Heljan 2850 2850 Class 02 'SAM' (ex-D2868) Industrial Plain Green Diesel Locomotive - Weathered. ITEM NUMBER 2850. RUNNING NUMBER ex-D2868 'SAM'. Built to replace the legendary Lancashire & Yorkshire 0-4-0ST 'Pugs', this class of 20 short wheelbase 0-4-0 diesel-hydraulic locomotives was based on a standard industrial design.
