M60 AVLB Type: Armoured Vehicle Launched Bridge Origin: USA Year of manufacture: 1963 Crew: 2 (Driver, Commander) Dimensions: 11.277 x 3.987 x 3.886 m Weight: 55,204 kg (with the bridge) Engine: Continental AVDS-1790-2A, 12-cylinder, diesel engine, 750 bhp, 29338 cc AVLBs have the ability with their hydraulic system to launch the bridge they carry over small rivers or other obstacles such as anti-tank ditches and thus allow other tanks to advance. Then they can retrieve the bridge and launch it somewhere else where it is needed.