Harrington HPC Convertible Single Girder End Truck Pair
Harrington Top Running Geared End Truck Pair (TG Series)
Harrington Top Running Motorized Single Speed End Truck Pair (TM Series)
Harrington Top Running Push End Truck Pair (TP Series)
Harrington Underhung Geared End Truck Pair (UG Series)
Harrington Underhung Motorized Single Speed End Truck Pair (UM Series)
Harrington Underhung Push End Truck Pair (UP Series)