This service and repair manual covers the Bobcat 331, 331E, and 334 excavators, specifically for the G Series models with serial numbers starting from 234311001 for the 331, 234411001 for the 331E, and 234511001 for the 334. These excavators are engineered for robust performance and reliability in demanding work environments, offering efficient operation and durability for a wide range of construction and landscaping applications.

The purpose of this manual is to provide comprehensive guidance for the maintenance, servicing, and repair of these Bobcat excavator models. It includes detailed procedures, technical specifications, diagnostic information, and safety precautions. By following the instructions within this manual, owners, technicians, and mechanics can ensure the optimal performance, longevity, and safe operation of their Bobcat 331, 331E, and 334 excavators.