Caterpillar demonstrates its continued commitment to the wheel tractor-scraper market with the introduction of the new 620 K Series models, the 621K, 623K, and 627K. The units refine the design of ...

The Cat C13 engine in the tractor produces 407 hp, 18% more power compared to the G Series predecessors. The C9.3 on the 627H scraper produces 290 hp, an increase of 19%. The new torque converter ...