This Service Workshop Repair Manual covers Cub Cadet 3000 Series Tractors, including models 3165, 3185, 3186, 3205, and 3225. Cub Cadet, established in 1961, is recognized for dependability and rugged construction, aiming to serve owners of rural homes with large yards and private gardens. These tractors are built to provide reliable performance for demanding tasks. This comprehensive 134-page manual provides detailed, step-by-step instructions for repair, maintenance, and troubleshooting. It covers key systems such as hydraulics and drivetrain, including transmission procedures for removal, installation, inspection, disassembly, reassembly, and neutral control adjustment. While engine repair is excluded and requires separate manuals, this document offers extensive technical information, specifications, and numerous illustrations, including exploded views, to assist DIY owners, professional technicians, and mechanics in maintaining and repairing their equipment effectively.