{"product_id":"copy-of-n-wheelsets-33-554-axle","title":"N WHEELSETS 33\" (.537\" AXLE) (12)","description":"\u003cp\u003e\u003cstrong\u003e33\" Brass Insulated Wheelsets\u003cbr\u003efor Micro-Trains® Trucks\u003cbr\u003eAxle Length: 0.537\"\u003cbr\u003e12 Axles Per Pack\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eN Scale Nickel Silver Plated Brass Insulated Wheelsets\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThese wheels follow \u003ca href=\"https:\/\/www.intermountain-railway.com\/ho\/RP-25-2009.07.pdf\" target=\"_blank\" rel=\"noopener\"\u003eNMRA RP-25\u003c\/a\u003e Standards.\u003c\/li\u003e\n\u003cli\u003eOne wheel is insulated from the all-metal axle.\u003c\/li\u003e\n\u003cli\u003eThe entire wheelset is non-magnetic.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e33\" wheels are used on 50 \u0026amp; 70 ton capacity cars (CAPY approximately 150,000 LBS or less).\u003cbr\u003e36\" wheels are used on 100 ton capacity cars (CAPY approximately 200,000 LBS), and on all passenger cars no matter the era.\u003cbr\u003e38\" wheels are used on 150 ton capacity cars, primarily the center connection trucks on modern intermodal cars with 33\" wheels at the coupler ends.\u003c\/p\u003e\n\u003cp\u003eCabooses can use either 33\" or 36\" wheels depending on the prototype.\u003cbr\u003e\u003cbr\u003eThere is no prototype for the 34.5\" wheels used for Micro-Trains trucks. These wheels should be used regardless of car type or CAPY if Micro-Trains trucks are used on the car.\u003c\/p\u003e\n\u003cp\u003eThe CAPY information is typically printed on model freight cars and can be used as a guide. Some cars have the wheel size printed on the sides or ends of the car in the data. If you are ever unsure of which size to use, you can simply replace the wheels currently on the car with the same size.\u003c\/p\u003e\n\u003cp\u003eWheel diameter can be measured with a caliper:\u003cbr\u003e33\" wheels measure (33\/160=.206\") in N scale.\u003cbr\u003e36\" wheels measure (36\/160=.225\") in N scale.\u003cbr\u003e(160 = N scale to prototype ratio. N scale is 160 times smaller than the prototype).\u003c\/p\u003e","brand":"INTERMOUNTAIN RAILWAY CO.","offers":[{"title":"Default Title","offer_id":43885501612257,"sku":"INT60053","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/8993\/files\/7ede9b79739bbb9f0c4264a49c06481a_da6aae89-fd02-4a45-9f3e-1e97a1bbbc88.jpg?v=1683834697","url":"https:\/\/www.tammieshobbies.com\/products\/copy-of-n-wheelsets-33-554-axle","provider":"Tammies Hobbies","version":"1.0","type":"link"}