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Home   Brass-Steam   HO Brass Key Imports UP - Union Pacific 3700 Class 4-6-6-4 Challenger Coal Version C.S. No. 23 Factory Painted
HO Brass Key Imports UP - Union Pacific 3700 Class 4-6-6-4 Challenger Coal Version C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted
  • HO Brass Key Imports UP - 1984 Union Pacific 3700 Class 4-6-6-4 Challenger Coal Locomotive, C.S. No. 23 Factory Painted

HO Brass Key Imports UP - Union Pacific 3700 Class 4-6-6-4 Challenger Coal Version C.S. No. 23 Factory Painted

$799.99  $50.00
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Product Detail

This 1984 Key Imports model was built by Samhongsa in Korea. While some sources say it's from 1980, the yellow foam and construction style suggest later Samhongsa work. The box has minimal shelf wear. It comes with spare parts and tools. It's a modernized locomotive with factory painting. There's some layout wear and a little dust, but the work is good. The lights have lenses and the tender has a coal load. Note that the engineer's side train indicator board on the smokebox is bent downward - check the photos. Brand: Brass Key Imports. Part Number: C.S. 23. Condition: C-7 Excellent. Wheel Wear: Minimal. Noise: 3 of 10 - Moderate motor/gearbox noise. It runs well. Motor: Can Motor. It has basic backhead detail. It's factory painted with some layout/display wear. Control: Analog – DC Only. Lighting: None. Couplers/Trucks: Kadee coupler on tender and a cast coupler on locomotive. Packaging: Original Box and Foam. Free Domestic USA Shipping for all purchases over $199! Flat shipping rates are based on item value or weight. All items are fully insured and shipments over $250 need a signature. We ship worldwide. International rates are calculated for affordability. Buyer pays for imports, duties, and tariffs. Rates are calculated at checkout. Transit times vary. Our packing is top - notch. We accept major credit cards, PayPal, Apple Pay, Google Pay, etc. No personal checks or cash by mail. Bank checks and money orders with prior approval. All prices in USD. 100% Satisfaction Guarantee: If not happy, get a 30 - day no - questions - asked money back. Buyer pays return shipping unless item is damaged on arrival.





















Using your locomotive is easy. Just connect it to an analog DC power source, and it will start running. When handling the locomotive, be careful not to touch the bent train indicator board on the smokebox to avoid further damage. For maintenance, keep it in a dry and clean place. If you notice any excessive noise from the motor or gearbox, you can try lubricating the moving parts gently. When storing, put it back in the original box and foam to protect it from dust and scratches. Also, make sure to handle it with care when taking it out or putting it back in the box to avoid any accidental damage.

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