In 1938 ALCO introduced a line of high hood switchers powered by the new model 538 diesel engine which featured a cast iron engine block. This engine was offered in both a 660-hp (non-turbocharged 538) and 1000-hp (turbocharged 538-T) switcher, each weighing approximately 196,000 pounds. The horsepower rating could be adjusted downward slightly per customer specification by lowering the RPM of the diesel engine. Therefore, 600-hp and 900-hp models were offered concurrently. The HH600 and HH660 locomotive models were produced from 1938 to 1940 and were externally identical.
The Atlas Gold Series locomotives represent the height of model railroad design and technology. Each locomotive features exquisite craftsmanship, smooth performance, museum quality details and electronic Dual-Mode decoder that allows your locomotive to run with sound in DCC or traditional DC.
This locomotive features: all new tooling, early Blunt truck with separate brake cylinders/molded coil spring detail (optional) & metal truck chains, separately-applied metal grab irons & lift rings, separately-applied fine scale handrails/stanchions/coupler cut lever & piping, realistic die-cast frame, directional lighting with golden-white LEDs, five-pole skewed armature motor with dual flywheels for optimum performance at all speeds, blackened wheels, AccuMate couplers, programmable acceleration/deceleration & starting voltage, high quality 16 bit digital sound with 8 sound channels, authentic diesel engine sounds other sounds include air horn/bell, Doppler effect, brake squeal, coupling/uncoupling/air hose parting, and more!
For use on a DC powered or a DCC HO scale train track.
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