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| tractor unit; tractor-trailer; tractor tractor unit | |||
| prime mover (AUS); semitrailer tractor | |||
| tractor for semi-trailer; articulated lorry; tractor-trailer truck; road tractor | |||
| Sattelzugmaschine: 3 phrases in 3 subjects |
| American usage, not spelling | 1 |
| Automobiles | 1 |
| General | 1 |