Museum Quality HO Scale Union Pacific GTEL 8500 Horsepower "Big Blow" Turbine #20

Product Description



Era: Mid to late 1960s 

Road Number Specific ScaleTrains

“A” Control Unit

  • Operating tri-color LED class lights
  • Printed and LED lighted number boards
  • Cab interior LED light
  • LED lighted control panel
  • Engineer side ground LED light
  • “A” unit rear walkway LED light
  • Nose grab irons
  • “Union Pacific” nose lettering
  • H – I dynamic brake housing configuration
  • Air intake scoops
  • Modified radiator with all-weather shutters
  • Fuel tank with extended retrofit
  • Operating cab doors with separate door handles
  • Detailed cab interior with separate control stand, floor, rear wall with water cooler, and seats
  • Photo-etched metal side grilles
  • Rubber Multiple Unit (MU) and electrical bus connections between the “A” and “B” units
  • Rubber water hoses between the “A” and “B” unit
  • Radiator mounted lost wax brass Leslie S-5T-R air horn
  • Square base whip antenna
  • SKF and Timken bearings
  • Wheel slip detectors
  • Speed recorder
  • Motor with 5-pole skew wound armature
  • Dual flywheels
  • All-wheel drive
  • All-wheel electrical pickup
  • Directional LED headlight
  • “B” Turbine Unit
  • Sliding engine compartment side doors
  • Detailed interior with turbine visible inside
  • Spinning turbine fan blade visible inside exhaust
  • Dynavane intake housing
  • I – I dynamic brake housing configuration
  • Offset air intake scoops
  • Blanked door panels
  • With rear MU connections
  • SKF bearings
  • Wheel slip detectors
  • Motor with 5-pole skew wound armature
  • Dual flywheels
  • All-wheel drive
  • All-wheel electrical pickup
  • 24C Fuel Tender
  • 24,000-gallon capacity
  • Welded seams
  • Insulated
  • Commonwealth 6-axle trucks
  • Truck chains
  • Factory-applied air tank, brake cylinder, and control valve
  • Factory-applied multiple unit (MU) hoses
  • Photo-etched metal tender deck walkway
  • Operating rear tender LED light




  • Curve squeal and frog clank sounds*
  • “A” unit prime mover sound
  • “B” unit turbine sound 

Standard Museum Quality Locomotive Features

  • Premium leather-like case
  • Fully assembled
  • ESU-LokSound 5.0 DCC and sound decoder equipped
  • ESU designed PowerPack with two (2) super capacitors
  • Operate using DC and DCC
  • Factory-applied wire grab irons, coupler cut levers, windshield wipers, and multiple unit (MU) hoses
  • Durable body-mounted die-cast metal semi-scale Type E knuckle couplers
  • Printing and lettering legible under magnification
  • Operates on Code 70, 83, and 100 rail
  • Packaging safely stores model
  • Minimum radius: 18” without water and electrical bus connections and tender truck safety chain attached
  • Recommended radius: 22”
 *Some sound and lighting functions are only operable using DCC 


Retail: $999.99
Our selling price: $799.99



For the latest ETA information, visit our product delivery page.



    Hear and See the Difference Now

    Hearing and seeing the “Big Blow” Turbine in action is believing.  Our friends at ESU-LokSound have a created a video to demonstrate the sound and lighting functions.

    $799.99 $999.99

    SKU: SXT70012