Low Profile Load Trolley with Bosses

Knight Global’s MRTA4312 Low Profile Load Trolley with Bosses transfers loads along the horizontal axis and suspends Knight Torque Arms and fixtures from Knight’s RAD4110 Series Overhead Aluminum Rail Systems. Knight Low Profile 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



  • Side Guide Rollers with integrated bearings.
  • Fiberglass filled High Impact Nylon Wheels.
  • 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

1,100 lbs. [499kg]


4.0 lbs. [1.81kg]