Of all the Caterpillar D4 models listed % have been listed by professional machinery sellers, % by private businesses. There are currently items for D4 listed in Australia from professional sellers ...

The D4 still has the same roller frame, tractor frame, C-frame, Cat C4.4 engine and horsepower that were found on the D6K2. The D6K2’s proven undercarriage design is still there too. With eight ...

Although there was some difficulty in excavating because of a pileup of ground floor and second floor arches, the sturdy Cat D4 track-tractors, equipped with Traxcavators, carefully and completely ...