The 349E features a 396-net-hp Cat C13 ACERT engine that uses the Cat Clean Emissions Module (CEM) to meet EPA Tier 4 Interim emissions standards.
- Engine Idle Shutdown Setting lets the user select how long the machine will idle before shutting down
- Isochronous speed control maintains constant engine speed, regardless of load
- Other fuel-saving features include an "economy" power mode, electric boom regeneration valve, heavy lift mode and new swing priority system
- Ranges in operating weight from 105,400 to 117,500 lbs.