{"product_id":"kadee-812-o-scale-multi-purpose-coupler-height-gauge","title":"Kadee 812 O Scale Multi-Purpose Coupler Height Gauge","description":"\u003cp\u003eThe Kadee \u003cstrong\u003e#812\u003c\/strong\u003e is the O-scale multi-purpose coupler height gauge — the one tool that takes the guesswork out of coupler setup. Five jobs in a single all-metal fixture: coupler height, underbody clearance, NMRA track gauge, trip-pin height, and a mounting jig for the #811 uncoupler. If you run O scale with Kadee couplers, this is the tool that makes them work every time.\u003c\/p\u003e\n\u003ch3\u003eFive jobs in one gauge\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoupler height\u003c\/strong\u003e — visual reference for correct O-scale coupler head height above the rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderbody clearance\u003c\/strong\u003e — checks how far your car's underframe sits off the railhead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack gauge\u003c\/strong\u003e — verifies track width against N.M.R.A. standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip pin height\u003c\/strong\u003e — too low and it drags on turnouts and crossings, too high and it won't uncouple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting jig\u003c\/strong\u003e — positions the Kadee #811 between-the-rails uncoupler accurately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's in the package\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne #805 coupler with gearbox and lid\u003c\/li\u003e\n\u003cli\u003eCoupler arm, base plate and stamped metal plate\u003c\/li\u003e\n\u003cli\u003eScrews, nuts, knuckle spring and two centering springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSet the assembled gauge on a level section of straight track\u003c\/li\u003e\n\u003cli\u003eRoll a locomotive or freight car up to it\u003c\/li\u003e\n\u003cli\u003eThe coupler head should line up with the gauge's coupler; the trip pin should clear the marked clearance line\u003c\/li\u003e\n\u003cli\u003eIf anything is off — bend the trip pin with Kadee #237 pliers, or shim the coupler with #208 \/ #209 fibre washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e O (1:48), two-rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Multi-purpose coupler height \/ trip pin \/ track gauge, all-metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with:\u003c\/strong\u003e Kadee O-scale couplers including #745, #805, #806 and the #811 uncoupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Kadee® — Made in USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem \/ SKU:\u003c\/strong\u003e #812\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 765484008125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAge:\u003c\/strong\u003e 14+ — contains small parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eModelling in HO instead? See the Kadee \u003cstrong\u003e#205\u003c\/strong\u003e metal and \u003cstrong\u003e#206\u003c\/strong\u003e insulated height gauges. All ship from our Oakville, Ontario shop.\u003c\/p\u003e","brand":"Kadee","offers":[{"title":"Default Title","offer_id":45347674259638,"sku":"380-812","price":32.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/00812.jpg?v=1786380334","url":"https:\/\/oakvillemodeltrains.com\/products\/kadee-812-o-scale-multi-purpose-coupler-height-gauge","provider":"Oakville Model Trains Depot","version":"1.0","type":"link"}