Chaps ,
Check out this link to see RM 317 in ARGENTINA which has been fitted with a MERCEDES ENGINE and MANUAL GEARBOX ... The engine is not seen in any foto BUT the gear shift is , also check out the ' TEA MAKING ' facilities .... Have alook at the other fotos by clicking the back arrow to see RM 1070 complete with FRONT BUMBER BAR ..
http://britishbusesabroad3.fotopic.net/c730823_49.html