The Cat D4H, D5H, D6H and D7H medium dozer models were the first to feature the high drive design, and in 1987, the D8L model was added to the family. In addition to bringing many of the same ...

The Cat D4H, D5H, D6H and D7H dozer models were the first to feature the high drive design, and in 1987, the D8L model was added to the family. D6 and D6 XE dozers are manufactured exclusively in East ...

Welcome to the daring world of Robin Blandford’s D4H Technologies. D4H – which stands for Decisions for Heroes – does exactly what it says on the tin, providing first responders with vital ...