Parts list: № Number Qty Name Options 1 BL15707 1 Countershaft Next page: ST979077 Shifter Parts, Range Transmission, 6-Range (673929 - 943782) ST979078 Option Transmission Housing, W/ Creeper (673929 - 943782) ST705147 Mounting Parts, Option Housing ST979080 Drive Shaft / Countershaft, W/O Creeper (673929 - 943782) ST979082 Option Transmission Housing, W/O Creeper (673929 - 943782) ST979086 Drive Shaft / Countershaft, W/O Creeper (673929 - 943782) ST851449 Drive Shaft, Option Transmission, CommandQuad™ ST979085 Drive Shaft, 6-Range Transmission, 50 km/h (31 mph) (673929 - 943782)