Caterpillar Releases New 20-Ton Excavators

Caterpillar has released three new 20-ton excavators, which consume 20 to 25 less fuel than previous models and boast new features that could improve operational efficiency by up to 45%. The new CAT 320 GC, 320 and 323 all feature new cooling systems and technological updates.

Their Cat engines provide power ratings from 121 to 162 hp (90 to 121 kW). In addition, New Smart mode operation automatically matches engine and hydraulic power to digging conditions in an effort to optimize fuel consumption and performance. Engine speed is automatically lowered when there is no hydraulic demand to further reduce fuel usage.

The machines’ new cooling systems employ multiple electric fans which independently monitor hydraulic oil, radiator and air-to-air aftercooler temperatures to deliver the exact airflow required. A new main control valve eliminates the need for pilot lines, reduces pressure losses and lowers fuel consumption. Caterpillar notes that fewer hydraulic lines on the excavators result in 20 percent less oil required, lowering long-term operating costs.

With higher dirt capacity, the new Cat hydraulic return filter features a 3,000-hour service life-- a 50 percent increase over previous filters. A new Cat air filter with integrated pre-cleaner and primary and secondary filters extends service life to 1,000 hours. Meanwhile, a new fuel tank cap filter extends service life to 2,000 hours. The three fuel system filters each offer a 500-hour service interval.

In addition, the excavators can be equipped with a choice of Comfort, Deluxe or Premium cab packages. These utilize large front, rear and side windows to enhance visibility to the front and side of the excavator. Optional 360-degree visibility combines images from multiple machine-mounted cameras to enhance the operator’s sight-lines in all directions. Automatic climate control maintains internal cab temperature settings, regardless of external ambient temperatures. Furthermore, a Bluetooth-integrated radio with USB ports can be used to charge phones.