The Next Generation mini hydraulic excavator lineup includes six models in the 7- to 10-ton category. The 307.5 is a standard tailswing model with a fixed boom, the 308 CR is a compact radius model with a swing boom and the 308 CR VAB features a variable angle (two-piece) swing boom. The 309 CR has a compact radius, swing boom and high-flow auxiliary hydraulics; the 309 CR VAB expands the 309 CR's capability with a variable angle boom. The 310 includes a fixed boom, standard tailswing and twin blade cylinders for handling heavy-duty dozing chores.
- Maximum operating weights from 18,152 to 22,447 lbs. and standard dig depths from 13 ft. 5 in. to 17 ft.
- Stick-Steer system allows operator to switch from conventional lever/foot-pedal steering controls to low-effort joystick control with the touch of a button
- 55.9-net-hp C2.4 turbo (307.5) and 70.3-net-hp C3.3 diesel engines
- Load-sensing hydraulic system with electronically controlled variable-displacement piston pump capable of oil flows to 44 to 62 gpm depending on model
- Standard automatic two-speed travel, cruise control system, auxiliary hydraulic system, control pattern changer and machine security system
- Low-noise, sealed and pressurized cabs with redesigned HVAC system, suspension seats, operating consoles with adjustable wrist rests and radio with Bluetooth capability
- Intuitive controls include the Next Generation LCD monitor offering easy-to-read machine information with a jog-dial for easy navigation and integrated rear camera
- All-around visibility via a large front window that slides upward and stores overhead, expansive glass areas on the sides and rear of the cab plus a skylight
[VIDEO] Overview of the 7- to 10-ton Cat Next Generation Mini Excavators