This is The Operation, Care, and Repair of Farm Machinery written by technicians at John Deere. It is a 250+ pages of how to best how to maximize your time and farm equipment.
This book covers tractors, tillage equipment, planters, hay equipment, harvesting equipment and more.
BONUS: Also included is the John Deere Handbook How To Keep Your Equipment In the Fight a 66 page handbook on care and operation made by John Deere.