1928 – Meccano Walking Tractor – A. L. Spilhaus (Sth African) and C. Lee (British)
1925 Nilsson Walking Tractor It is not always possible to use vehicles with wheels, especially when the ground is heavy and the surface uneven. The problem of overcoming the difficulty has long occupied the attention of inventors, and a new type of transmission was evolved when caterpillar action was used for the tanks during the …
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