Aka, the dozer formerly known as the Cat D6K2. This medium size-class dozer ... and the D7 replaced the D7E and D7R. So, yes. The much-loved model at the heart of this discussion has a new name ...

Watch as we begin the restoration of a classic 1950 Caterpillar D4-7U dozer! In Part 1, we strip it down and inspect decades-old components to kick off this epic rebuild journey. #CaterpillarD4 #Dozer ...