Western States maintains a large parts inventory throughout our locations. We fulfill 86% of all parts orders right off the shelf and 98% within 24 hours.  Within 30 seconds, any of Western States' 15 branches can access our on-hand inventory.  Parts are shuttled between branches overnight and during the workday.  If we don't have your part, we search Caterpillar's inventory at its 13 emergency locations across the country. Caterpillar maintains the largest parts inventory in its depots in the industry, and Western States maintains the largest dealer parts in its service area.