burgas, bulgaria - january 24, 2017. freight cargo train - black cars wagons. new 6-axled flat wagon ,type: sahmmn, model ww 6

axles black bogie bolts brake buffers burgas business cargo delivery depot energy flat freight heavy industrial industry iron itinerary logistic long metal new passing payload perspective pivots power production products rail railroad rails railway route shipment shipping speed station steel system track train transport transportation transvagon wagons wheel yellow