© AGCO Corporation, 2008 All rights reserved.
Part Number 79032966 A Rev. (English)
Printed in U.S.A.
August 2008
Challenger
®
660B / 670B
Rotary Combine
SERVICE MANUAL
79032966 A Rev.
CONTENTS
GENERAL INFORMATION ....................................................................................................................................01
SPECIFICATIONS..................................................................................................................................................02
ENGINE WORKSHOP MANUAL ........................................................................................................................03A
ENGINE - DRIVES, COOLING AND FUEL......................................................................................................... 03B
MATERIAL HANDLING..........................................................................................................................................04
MATERIAL DISCHARGE.......................................................................................................................................05
REAR AXLE ...........................................................................................................................................................06
THRESHING AND SEPARATING..........................................................................................................................07
FRONT AXLE......................................................................................................................................................................08
HYDRAULICS.....................................................................................................................................................................09
ELECTRICAL......................................................................................................................................................................10
ELECTRONICS...................................................................................................................................................................11
CAB AND HVAC.................................................................................................................................................................12
GRAIN HEADER.................................................................................................................................................................13
CORN HEADER..................................................................................................................................................................14
RESERVED.........................................................................................................................................................................15