Later version now with silver painted trailer doors and rivetted bases, yellow "Cooper Jarrett" decals are 100%. Connector is dark blue. Car rear ans tsailer axles are with "doble wheels" moulded in one piece, inner side is smooth. Cab with typ 1 front wheels, no weel nuts, smooth surface, smooth inner side, without quotation marks on Hendrickson. Excellent+ condition in excellent early "D" box. Hard to find cross over version with later casting and early wheels.