A lot of trucks in the UK used to use Balata belting for this - that's the (sometimes rubberised) cloth belting used to drive machinery from engines. Also used as conveyor belting. You can get it from vintage machinery suppliers or from suppliers of industrial machinery and conveyors.

http://www.par-group.co.uk/rubber-and-polyurethane/conveyor-belting/balata-conveyor-belting/

Last edited by Bedfordman; 05/09/2015 6:40 AM.

1950's Bedford R Long Wheelbase 4x4 4-Ton
"Big Bedford"
In the Stovebolt Gallery
More pix of the BIG BOLT