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Milwaukee Road (MILW) #452 RS3 HO Scale

SKU: RND96863
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ALCO built the RS-3 to respond to competition with EMD, Fairbanks-Morse, and Baldwin Locomotive Works. In the case of ALCO, the builder added more improvements to create new locomotive lines beyond the RS-2. ALCO produced 377 RS-2s versus the more successful RS-3s at 1,418.


  • Fully assembled and ready-to-run
  • Metal grab irons
  • Fine scale handrails
  • Large or small fuel tank per prototype
  • See through etched metal radiator fan
  • See through cab windows
  • McHenry scale knuckle spring couplers
  • Quick Plugª technology: DCC ready with 8-pin NMRA socket and 9-pin plug
  • LED Lighting for realistic color and appearance
  • Highly-detailed, injection molded body
  • Painted and printed for realistic decoration
  • All-wheel drive with precision gears for smooth and quiet operation
  • All-wheel electrical pickup
  • 5-pole skew wound motor with precision-machined flywheels and dual-linkª drive train for trouble free operation
  • Wheels with RP25 contours operate on all popular brands of track
  • Window packaging for easy viewing
  • Interior plastic blister safely holds the model for convenient storage
  • Minimum radius: 18


The new model produced slightly more horsepower than the earlier design at 1,600 hp using Alco's 12-cylinder, model 244 prime mover. Visually, the RS3 very similar to the RS2. Both had much more styling then ALCO's first diesel, the RS1. Additional curves with strong beveling to corners and edges giving the unit a much more streamlined appearance. At the time, some railroads elected to employ theirs RS3 diesels in passenger/commuter service. Many railroads appreciated this model for its versatility and reliability. RS3s were one of Alco's shops more popular locomotives.


DCC: Ready 8 and 9 pin plug
PROTOTYPE MANUFACTURER: American Locomotive Company
Axles: 4
COUPLER STYLE: McHenry Scale Knuckle
ERA: 1950s+
Minimum Age Recommendation: 14 years
Is Assembly Required: No