In about 1984, the Joint Stock 'Overland' Twinette sleeping berth cars were split into two groups: JTA_ and JTB.
The JRA class cars were built first and hence the oldest cars in the group.
Cars JTB 1 to 4 were converted from Tawarri, Yankai, Weroni (2nd) and Dorai.
Vehicle history list
No photos found for JTB
No diagrams found for JTB
File c421m compiled by Peter J. Vincent, updated 11/11/2007