In Canada, raw forest products are generally transported by vehicles designed to handle either wood chips or logs, and therefore the vehicles carry a payload during only half of their operating hours. In western Canada, several forest operators have identified haul routes where a vehicle capable of hauling both chips and logs could be productive on both legs of a round trip. The Forest Engineering Research Institute of Canada (FERIC) co-ordinated the design and deployment of an 8-axle B-train vehicle having dual commodity capabilities, and monitored its operation during the first eight months of 2001. This report describes key features of the trailers and the operation, and presents an economic analysis.