Kusan-Auburn F-7 Diesel Locomotives

Kusan continued the same series of F-7 locomotives that American Model Toys (AMT) had earlier introduced. One way to tell the difference between an AMT and Kusan F-7 is to look at the roof line. AMT F-7's have a humped roof, whereas Kusan's are straight. Kusan locomotives also have a "KMT" oval on the sides. These engines have a powerful 7-pole AC/DC Pittman motor, which is rated for operation up to 25 volts. Neoprene "Traction Tread" rubber tires are installed on all four drive wheels, thus making these locomotives strong pullers.

Kusan-Auburn also offered an optional "DUO-TRAC" system, for an additional charge, which enabled their locomotives and rolling stock to operate on either two-rail DC or three-rail AC track. For DUO-TRAC, the wheels on either side of an engine or train car are insulated from each other. A slide switch on the bottom of a DUO-TRAC engine has two settings - "2 RAIL" and "3 RAIL," which can be changed by the operator depending on what type of track system is in use.

A possible Kusan Burlington F-7 protoype is also pictured on my site.

The Texas Special F-7

Kusan-Auburn catalog number F-1. The Texas Special 2019 F-7 A unit. Has improved side ventilation screens versus the earlier, same catalog number, AMT model.


Santa Fe F-7

Kusan-Auburn catalog number F-2. Santa Fe 322 F-7 AA units. Has improved side ventilation screens versus the earlier, same catalog number, AMT model.


Pennsylvania F-7

Kusan-Auburn catalog number F-4. Pennsylvania 8644 F-7 A unit. Painted dark green versus the earlier, same catalog number, bright red AMT model.


Southern F-7 DUO-TRAC

Kusan-Auburn catalog number F-5. Southern Railway 6755 F-7 DUO-TRAC AA units. Its AMT predecessor has a gray roof with the same catalog number.


Chicago & North Western F-7 DUO-TRAC with black fuel tank skirts

Kusan-Auburn catalog number F-6. Chicago & North Western 5400 F-7 DUO-TRAC AA units with black fuel tank skirts. The same catalog number AMT version has no markings for "The 400."


Chicago & North Western F-7 DUO-TRAC with yellow fuel tank skirts

Kusan-Auburn catalog number F-6. Chicago & North Western 5400 F-7 A unit with yellow fuel tank skirts. This locomotive does not have DUO-TRAC installed. Photo courtesy of the G. Clarke collection.

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