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: ST893471 Primary Countershaft Drive (2 of 3) ST839672 Universal Driveshaft, 5 Speed ST838395 Vacuum Fan Drive ST871878 Air Compressor, V Grooved Belt Drive ST977266 Air Compressor and Engine Front Drive, Tier 2 / Tier 3 (120015 - ) ST871873 Air Compressor Tank ST871031 Engine Platform Decals, Final Tier 4 ST893516 Primary Countershaft, High Capacity (1 of 2) ST893518 Primary Countershaft, High Capacity (2 of 2) ST893470 Primary Countershaft Drive (1 of 3)