Operators manual opt the operators manual aka owners manual is the book that came oem from the manufacturer when the caterpillar d4d crawler was purchased it gives the owner operator instructions shift patterns capacities anti freeze crankcase oil hydraulic etc and adjustment procedures brakes clutch etc this book is a critical tool for operating and maintaining your machine. This massive 800 page printed caterpillar d4d crawler service manual is a reproduction of the original out of print factory manual this book provides detailed service information step by step repair instruction and maintenance specifications for the following caterpillar d4d crawlers caterpillar d4d crawler 97f1 up caterpillar d4d crawler 83j1 up caterpillar d4d crawler 82j1 up caterpillar d4d crawler 7r1 up caterpillar d4d crawler 74u1 up caterpillar d4d crawler . Caterpillar d4d crawler service manual 800 426 4214 note while we do our best to provide accurate up to date photos book covers and packaging vary with date of manufacture please call if you have questions regarding a product this massive 800 page printed caterpillar d4d crawler service manual is a reproduction of the original out of print factory manual this book provides detailed . D4d manual operators manual opt the operators manual aka owners manual is the book that came oem from the manufacturer when the caterpillar d4d crawler was purchased it gives the owner operator instructions shift patterns capacities anti freeze crankcase oil hydraulic etc and adjustment procedures brakes clutch etc. This caterpillar d4 d4d crawler factory service manual provides detailed service information step by step repair instruction and maintenance specifications for all caterpillar d4 crawler with serial numbers 78a1 up it also covers caterpillar d4d 91a1 up caterpillar d4d 88a1 up caterpillar d4d 86a1 up caterpillar d4d 85a1 up and caterpillar d4d 78a1 up this reproduction manual is a copy of the original out of print factory manual and includes model descriptions