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Overview – CAT 308E2 Mini Excavator

The durable hoods and frame and the compact radius design of the CAT 308E2 Mini Excavator will let you work comfortably and confidently in confined areas.

The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.


High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability.

Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.


Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine, able to meet the requirements of any job site.

180 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.


Front shovel bucket orientation provides the operator with more ways to get the job done faster.

COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button.

The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

Rearview camera improves operator productivity and efficiency through increased visibility, making work easier to complete.


All Cat Mini Excavators from 3.5 metric tons to 8 metric tons are ROPS, TOPS and Top Guard Level II certified and include the Cat Interlock (hydraulic lockout) System, a certified accumulator which allows for auxiliary pressure to be released, making connecting and disconnecting work tools safer and easier, and a travel alarm. All of these safety features are standard on the E2 model lineup (travel alarm optional in Europe).


The Cat 308E2 CR SB Mini Hydraulic Excavator delivers high performance with the versatility of a swing boom front linkage in a durable Compact Radius design to help you work in the tightest applications. With the COMPASS display panel, Tier 4 Final engine and new hydraulic system, the 308E2 CR SB is more productive, versatile and cost effective.


Engine Model Cat® C3.3B
Net Power 48.5 kW
Bore 94.0 mm
Displacement 3.33 L
Gross Power (ISO 14396) 49.7 kW
Net Power (ISO 9249) 48.5 kW
Rated Net Power @ 2,400 rpm (ISO 9249/EEC 80/1269) 48.5 kW
Stroke 120.0 mm


Operating Weight 8400.0 kg
Operating Weight with Cab 8400.0 kg
Note Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
Note Weight varies depending on machine configuration.