| 摘要 |
A tracklaying vehicle (1) has detachable wheels (14, 15, 32) which support the vehicle (1) with its tracks (2, 3) clear of the ground. The wheels (14, 15, 32) may sink into soft ground to allow the tracks (2, 3) to resume drive. Two wheels (14, 15) are mounted at one end of the vehicle coaxially with the track driving wheels (8, 11) so as to be driven. The other end of the vehicle (1) is supported by a castor wheel assembly (28).
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