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...Types of cranes mounted crane a on truck carrier provides the mobility for this type generally these are able to travel highways eliminating need special equipment transport when working jobsite outriggers extended horizontally from chassis then vertically level and stabilize while stationary hoisting many have slow travelling capability few miles per hour suspending load great care must be taken not swing sideways direction as most anti tipping stability lies in stiffness suspension also moving counterweights stabilization beyond that provided by loads suspended directly aft stable since weight acts counterweight factory calculated charts or electronic safeguards used operators determine maximum safe outriggered work well rubber speeds range lifting capacity about us tons rough terrain an undercarriage with four tires is designed pick carry operations off road applications telescopic single engine machines same powering similar crawler usually rather than upper california norman spenc...