Parts list: № Number Qty Name Options 1 19M7837 3 Screw M12 X 110 2 DE30205 1 Crankcase 3 19M8306 5 Screw M12 X 50 4 25M3827 2 Groove Pin 3 X 8 mm 5 CE20769 1 Pinion Z = 30 6 CE21337 1 Pinion Z = 33 7 RE274175 4 Ball Bearing 8 CE30400 1 Housing Next page: ST889462 Attachment, Air Compressor Install Kit, Final Tier 4 ST893471 Primary Countershaft Drive (2 of 3) ST893705 Main Gear Case ST893695 Main Gear Case Clutch ST839671 Power Takeoff Lubrication Pump W/ 5 Speed Variant, Tier 2 ST976537 Cooling Package Air Screen Jack shaft, 13.5 L ST976543 Cooling Package Air Screen Jackshaft, 13.5 L, Tier 2 / Tier 3 ST838395 Vacuum Fan Drive ST929890 Air Compressor Kit, Tier 2, Attachment, 2 of 2 ST892147 After Treatment Blower Drive, 9.0 L