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The rail units ( DMU) delivered by
The rail units ( DMU) delivered by Siemens
Siemens AG ( ) is a German multinational technology conglomerate. It is focused on industrial automation, building automation, rail transport and health technology. Siemens is the largest engineering company in Europe, and holds the positi ...
AG and employed by the operator RAJA
Raja (; from , IAST ') is a noble or royal Sanskrit title historically used by some Indian subcontinent, Indian rulers and monarchs and highest-ranking nobles. The title was historically used in the Indian subcontinent and Southeast Asia.
T ...
consist of multiple-units being composed of three different car types (A-car, B-car, and C-car). These cars can be coupled up to a train set length of eight cars. The minimum configuration consists of three cars (A-car, C-car, B-car).
The train sets are driven by internal combustion engines powered by diesel fuel. Each car is equipped with a traction unit consisting of a diesel engine, a turbo transmission, a hydrostatic
Hydrostatics is the branch of fluid mechanics that studies fluids at hydrostatic equilibrium and "the pressure in a fluid or exerted by a fluid on an immersed body". The word "hydrostatics" is sometimes used to refer specifically to water and o ...
driven auxiliary drive system and a three-phase auxiliary generator.
The train sets can be operated in multiple traction consisting of identically composed units. The maximum configuration is a multiple train set consisting of 12 cars. Any orientation of units to form a multiple traction trains is possible (coupling
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end mo ...
of A-car to A-car, A-car to B-car and B-car to B-car). Top speeds are unknown.
Rolling stock of Iran
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