The 303.5E2, 304E2, 305E2, 305.5E2 and 308E2 compact radius E2 Series mini hydraulic excavators will be produced at Caterpillar’s new 850,000-sq.-ft. facility in Athens, GA, and will use the new High Definition Hydraulic system, which provides a load-sensing and flow-sharing capability leading to operational precision, efficient performance and greater controllability. The simple valve architecture reduces heat, which improves hydraulic stability and efficiency.
- Operating weights from 7,803 to 18,519 lbs.
- Dig depths from 113 to 185 in. with bucket digging force from 7,419 to 13,534 lbs.
- Power ratings from 23.5 to 48.5 hp
- Redesigned operator station includes new interlocking front windows that both swing up to store
- Wider, swinging cab door replaces the curved sliding door used on E Series machines
- Updated operator interface controls are 100% pilot operated
- Smart Technology on the 303.5E2 includes Smart Technology integrated with a 23.5-hp engine, allowing for an 8% fuel consumption improvement and 7% greater efficiency over the E series
- COMPASS digital control panel provides an anti-theft system, automatic engine idle selection and adjustable auxiliary-flow control for work tools
- Standard automatic two-speed, blade float and MHE linkage, bucket, and cylinders (3- to 6-ton models) with 200º of bucket rotation
- All models are ROPS, TOPS and Top Guard Level 1 certified and include the Cat Interlock (hydraulic lockout) system, a certified accumulator and travel alarm
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