I photographed these M15 Semi Trailer examples at the National Museum of Military Vehicles in Dubois WY
The M26 Tank Transport Tractor was developed specifically for the M15 Semi Trailer to make the M25 Tank transporter system
M15A2 Semi Trailer
NMMV Dubois WY 2025
M15A2 Semi Trailer
Shown with Hedgehog Beach Barriers as cargo