When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Snow chains - Wikipedia

   en.wikipedia.org/wiki/Snow_chains

   Automatic tire chains are permanently mounted near the drive tires and engage by turning a switch, then move into position to fling the pieces of chain under the tires automatically. Automatic chains were invented in 1941 in the United States [1] and Sweden in 1977 [citation needed]. Snow chains, or tire chains, are devices fitted to the tires ...

3. M25 tank transporter - Wikipedia

   en.wikipedia.org/wiki/M25_Tank_Transporter

   The M25 tank transporter (G160) was a combination 6x6 M26 armored heavy tank transporter/tank recovery tractor and companion 40-ton M15 trailer introduced into US Army service in Europe in 1944–45. Manufactured by Pacific Car & Foundry Co. , it was a substantial upgrade over the Diamond T M19 transporter/trailer duo introduced in 1940.

4. Continuous track - Wikipedia

   en.wikipedia.org/wiki/Continuous_track

   Modern tracks are built from modular chain links which together compose a closed chain. The links are jointed by a hinge, which allows the track to be flexible and wrap around a set of wheels to make an endless loop. The chain links are often broad, and can be made of manganese alloy steel for high strength, hardness, and abrasion resistance. [42]