Caterpillar DW21 '09.1950–61
In late 1950 Caterpillar introduced the DW20 and DW21 self-propelled scrapers. The DW20 had a two-axle tractor configuration, and the DW21 used a single-axle tractor design. They were first publicly unveiled at the construction equipment Road Show, held in Chicago, Illinois, in August 1948.
- DW21 (8W) ('1950-55);
- DW21C ('1955-58);
- DW21D ('1958-59);
- DW21G ('1959-61).
Caterpillar DW21 '09.1950–61
In late 1950 Caterpillar introduced the DW20 and DW21 self-propelled scrapers. The DW20 had a two-axle tractor configuration, and the DW21 used a single-axle tractor design. They were first publicly unveiled at the construction equipment Road Show, held in Chicago, Illinois, in August 1948.
- DW21 (8W) ('1950-55);
- DW21C ('1955-58);
- DW21D ('1958-59);
- DW21G ('1959-61).
WheelsAge.org '2005–н.ч.