AZL 63305-1 ATSF RSD-4 #2103

The ALCO RSD-4 was a diesel-electric locomotive of the road switcher type rated at 1,600 horsepower (that rode on three-axle trucks, having a C-C wheel arrangement. Used in much the same manner as its four-axle counterpart, the ALCO RS-3, though the six-motor design allowed better tractive effort at lower speeds.

The first RSD release is for the ATSF. The ATSF’s prototype details include: Phase I body, body mounted number boards, ALCO Trimount trucks, dual bulb headlight, 2 single airhorns, lengthwise smokestack.

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AZL 63305-1 ATSF RSD-4 #2103

  • $185.00