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The Centre for Railway Information Systems (CRIS) designs, develops, implements and maintains most of the important information systems of Indian Railways. It is under the ownership of Government of India and administrative control of the Ministry of Railways. It is located in Chanakyapuri, New Delhi. CRIS was established in 1986.
Locomotives are classified by track gauge, motive power, function, power rating and model in a four- or five-letter code. [21] The locomotives may be Longer Hood Front (LHF), where the driver cabin is behind the hood of the engine or Short Hood Front (SHF), where the cabin is located towards the front.
The Indian locomotive class WAP-7 is a class of 25 kV AC electric locomotives that was developed in 1999 by Chittaranjan Locomotive Works (CLW) for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P) locomotive, 7th generation (7). They entered service in 2000.
The Indian locomotive class WDM-3A is a class of diesel–electric locomotive that was developed in 1993 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, with 3300 horsepower (3A). The WDM-3A is a later classification of earlier WDM-2C.
The Indian locomotive class WDG-4G (GE ES43ACmi) [1] is a class of dual-cabin freight-hauling diesel–electric locomotive used by the Indian Railways (IR). The locomotive is designed by GE Transportation and is based on its Evolution Series , which are used in North America .
The class as a whole is denoted by the WAG-9i prefix in its model number, although there is a technical variant of this class named WAG-9H, with the "H" meaning "Heavy". The WAG-9H/9Hi locomotives are the second heaviest in regular service in India (after the WAG-12 ), the only freight-dedicated three-phase AC locomotives in the country, and ...
Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers and managers who built the inaugural rail ...
The WAP-4 class was developed after its predecessor, the WAP-1, was found inadequate to haul the longer, heavier express trains (24-26 coaches) that were becoming the mainstay of the Indian Railways network. IR/RDSO had realized that the reason for the WAP-1’s performance problems were the low-powered 770 hp Alstom TAO 659 traction motors.