PRAIRIE 2-6-2 STEAM LOCOMOTIVE with SMOKE & OPERATING HEADLIGHT - U.P.® #1837 - HO Scale. In the early 1900's the 2-6-2 Locomotive were built to be used on the mid-western prairies. In all 1500 2-6-2 were built with many of them used in short lines. The Bachmann 2-6-2 models feature Locomotive & Tender with Smoke and Operating Headlight, Highly Detailed Locomotive and Tender Bodies, Metal Wheels and Siderods, and operating E-Z Mate Couplers. This model preforms best on 18" radius curves or greater.