At first the manufactures chassis were similar and used the same components, after the 1943 upgrade to-A1 standard the two chassis were mechanically identical and parts were interchangeable.
After the 1943 upgrade to-A1 standard, the two chassis were mechanically identical and parts were interchangeable. At first the manufacturers' chassis were similar and used the same components.
At first the manufacturers' chassis were similar and used the same components. After the 1943 upgrade to-A1 standard, the two chassis were mechanically identical and parts were interchangeable.
At first the manufacturers' chassis were similar and used the same components. After the 1943 upgrade to-A1 standard, the two chassis were mechanically identical and parts were interchangeable.