Durham announces 5-model line A five-model line of two-shelf service trucks featuring 4000 lb. weight capacities was announced by the Durham Mfg. Co., Durham, Conn. The trucks are designed for general purpose use, the movement of packaged goods, and work in progress environments. Construction of the trucks is heavy duty and all-welded, with 2 inch by 3/16 inch angle iron fabricated frames for assured rigidity. Shelves are 14-gauge steel, lips down. Sizes range from 36 in. wide by 24 in. deep to 72 in. wide by 36 in. deep. All sizes are 36 in. high and have a convenient, straight push handle.