Connect CatCar catalogs

Model

Model	Parameters	Description	Catalog
744.950	HL 4/30 DS-6,4	REAR AXLE,RATIO 43:10	17Y
744.959	HL 4/30 D-6.4	REAR AXLE,RATIO 46:12	17Y
744.960	HL 4/35 D-6,4	REAR AXLE,RATIO 43:10	17Y