Caterpillar has upgraded the MD6640 Rotary Drill with the new Cat® 390 excavator undercarriage, which helps minimize downtime, reduces operating costs and increases machine productivity.

Tier 4-Final upgrades to the Cat 390F and 374F excavators include the Cat ACERT C15 with 472 horsepower in the 374F and the C18 with 524 horsepower in the 390F. Fuel burn is down 7 percent and 13 ...

Caterpillar's Ken Gray explains how the independent metering valve from the 336F Hybrid is improving efficiency of the 390F excavator ...

The 472-hp 374F and 524-hp 390F excavators use fuel-efficient ACERT engines to meet Tier 4 Final emissions regulations. The 390F burns 7% less fuel yet delivers more productivity than the 390D it ...