TM 9-2320-209-10-1 Table 1-1. Vehicle Class Information - Cont Class Number Vehicle Model NSN E C H Water Tank - Cont M50A2 2320-00-077-1633 and 7 9 11 2320-00-077-1634 7 9 11 M50A3 2320-00-037-4036 and 6 8 10 2320-00-937-5264 6 8 10 Shop Van M109A2 2320-00-440-8313 and 7 9 10 2320-00-440-8308 7 9 10 M109A3 2320-00-077-1636 and 7 9 10 2320-00-077-1637 7 9 10 Repair Shop M185A2 4940-00-987-8799 and 7 10 10 4940-00-987-8800 * * * M185A3 4940–00–077–1638 and 7 10 11 4940-00-077-1639 8 10 11 Tractor M275A1 2320-00-446-2479 5† M275A2 2320-00-077-1640 and 5 8 11 2320-00-077-1641 5 9 11 Dump M342A2 2320-00-077-1643 and 7 9 12 2320-00-077-1644 7 9 12 Pipeline Construction M756A2 2320-00-904-3277 7 10 13 Earth Boring and M764 2320-00-937-5980 9 9 10 Polesetting * Information to be supplied when it becomes available. † Tractor only (without semitrailer). Weight of semitrailer and payload must be known to determine class number. 1-7/(1-8 blank)