Diamond Ts
MV 101: Military Vehicle Hobby InfoMilitary Vehicle Spotlight: Four-ton 969 Diamond T Wreckers
Initially known as the 969 during WWII, the designation of the 4-ton wrecker was changed to 969A when the instruments and filters were changed to the Military Standard type. The 969B was built for foreign aid requirements. The wreckers continued in service through the Korean War.
Military Vehicles Magazine