The Cat 308E CR Mini Hydraulic Excavator delivers superior performance and comfort while reducing your operating costs. The large spacious cab provides a comfortable work area. Intuitive seat-mounted controls are easy to use for greater job accuracy and efficiency. The compact radius design allows jobsite work where other machines cannot operate--significantly impacting your bottom line. The 308E CR SB sets the standard for excavators in the eight-ton size class.
Engine Model | Cat® C3.3B Tier 4 Interim, Stage IIIA |
Net Power | — |
Operating Weight | — |
Engine Model | Cat® C3.3B Tier 4 Interim, Stage IIIA |
Net Power | — |
Gross Power | — |
Operating Weight | — |
Operating Weight - With Cab | — |
Maximum Digging Depth - Standard Stick | — |
Maximum Reach - Ground Level - Standard Stick | — |
Shipping Height | — |
Maximum Dump Height - Standard Stick | — |
Maximum Dump Height - Long Stick | — |
Maximum Vertical Dig Depth - Standard Stick | — |
Shipping Length | — |
Bore | — |
Stroke | — |
Displacement | — |
Gradeability - Maximum - High | — |
Travel Speed - High | — |
Travel Speed - Low | — |
Maximum Traction Force | — |
Operating Pressure - Equipment | — |
Digging Force - Stick - Standard | — |
Digging Force - Stick - Long | — |
Digging Force - Bucket | — |
Operating Pressure - Travel | — |
Operating Pressure - Swing | — |
Auxiliary Circuit - Primary | — |
Auxiliary Circuit - Secondary | — |
Machine Swing Speed | — |
Exterior Cab | — |
Interior Cab | — |
Cooling System | — |
Engine Oil | — |
Hydraulic Tank | — |
Fuel Tank | — |
Hydraulic System | — |
MSC Spec Date | 1/06 |
Smooth responsive hydraulics give the level of control demanded by the customer in any application, from fine grading and dozing to backfilling. Powerful bucket and stick digging forces combined with fast cycle times result in world class productivity and performance. Automatic two speed function improves jobsite maneuverability with precise control by balancing travel speed with the torque needed for turning and travelling on inclines. Dozer blade float function enables easy ground levelling for landscaping and finish grade applications as well as more efficient jobsite clean-up. Economy mode can be selected with the in-cab LCD monitor and provides better fuel efficiency in a platform well suited for less experienced operators.
Joystick mounted auxiliary and boom swing control enhances machine controllability. Intuitive controls give fine modulation. The levers and dozer function ensure “as new” levels of controllability are maintained throughout the machine life.
The new E-Series has industry leading lift capacity matched with outstanding stability in a compact radius package. This provides the on-site versatility required to match the diverse and continually changing needs of the customer.
A choice of standard or long, thumb ready sticks enable the customer to match the machine's digging envelope to their requirements. The boom design maximizes stability and reach with the swing allowing the operator to trench parallel to tracks, dig close to structures and dig a box-section without repositioning the undercarriage.
To maximize performance, Caterpillar Pin-Grabber Quick Couplers are compatible with all standard work tools, enabling the operator to simply release one work tool and pick up another, maximizing productivity. The couplers are available in hydraulic and manual versions.
The combined function high-pressure auxiliary lines and quick connectors are fitted as standard. This auxiliary system includes a diverter valve which provides optimum performance when using a one-way flow (hammer) or two-way flow (auger and thumb) work tool. This feature allows the machine to adapt to a wide variety of applications without re-configuring the auxiliary lines. Versatility is further enhanced with optional hydraulic lines enabling the use of a hydraulic quick coupler. A secondary auxiliary supply circuit for work tools utilizing a rotating or other medium-pressure circuit is also available as an optional attachment.The auxiliary flow can be changed through the in-cab COMPASS display panel. This allows the machine and work tool to provide optimum performance and better match the customer's application requirements.
Thum ready sticks are standard on the E Series models saving the customer time and money when a thumb is desired. The brackets are already welded in the proper location and relief valves are built in to the main control valve.
The Cat 308E CR SB offers different track options to choose from allowing the correct machine configuration to suit the job.
The standard track offering is a 450 mm (18 in) triple grouser track. Grease-lubricated track links, split master link and sealed track rollers reduce owning and operating costs. Steel tracks provide optimum stability when lifting over the side. This track is also offered in a 600 mm (24 in) width that provides additional stability and reduced ground pressure.
This rubber belt is a traditional mini excavator attachment providing minimal work site damage and the ability to work on multiple surfaces. Construction of this rubber track consists of embedded steel shanks which engage the sprocket and steel cables ensuring rigidity and straight travel.
The 450 mm (18 in) wide shoe has four holes that attach rubber pads to the track. This option will prevent damage to paved road surfaces minimizing noise and vibration during travel with a standard steel track system.
The dozer blade is an important tool used for backfilling trenches, levelling, landscaping, lifting and jobsite clean-up. There are two blade options available. The standard 2320 mm (91 in) blade comes with a replaceable weld-on dozer wear edge and the optional 2470 mm (97 in) blade comes with a replaceable bolt-on dozer wear edge. Both blades are constructed of hardened steel for longer life and extreme dozing ability.
Tie-down points are located on the blade and undercarriage for easy and safe machine tie down for transportation.
Robust, reliable and easily serviceable are the key attributes of Cat® Mini Hydraulic Excavators. Full steel body work panels and protected front linkage lines are routed neatly out of the way of potential damage above the boom. Easy access to all daily service points are accessed through the rear hood and side cover. A 500 hour engine oil change period lowers operating costs and the Cat S•O•SSM points assist easy oil sampling for preventative maintenance checks.
An anti-theft device now comes standard on every E Series machine with the COMPASS system. This security system uses a 5 digit alphanumeric password that is required to start the machine when the anti-theft feature is enabled.
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