Fits balancing machines with 40 mm shaft; properly centers rims with oversize centerbore greater than about 4.5 inches; ideal for three quarter and one ton pickup steel rims; supports correct setup for accurate spin cycles COMPLETE KIT: Includes a large steel centering cone and a spacer; the cone aligns heavy assemblies on the shaft while the spacer moves the rim outward to keep the rubber from touching the machine during rotation for smooth operation IMPROVED ALIGNMENT: Ensures the assembly is held true on the arbor when standard cones are too small; promotes precise balancing results and repeatable readings across service bays by matching the center hole to the correct diameter surface SHOP READY DURABILITY: Heavy duty components withstand frequent use in professional environments; steel construction offers long service life and dependable performance for balancing tasks on rugged pickups and similar vehicles in busy shop conditions EASY INTEGRATION: Designed for quick changeovers on Atlas platforms and many compatible models using 40 mm arbors; technicians can transition from standard hardware to this large format set rapidly, minimizing downtime and keeping balancing workflows moving efficiently The Atlas Automotive Equipment ATWB-LTA large truck adapter set equips Atlas balancing machines with 40 mm shafts to properly mount wheels with larger than standard center holes. The kit includes a large steel centering cone and a spacer, allowing technicians to handle many three quarter and one ton pickup steel wheels whose center hole exceeds about 4.5 inches. The spacer offsets the assembly outward so the tire does not contact the balancer during spin, which is especially useful on BUDD style wheels. Standard cones accommodate center holes up to roughly 4.5 inches; when the bore is larger, this adapter is required for correct mounting. By ensuring the assembly is centered on the arbor, the ATWB-LTA improves balance accuracy, speeds setup, and protects equipment. It installs quickly, integrates easily with compatible 40 mm arbors, and is a practical upgrade for high volume shops that regularly service heavier pickup applications.