1. The JOHN DEERE TIMBERJACK 6466T Timbco TFB is a reliable and efficient timber harvesting machine designed to tackle tough forestry tasks with ease. With the powerful 6466T engine, this equipment ensures optimal performance in demanding environments. The TIMBCOMAY84 free online manual provides users with valuable information and guidance on operating and maintaining this top-of-the-line timberjack, making it a valuable resource for both new and experienced operators.