Rubber Tyre Perfect Industrial Transfer Carts (RTG) Technical Data RTG Model Range* A Typical gantry span 20.8 m for 5 wide + truck lane 23.6 m for 6 wide + truck lane 26.5 m for 7 wide + truck lane 29.4 m for 8 wide + truck lane 32.3 m for 9 wide + truck lane 37.7 m for 10