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Maxi-Stack® IV Car

The Maxi-Stack® IV car is the mainstay of the United States domestic double-stack car fleet because it provides the optimum balance between tare weight and capacity. It is a three-unit, articulated double-stack car that can handle containers from 20’ to 53’ long in the well and containers from 40’ to 57’ in the top position.

Technical download

Dimensions

Length Inside
53’-2”
Width, Inside
9’-10 1/2”
Length, Over Couplers
203'-9 3/4"
Width, Extreme
9'-10 9/16"
Clearance
AAR PLATE H

Weight/Capacity

Light Weight
129,500 lbs
Gross Rail Load
485,000 lbs
Capacity/Load Limit
118,500 lbs

Curve Negotiability Radius

Uncoupled
180' horizontal
Coupled to Like Car
306'
Coupled to Base Car
302'
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