as i know pakistan grounded its steam engines in musiams long time before.i post some info from offical site of PR.
we use diesel engines and produce diesel engines also.
Manufacturing & Services Unit
Headed by the General Manager Manufacturing & Services, this unit is composed of:
1. Concrete Sleeper Factories, ( CSF )
2. Carriage Factory. Islamabad, ( CFI )
3. Locomotive Factory, Risalpur.
4. Rehabilitation Project, Moghalpura Lahore.
5. Medical and Health Service.
6. Railway Construction Company ( RAILCOP )
7. Pakistan Railway Advisory & Consultancy Services ( PRACS )
8. Educational Facilities.
Concrete Sleeper Factories ( CSF ):
Pakistan Railway own five concrete sleeper factories, located at Sukkur, Khanewal, Kohat Cantt. , Shahinabad and Kotri. The factory at Sukkur was established in 1967, first in the sub-continent. other four factories came up in 1979-80. 514 Persons are working in CSF / Organization.
Pakistan Locomotive Factory, Risalpur
The locomotive manufacturing factory was established at Risalpur in 1993 at a total cost of Rs. 2284 million including a foreign exchange component of Rs. 1469 million. It is a modern factory and is equipped with state of the art plant & machinery. This factory is spread over an area of 257 acres, out of which 100 acres are covered by the factory while on the remaining 157 acres is the staff colony.
The design production capacity of the factory is 25 diesel electric locomotives per annum on single shift basis. The production capacity can however be increased by increased by introducing double shifts. The technology for manufacturing of locomotives has been acquired from Hitachi Ltd. Japan, General Electric ( USA ) / Adtranz ( Germany ) and dalian Locomotive & Rolling Stock Works, China. The factory has achieved the design capacity of 02 locomotives per month in the on going project of 69 DE Locomotives.
Pakistan Locomotive factory has so far manufactured 97 new Diesel Electric Locomotives of 2000-3000 hp for Pakistan Railways Besides manufacturing of new locomotives 26 overage Locomotives of 2000-2400 hp have also been rehabilitated by this factory. In addition to this, different spare parts of locomotives are also being manufactured on regular basis for use on Pakistan Railways. The locomotives manufactured in this factory are successfully operating the important main line trains and their performance and reliability's satisfactory. The factory has saved foreign exchange of Rs.1392 million on account of local manufacture.
Locomotive Rehabilitation Project Moghalpura, Lahore
The Diesel Electric Locomotive is the main source of power Traction Service. The expensive unit can not be replaced so frequently. Rehabilitation of Locomotive increases its useful life manifold for further service with less amount of expenditure. On this basis, PR set up a Project in 1976 in the Moghalpura Workshops Lahore, for the Rehabilitation of aging D.E. Locomotives, giving them a new lease of life of 15-20 years.
Railway Constructions Pakistan Limited (Railcop)
Railway Constructions Pakistan Limited ( RAILCOP), a subsidiary of Ministry of Railways was incorporated as a Public Limited Company in 1980 under the Companies Act 1913, with an initial investment of Rs. 0.5 million. Due to progress in construction activities the turn over of the company is Rs.775.0 million during the financial Year 2007-2008.
Pakistan Railway Advisory & Consultancy Services Limited (PRACS)
Pakistan Railway Advisory & Consultancy Services ( PRACS ) is public Limited company, which was established in the year 1976 and registered under Company's Act 1913 ( later on converted in to Companies Ordance 1984 ).
http://pakrail.com/infopak2.asp