The first double decker rolling stock of the Nederlandse Spoorwegen, introduced in 1985.
Reference images:
DDM car
DDM driving car
DDM being pulled by 1600 class loco
mDDM power car
DDZ driving car
DDZ car
DDZ power car
DDM first class interior
DDM 2nd class interior
DD-AR first class interior
DD-AR second class interior
mDDM interior
DDZ first class lounge
DDZ second class
DDZ first class
DDZ second class lounge
DDZ power car interior
Specs:
Available from: DDM car 1985-2012, mDDM power car 1996-2013, DDZ 2012-~2030
Weight: DDM car 45 tons, mDDm power car 77 tons, 4-car DDZ set 230 tons, 6-car DDZ set 350 tons
Capacity: DDM car 120 passengers, DDM driving car 110 passengers, mDDM 32 passengers, 4-car DDZ set 384 passengers, 6-car DDZ set 626 passengers
Power: mDDM/DDZ power car 2400 kW
Tractive effort: ???
Top speed: 140 km/h
Lifespan: 50 years