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The Union Pacific Challengers were simple articulated 4-6-6-4 steam locomotives built by American Locomotive Company for the Union Pacific. Union Pacific built 105 of these locomotives between 1936 and 1943. The Challengers were 122 ft (37 m) long, weighed 284,800 kg, and operated over most of the Union Pacific system, primarily in freight service. The excellent Challenger design allowed for increased speed on mountain grades compared to UP's previous articulated steam locomotives.
This BLI model is of the Class CSA-2 Challenger, commonly called an "early challenger". Our models have a post-1947 appearance, after the locomotives were renumbered from 3900 to 3800 series. We are offering three locomotive variations: four road numbers with the as-delivered front engine, four road numbers with a rebuilt front engine, and two road numbers with an integral cast cylinder front engine. All of our models are oil-burners with 19,000 gallon cylindrical tenders. We are also offering one painted but unlettered model of each variation, and we will build a small quantity of one model with all parts either varnished brass or painted brass. This model will have the as-delivered front engine.
Industry-Leading Features:
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CSA Challenger #3819 Model Information:
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- ALL-NEW Paragon4 Sound & Control System
- Synchronized Puffing Smoke with Chuff Sound
- Variable Puffing Smoke Intensity and timing
- Integral DCC Decoder with Back EMF for Industry Best Slow Speed Operation in DC and DCC
- Precision Drive Mechanism engineered for continuous heavy load towing and smooth slow speed operation
- 5-Pole Can Motor with Skew Wound Armature
- Premium Caliber Painting with Authentic Paint Schemes
- Prototypical Light Operation with Golden White LED Headlight, Rear Light
- Brass Caliber Detail at an Affordable Price
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- Brass Locomotive and Tender Body
- Heavyweight Die Cast Chassis for Maximum Pulling Power
- 19,000 Gallon Cylindrical Oil Tender
- As-Delivered Front Engine
- Distinctive UP Graphite Firebox & Smokebox
- Aluminum Lettering
- Many Separately Applied Details Including Handrails, Grab Irons, Ladders, Piping, Whistle, and Brass Bell
- Equipped with Traction Tires for Increased Pulling Power
- Engineer and Fireman Figures Installed
- Will Operate on Code 70, 83, and 100 rail
- Recommended Minimum Radius: 18 inches
- Accurate Prototypical Sounds for the UP CSA-2 Challenger
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Broadway Limited Imports is proud to introduce Paragon4: The new benchmark for premium HO sound-equipped locomotives. These DC and DCC-Sound equipped locomotives feature the ALL-NEW Paragon4 sound and control system. Each Paragon4 locomotive comes with BLI's own integral DCC Decoder factory installed. Paragon4 locomotives offer Dual Mode DC and DCC operation with superb back EMF motor control, improved DC motor control, built-in capacitor pack for more reliable electrical pick-up, industry best on-board sound with Rolling Thunder functionality, Pro Lighting Mode for prototypical light control, Switcher model for precise low speed control, recordable DCC operation for automated playback, and the same excellent detail level as Broadway Limited's Paragon3 Series models.
Paragon4 Sound & Control System Features:
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Operates in DC & DCC with improved DC speed control (use DCMaster for DC Sound)
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Built-In capacitor pack to navigate imperfect track
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Capacitor Pack automatically disabled on program track for full compatibility with JMRI Decoder Pro
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Pro Lighting Mode offers individual control of all lights on model
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Switcher Mode for precise low speed control.
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Record & Play Operation - Records and plays back sounds and movements once or repeatedly for automatic operation
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High Resolution Audio
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Quillable Whistle for various whistle lengths and patterns
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Choice of 3 selectable Horns
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Alternate Whistle / Horn where applicable for locomotive with air horn and steam whistle - both the main whistle and alternate can be easily played
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Adjustable bell ringing interval for faster or slower bell
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Numerous user-mappable functions with available keys
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Johnson Bar Sound at Direction Change
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Multiple realistic passenger and crew sounds play on command
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Grade Crossing Automatic Signal
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Automatic Forward / Reverse Signal - When activated, stopping triggers and stop whistle toot. When moving forward from a stopped position, toots twice. When moving in reverse. toots three times.
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Chuff sound intensity varies with load
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Individually adjustable sound volumes for each effect
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EZ Reset Button for quick return to factory default settings
**Specifications on this page subject to change.
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