Model Number: 21903

and a sound generator

Model Number: 17700

Model Number: 70-75045

Car number: 750

Broadway Limited 6174 HO Southern Alkali 6000 Gallon Tank (Pack of 4) ProductID_11687824 Model Number: 21903This is a Broadway Limited 6174 HO Scale Southern Alkali 6000 Gallon Tank (Pack of 4). (A)= HANDRAILS,(B)= NO HANDRAILS, (624(A), 625(A), 628(A), 630(A)). It Features: Beautifully Detailed and Accurately Modeled, Precision Paint, Color, and Lettering Schemes, Many Separately Applied Details including Hand Rails, ladders, brake wheel, roof walkway, Detailed Underbody, Composition: ABS body, Diecast Chassis, Wheel Composition: Metal, Couplers: (2)