About · Caterpillar 311Overview
The Caterpillar 311 is a crawler excavator in the compact-to-mid-size class, with an operating weight of 12,516 kg and an engine output of 79 hp. It is equipped with a bucket capacity of 0.55 m3, positioning it for a broad range of earthmoving and site preparation tasks. As a Caterpillar product, it carries the brand reputation for build quality and parts availability that is well established in the European construction equipment market.
Typical applicationsWhere this machine is used
Machines of this weight class and bucket capacity are well suited to utility trenching, foundation excavation, and general site clearance work. The 311 is also commonly deployed on infrastructure projects such as road construction and drainage installation, where its size offers a practical balance between reach and maneuverability. It can operate effectively on confined urban sites where larger excavators are not practical.
Used-market inspectionWhat to check before buying
Before purchasing a used Caterpillar 311, inspect the undercarriage thoroughly, as tracks, rollers, and sprockets represent a significant portion of refurbishment cost on any crawler excavator in this class. Check the condition of the boom, arm, and bucket pin joints for play and wear, and review hydraulic hoses and cylinders for leaks or damage. A full service history and documented maintenance records add confidence to any acquisition decision, and a pre-purchase inspection by a qualified mechanic is advisable on any machine of this age and duty cycle.
Current marketPrice position
In the European market, the Caterpillar 311 carries an average asking price of EUR 38,480, with a typical price range running from EUR 31,920 to EUR 43,900 depending on age, condition, and configuration. Buyers comparing alternatives in this segment should also evaluate the Hitachi ZX135US and the Hitachi EX120, both of which compete directly in this weight and performance bracket. Pricing position relative to those competitors will depend on machine hours, service history, and attachment specification.