Load Trolley with Bosses

Knight Global’s MRTA4003 Load Trolley with Bosses transfers loads along the horizontal axis and suspends Knight Torque Arms and Articulating Arm Carriages from Knight’s RAD4110 Series Overhead Aluminum Rail Systems. Knight Load Trolleys are manufactured from commercial grade pickled and oiled hot rolled steel with a tensile strength of ± 49 ksi and a yield point of ± 30 ksi.

part number



  • Fiberglass filled High Impact Nylon Wheels.
  • Side Guide Rollers with integrated bearings.
  • Double-Shielded bearings keep dirt out, and do not require lubrication.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

max capacity

Up to 1,100 lbs. [499kg]


4.5 lbs. [2.04kg]