- Wheels are tapered to match the 2° taper of the track. This reduces rolling resistance and wheel wear. Wheels contain ball bearings that are sealed and lubricated for life.
- Two horizontal wheels center the end truck within the runway. This prevents binding of the bridge. The position of the load on the bridge has little effect on the amount of force needed to move the bridge along the runway as a result.
- Any runway track misalignment is taken up by the bridge floating in one end truck, while the other end truck is firmly clamped to the bridge.
- All end trucks meet or exceed the ANSI B30.11 specification for underhung bridge cranes.
- Clamping: Set Screws are inserted to prevent the Bridge from moving in the End Truck's sleeve
- Non-Clamping: The Bridge is allowed to slide freely in the End Truck's sleeve to prevent binding when moving down the Runway