| 摘要 |
An on-track, off-track track tamper has a machine frame trailer mounted on a rear and front undercarriage having wheels adapted for engagement with, and mobility on, the track, coupled to a truck tractor mounted on undercarriages supporting the tractor and having wheels for engagement with, and mobility on, the road. The machine frame carries a vertically adjustable lifting and support jack as well as a vertically adjustable undercarriage having wheels adapted for engagement with, and mobility on, the road mounted on the end of the machine frame remote from the tractor. |
