The Caterpillar AD30 is an underground mining truck built around a 30,000 kg (66,139 lb) nominal payload, offered with dump or ejector bodies and matched to Cat’s R1600H underground loader. Hydraulic Cylinders, Inc. builds replacement hydraulic cylinders and parts to fit it. Get it fast with FASTSHIP — order by 12:00 PM CST for same-day dispatch — plus Buy Now, Pay Later at checkout. Explore the full Caterpillar lineup, and Demolish Downtime.