№ Part Number Description Part count in models 238А-1700004 Gearbox with clutch housing and reduction gear (Unit/Part is not on the picture) 11 1 238А-1700010 Gearbox and auxiliary gearbox assy 11 238Б-1700004 Gearbox with clutch housing and reduction gear (Unit/Part is not on the picture) 11 2 238Б-1700010 Gearbox and auxiliary gearbox assy 11 238К-1700006-50 Gearbox and auxiliary gearbox assy (Unit/Part is not on the picture) 11 238М-1700006-50 Gearbox and auxiliary gearbox assy (Unit/Part is not on the picture) 11