Model Train Guides
Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge: Scale, Layout & Compatibility Guide

Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge is the specific model railroad track represented by this listing from Lionel. This guide interprets the exact record—its title, SKU, photographed item, variant state and catalog context—rather than stretching a generic category article over the product.
How this release is identified
- Exact product: Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge
- Brand or vendor: Lionel
- Product type: Model Railroad Track
- SKU or catalog key: LNL49859
- Manufacturer item: 6-49859
See the product page for current pricing and availability.
Manufacturer item 6-49859 is a stronger matching key than a shortened marketplace title. The working catalog key is LNL49859. That key should travel with the saved URL and product image so a later comparison does not collapse this item into another model railroad track listing.
Product details
The product page identifies the item this way: “Lionel American Flyer 6-49859 FasTrack R27 Curve is a wide-radius S gauge curved track section for American Flyer FasTrack layouts. The curve uses a 27-inch radius, forming a 54-inch diameter circle when twelve sections are used. Gauge: S Gauge / American Flyer Track system: FasTrack Radius: 27 inches Diameter: 54 inches Sections per circle: 12 Manufacturer item: 6-49859 / 49859 HLH SKU: LNL49859 UPC: 023922498595” Compare the product photos, item number and selected option before ordering.
Practical use and compatibility
The title of Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge may contain scale, road number, body type or decoder family, but no single phrase settles compatibility. Use LNL49859 with the images and current documentation. A visually similar car can carry a different road number; a similarly named decoder can use a different interface.
Test new rolling stock or electronics on a controlled section before regular service. That isolates clearance, pickup, coupler-height and programming issues without disrupting the full layout.
A closer project or collection check
For electronics, do not connect the item until the locomotive or accessory wiring is documented. For rolling stock, check free rolling, wheel gauge and coupler height. For structures, make a paper footprint before cutting scenery. Each approach tests the highest-risk compatibility point first.
The live page remains the source for current price and availability; the roster remains the source for what the layout already owns.
Why the exact photo set matters
Review the product photos and zoom in on the SKU, graphics, edges, connectors, part arrangement or package callouts relevant to this model railroad track. Do not substitute a generic manufacturer image when the exact listing supplies a more specific view.
A disciplined final review
- Match the full title and LNL49859.
- Confirm the selected variant and displayed quantity.
- Review the exact image set for the distinguishing details named above.
- Resolve every missing fit, scale, material or compatibility point from current instructions.
- Check live price and availability immediately before ordering.
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Cataloging and project notes
The permanent record should answer three questions: what exact item was bought, what arrived, and how it was used or stored. The title and LNL49859 answer the first; arrival photographs answer the second; project or collection notes answer the third.
Keeping those layers separate improves future comparisons and avoids unsupported grading.
Gift considerations
Gift buyers should match LNL49859 to a known collection, project or preference. If size, scale, interface or exact version is uncertain, preserve the receipt and avoid opening fit-sensitive packaging.
Product-specific questions
What is the safest comparison key?
Start with LNL49859, then verify the complete title and exact image. That sequence avoids most near-match errors.
Should availability wording be treated as permanent?
No. Stock and availability can change.
Decision summary: choose Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge when the complete identity, photographed details and intended use all match. The live page should settle current price and availability; this guide preserves the evidence needed to recognize the exact item.
Review the live Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge listing
When your item arrives
The evidence trail for Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge should remain attached to item number LNL49859. Compare the product received with the saved image before opening, modifying or installing it. Record any stated variation, missing measurement, accessory or condition qualifier, then add observed results only after direct inspection.
Completing the evidence trail
To close the record for Lionel American Flyer 6-49859 FasTrack R27 Curve – S Gauge, pair item number LNL49859 with the live image and the stated vendor, Lionel. The listing classifies it as Model Railroad Track. Those details should agree before another product is treated as an equivalent option. Any unstated dimension, material, quantity or compatibility point remains a question rather than a fact.
Keep a dated arrival image and record how the item was stored, displayed, installed or used. If the product is altered, preserve a description of the starting state and the changes made. This exact-item history supports future maintenance, collection audits and repeat purchases while keeping observations separate from the manufacturer or seller’s original claims.

