FACTORY SEALED​ Tyco 7712 1880 4-8-0 "Mastodon" Twelve Wheeler Kit HO Scale

SKU TY7712fs
Out of stock
Product Details

FACTORY SEALED Tyco 7712 1880 4-8-0 "Mastodon" Twelve Wheeler Kit HO Scale

This MRRHQ Collectible HO Scale Tyco 7712 1880 4-8-0 "Mastodon" Twelve Wheeler Locomotive Kit is a magnificent example of the "Iron Horse", the locomotive that spanned the plains and did so much to open the West. It's ornate and colorful decoration, with gleaming brass parts, earned for it the title of the "Belle of the Plains".

These rare and spectacular Tyco 7712 kits were offered FOR ONLY TWO YEARS, in 1976 and 1977, and are very hard to find as a result. Nearly 40 years later, they are even harder to find in this stunning New FACTORY SEALED mint condition.


  • FACTORY SEALED C10 Mint Condition with Mint Original Box.
  • One-piece boilers, engine covers, cabs and tenders of pressure-cast Zamac high impact plastic.
  • Castings are sharp and clean and include highly detailed boiler fronts, smoke stacks, valves, pipes and rivet heads.
  • Real Brass hand rails, fittings, ornate steam domes and tender pick-up wheels.
  • Powerful Pittman style 5-pole motor tested, polished and sealed.
  • Smooth, quiet nylon gears assembled on knurled axles.
  • Silent, flexible drive and slippage-free oversize knurled drive wheel axles.
  • Authentic brass hex-head screws for spacer-assembled side rods.
  • Easy rolling steel needle point truck axles.
  • Heavy cast metal locomotive and tender frames.
  • Stored and sealed in a custom made and fitted air tight heavy zip lock bag.
  • Available Option: Rear all metal Kadee Knuckle Coupler.
  • Tyco Catalog 1976-77
  • We do not recommend this kit for beginning modelers.
  • Click HERE for historical information about this legendary locomotive class.

HO Scale 1:87

Made in U.S.A .

Questions? Need advice? The modelers from MRRHQ are ready to help 24/7 @970-988-2866 or by email at info@modelrollercoasterhq.com

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