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Cat 621H, 623H and 627H Wheel Tractor-Scrapers
May 16th, 2011
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Company: Caterpillar Inc
Caterpillar’s Cat 621H, 623H and 627H Wheel Tractor-Scrapers are designed to deliver superior productivity and enhanced operator comfort and efficiency through the use of increased power and capacity, new structures, electronic controls and ergonomic design. The new H Series designs change the way wheel tractor-scrapers look, run and ride—and increase their capabilities to move material at the lowest cost per ton. H Series Wheel Tractor-Scrapers build on the proven durability and productivity of previous models with use of innovative technology. Sequence Assist and Load Assist automate many of the operator’s most demanding tasks, and when combined with Cat Grade Control, the new systems unburden veteran operators and help less experienced operators reach high productivity levels quickly. With the H Series introduction, Caterpillar is offering the 621 in a push-pull configuration for the first time. The system enables two scrapers to work together when loading, rather than requiring a push tractor.