{"product_id":"kato-2-152-ho-scale-unitrack-246mm-9-3-4-concrete-ties-straight-track-4pcs","title":"KATO 2-152 HO Scale Unitrack 246mm (9-3\/4\") Concrete Tie Straight Track - 4-Pack","description":"\u003cp\u003eThe \u003cstrong\u003eKATO 2-152\u003c\/strong\u003e is a 4-pack of HO Unitrack 246 mm (9-3\/4′′) \u003cstrong\u003econcrete-tie\u003c\/strong\u003e straight track sections — the modern-mainline variant of the standard wood-tie #2-150, with grey concrete ties molded into a grey-ballast roadbed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePrototype:\u003c\/strong\u003e Concrete ties replaced wood on many North American mainlines starting in the 1960s and are now standard for Class-1 high-speed mainline. Use concrete-tie Unitrack for modern mainline modelling; reserve wood-tie for branch lines, yards, and pre-1970 modelling.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKATO HO Unitrack system:\u003c\/strong\u003e Each section combines Code 83 nickel-silver rail, molded plastic ties, and a factory-attached ballasted roadbed in one drop-in piece. Integrated UniJoiners replace the rail joiner + separate roadbed steps — layouts assemble five to ten times faster than sectional or flex track, and break down and reassemble cleanly. Brown ballast represents wood-tie mainline; concrete-tie variants (#2-141, #2-152) represent modern poured-concrete mainline.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e HO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRail:\u003c\/strong\u003e Code 83 nickel-silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 246 mm \/ 9-3\/4′′ — 4 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTies:\u003c\/strong\u003e Concrete (grey)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood-tie variant:\u003c\/strong\u003e #2-150 (same length, brown ballast)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort concrete variant:\u003c\/strong\u003e #2-141 (123 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 2-152\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KATO","offers":[{"title":"Default Title","offer_id":45099136909494,"sku":"381-2152","price":15.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_066d9db3-21c3-4dc3-96a1-329c3c68c2e9.jpg?v=1779570006","url":"https:\/\/oakvillemodeltrains.com\/products\/kato-2-152-ho-scale-unitrack-246mm-9-3-4-concrete-ties-straight-track-4pcs","provider":"Oakville Model Trains Depot","version":"1.0","type":"link"}