Parts list: № Number Qty Name Options 1 AH168456 1 Splined Coupling 2 JD7147 1 Ball Bearing 3 R42729 6 Washer 4 R57725 6 Screw Next page: ST823517 Primary Countershaft Gear Case ST824135 Power Take-Off Gearcase, ProDrive™ (1 of 8) ST824153 Engine Gear Case, Tier 2 and Stage 5 ST865818 Power Take-Off Gearcase, ProDrive™ (2 of 8) ST865844 Power Take-Off Gearcase, ProDrive™ (3 of 8) ST821253 Electro-Magnetic Header Clutch and Primary Countershaft PICT-CSDV.1 CSDV Drives and Propulsion