Haul trucks are off-highway, rigid dump trucks specifically engineered for use in high-production mining and heavy-duty construction environments.
Most haul trucks have a two-axle design, but two very well known models from the 1970s, the 350T Terex Titan and 235T Wabco 3200/B, had three axles.  Haul truck capacities range from 40 short tons (36 t) to 496 short tons (450 t).
Large quarry-sized trucks range from 40 to 100 tons. A good example of this is the Caterpillar 775 (rated at 70 short tons (64 t)). Quarry operations are typically smaller than, say, a gold/copper mine, and require smaller trucks.
The largest, highest-payload-capacity haul trucks are referred to as ultra class trucks. The ultra class includes all haul trucks with a payload capacity of 300 short tons (272 t) or greater. As of October 2013[update], the BelAZ 75710 has the highest payload capacity, 450 metric tons.
- Belaz 75600
- BelAZ 75710
- Bucyrus MT6300AC
- Caterpillar 797
- DAC 120 DE
- Komatsu 830E
- Komatsu 930E
- Komatsu 960E-1
- Liebherr T 282B
- Terex 33-19 "Titan"
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- Orleman, Eric C. (2000-11-10). Johnson, Paul, ed. Building Giant Earthmovers. Motorbooks Colortech. United State of America: MBI Publishing Company. ISBN 978-0-7603-0640-6. Retrieved 2010-03-02.
The ultra-hauler class includes trucks with a capacity rating of 300 tons and above.
- "Off-Highway Trucks from Caterpillar". Caterpillar Website. Caterpillar Inc. 2009. Archived from the original on 2009-10-21. Retrieved 2009-10-21.
Developed specifically for high production mining and heavy-duty construction applications ...
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