Description H0 DB Otmm 70 self-unloading wagon Two-axle open self-unloading van type Otmm 70 of the German Federal Railways (DB), with stage and access ladders. Operating condition around 1963. Equipment: NEM coupling shaft short-coupling kinematics. Technical data: Age group: from 15 years Type (model railroad): Bulk goods wagon Size: H0 Manufacturer. -Part number: 46319 lÜP/lÜK: 112 mm Power system: AC