Today in WW II: 12 Jul 1943 Tank battle at Prokhorovka, during the Battle of Kursk, greatest tank battle of WW II, unsurpassed until Operation Desert Storm in 1992.   

Pre-World War II 5-Ton IH Truck

International K8.  Scan: Courtesy of Richard Notton from Bart Vanderveen's Observer's Fighting Vehicle Directory, WW II
Scan: Courtesy of Richard Notton from Bart Vanderveen's "Observer's Fighting Vehicle Directory, WW II."

International KR8.   Scan: Courtesy of Richard Notton from Bart Vanderveen's Observer's Fighting Vehicle Directory, WW II
Scan: Courtesy of Richard Notton from Bart Vanderveen's "Observer's Fighting Vehicle Directory, WW II."