Crawler-mounted crane.

TM 38-400/NAVSUP PUB 572/AFMAN 23-210 MCO 4450.14/DLAM 4145.12

storage areas. The crawler-mounted crane is less

mobile than either the truck or wheel-mounted type.

crane (fig 5-35), equipped with boom, is mounted on a

self-propelled, track laying (crawler) chassis. Its lifting

capacity approximates that of the wheel-mounted crane

and it is well suited to operation in unimproved open

Figure 5-35. Crawler-mounted crane.

commonly it is mounted on rails (fig 536). It is very well

(d) Gantry crane. The gantry crane is not

suited to loading and unloading operations involving

equipped with a boom but consists of a hosting

volume handling of very heavy, bulky items.

apparatus suspended above the ground by a gantry type

framework. It is a powerful crane of great lifting

capacity (some with more than 100,000-pound

capacity). The gantry crane may be immobile, but more

Figure 5-36. Rail-mounted gantry crane.

5-38