Connect CatCar catalogs

Model

Model	Parameters	Description	Catalog
744.303	HL 4/1-7,6	REAR AXLE, RATIO 40:7	16M
744.334	HL 4/1-7,6	REAR AXLE, RATIO 48:7	16M
744.338	HL 4/1-7,6	REAR AXLE, RATIO 48:7	16M
744.339	HL 4/4-8,8	REAR AXLE, RATIO 40:7	16M