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<< Previous in Genesis “Original” 4-6-6-4 Challenger (Arrival 03.23.18) Next in Genesis “Original” 4-6-6-4 Challenger (Arrival 03.23.18) >>

Genesis ATHG97243 4-6-6-4 w/DCC & SND Oil, UP CSA-2 Class #3937, HO

FDT Low Price: $629.98
Sale Price: $535.98
You Save: $94.00 (15 %)
Item Number: ATHG97243
Manufacturer: Athearn




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on sale
Road Number Will Be #3937
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Key Features

  • Boiler backhead with printed manual controls
  • Individually applied piping, valves, generators, etc.
  • Correctly operating eccentric cranks
  • Adjustable cab roof vent
  • Headlights and number boards with directional light change
  • Tender light
  • Genesis Five pole, skewed armature motor with two flywheels
  • Pivoting front and rear engines for negotiating 18" radius curves
  • Current pick-up on all driver and tender wheels
  • 8-pin connector plug between loco and tender

Detailed Information

ROAD NUMBER SPECIFIC FEATURES:

ORIGINAL CHALLENGER SPOTTING FEATURES:

  • All road numbers
    • Spark arrestors
    • Coal and oil tender versions
    • Three different numbering series: 3700, 3800, 3900
    • Single and twin stack versions
    • Large and small dome versions
    • Early and Late style lettering schemes
    • With coal rack or without coal rack
    • Two steam pipe versions
    • There are five different pilots:
      • Boiler Tube with Widely Spaced Handrails
      • Steel Bars with Narrowly Spaced Handrails
      • Cast
      • Steel Bars with Wide Shield
      • Footboard Pilot
  • #3901:
    • Coal Tender
    • CSA-1 Class
    • Cast Pilot
  • #3813:
    • Oil Tender
    • Double Smoke Stack
    • CSA-1 Class
    • Steel Bars with Narrowly Spaced Handrails Pilot
  • #3802:
    • Coal Tender w/ Rack
    • CSA-1 Class
    • Large dome version
    • Cast Pilot
  • #3923:
    • Coal Tender
    • CSA-2 Class
    • Boiler Tube with Widely Spaced Handrails
  • #3827:
    • Oil Tender
    • CSA-2 Class
    • Footboard Pilot
  • #3707:
    • Coal Tender w/ Rack
    • CSA-1 Class
    • Large dome version
    • Cast Pilot
  • #3937:
    • Oil Tender
    • CSA-2 Class
    • Steel Bars with Wide Shield Pilot
  • #3710:
    • Coal Tender w/ Rack
    • Double Smoke Stack
    • CSA-1 Class
    • Cast Pilot

LOCOMOTIVE FEATURES:

  • Fully-assembled and ready-to-run
  • Boiler backhead with printed manual controls
  • Individually applied piping, valves, generators, etc.
  • Correctly operating eccentric cranks
  • Adjustable top cab vent
  • Illuminated LED directional headlight and back-up light in the tender
  • Five pole, skewed armature can motor with flywheels
  • Pivoting front and rear engines for negotiating 18” radius curves
  • Current pick-up on all driver and wheels
  • 8-pin connector plug between loco and
  • McHenry operating knuckle couplers installled
  • Minimum radius: 18”
  • Recommended radius: 22”

SOUND EQUIPPED MODELS ALSO FEATURE:

  • Onboard DCC decoder with ESU LokSound
  • Sound, units operate in both DC and DCC
  • Full DCC functions available when operated in DCC mode
  • Engine, whistle, and bell sounds work in DC
  • All functions NMRA compatible in DCC mode
  • Excellent Slow speed control
  • Many functions can be altered via Configuration Value (CV) changes
  • CV chart included in the box

PROTOTYPE HISTORY:

The Union Pacific Challengers were a type of simple articulated 4-6-6-4 steam locomotive built by American Locomotive Company for the Union Pacific Railroad. 105 of these locomotives were built between 1936 and 1943. The Challengers were nearly 122 ft (37 m) long and weighed 284,800 kg. They operated over most of the Union Pacific system, primarily in freight service, but a few were assigned to passenger trains operating through mountain territory to California and Oregon. The locomotives were built specifically for Union Pacific and much of the experience gained later went into the design of the “Big Boy”.

The name “Challenger” was given to steam locomotives with a 4-6-6-4 wheel arrangement. This means that they have four wheels in the leading pilot truck, which helps guide the locomotive into curves, two sets of six driving wheels, and finally four trailing wheels, which support the rear of the engine and its massive firebox. Each set of six driving wheels is driven by two steam cylinders. In essence, the result is two engines under one boiler. The Union Pacific Railroad sponsored development of this type to meet the need for higher speeds in main-line service. Historically, articulated locomotives had been limited to slow speeds by factors inherent in their design. The technical breakthroughs achieved with the Challenger enabled the carrier to develop the Big Boy with the same speed expectations. Speeds in excess of 60 M.P.H., while unheard-of on other railroads using articulated steam locomotives, became commonplace on the Union Pacific.

The 105 were divided into five orders, which can be put into two groups: the first two orders of “original” also known as “light” Challengers, and the final three of “heavy” Challengers.

Specifications

DCC: Equipped
SOUND: ESU LokSound
WHEEL CONFIGURATION: Challenger
COUPLER STYLE: McHenry Scale Knuckle
MIN. RADIUS: 22"
Minimum Age Recommendation: 14 years
Is Assembly Required: No

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