Roll-coupled A-Dolly
Don Stubbe (Andy's Oilfield Hauling Ltd) took delivery of the first roll-coupled converter dolly in October 2011. Don's A-dolly features selective roll-relief and a selectively extendible drawbar to improve handling off-road.

Roll-Coupled Pony Trailers
Essential Coil and Stimulation Services has two roll-coupled flat deck pony trailers for use in British Columbia, Alberta and Saskatchewan.

CWC Well Services has two roll-coupled doghouse trailers operating in Alberta and Saskatchewan.

Roll-coupled tridem pony trailers can carry 24 tonnes in British Columbia

Roll-Coupled Full Trailer
Roll-coupled quadaxle full trailers can carry 34 tonnes in British Columbia

We encourage you to support the companies who are investing "safer-trailers" to improve highway safety.