Graham Farish 371-135 N Gauge Class 31/1 31154 BR Railfreight Grey. Category: Model Railways, Locomotives, Diesel Locomotives. Era: Era 8: British Rail Sectorisation 1986 - 1995. We are dedicated to ensuring the highest possible quality service to our customers. You can send us a message by using the "Questions and answers" section towards the bottom of the page.This item is in the category "Collectables\Model Railroads & Trains\Railroads & Trains\Locomotives". The seller is "agrmodelrailwaystore" and is located in this country: GB. This item can be shipped to United Kingdom.