TM 9-2320-209-10-1 4-13. OPERATION OF DUMP TRUCKS. a. General. Dump trucks covered in this manual may be used as regular cargo carriers, or for dumping and spreading operations. Payload capacity for cross country operation is 5,000 pounds. Payload capacity for prepared roads is 10,000 pounds. Refer to table 4-2, weight chart for typical materials. Table 4-2. Weight of Material in Truck Capacity Weight of Material Level Full Heaping Full (lb) (2. 51 CU yd (3. 76 CU yd or 67.79 tuft) or 101.50 cu ft) Material Loaded Weight Loaded Weight Per cu-ft Per cu-yd (lb approx) (lb approx) Ashes (soft coal) 44 1,188 2,985 4,470 Cinders 46 1,242 3,120 4,675 Clay: Dry 63 1,701 4,270 6,400* Wet 110 2,970 7,460 11,175† Coal: Anthracite 52 1,404 3,525 5,280 Bituminous 47 1,269 3,190 4,775 Coke 28 756 1,900 2,845 Concrete mix (wet) 124 3,618 9,095* 13,615† Coral rock 25 675 1,695 2,540 Earth: Dry or moist (loose) 80 2,160 5,425* 8,125* Dry or moist (packed) 96 2,592 6,510 9,750* Garbage: Wet 47 1,269 3,190 4,775 Dry (paper wrapped) 13 351 881 1,320 Gravel 110 2,970 7,460* 11,175† Limestone (crushed) 95 2,565 6,435* 9,650* Masonry (dry rubble) 122 3,294 8,280* 12,390† Mortar 100 2,700 6,780* 10,150† Mortar (dry rubble) 138 3,726 9,360* 14,025† Mud 115 3,105 7,800* 11,690 Sand: Dry (loose) 98 2,646 6,645* 9,950* Dry (packed) 110 2,970 7,460* 11,175† Wet or moist 122 3,294 8,280* 12,390† Stones (loose) 95 2,565 6,435* 9,650* * Over the rated cross-country payload. † Over the rated cross-country and highway payload. 4-235