was set up by a group of professional and highly qualified
engineers. Facilities were geared towards the repair of
locomotive traction motors.
Indian Railways selected Rotomac to repair their electric
loco/diesel electric loco motors.
Rotomac was selected by the Indian Railways to become the
exclusive repair house in the private sector to repair traction
motors and generators of diesel electric locomotives. This
contract was valid until 1993 in which period over 4000
were repaired. In the history of Indian Railways this was the
largest duration for any contract.
Rotomac was franchised and appointed the authorized General
Electric (GE) repair shop in India. This agreement remained
valid until 1993.
Rotomac was appointed GE Sales Representative for insulating
materials in India. This agreement remained valid until 1993.
GE and Rotomac signed a collaboration agreement for the
manufacture of the GE range of insulating materials and
varnishes (class H & C) in India. The Rotomac insulating
materials unit was inaugurated by His Excellency, the American
Ambassador to India. The licensing agreement expired in
Rotomac R & D facility is recognized by the Govt. of India.
Rotomac enters export market:
Rotomac was awarded a contract to repair 40 GE 761 traction
motors of Indonesian Railways worth US$ 560,000.00. His
Excellency, the Indonesian Ambassador to India visited Rotomac
Rotomac was awarded a second order to supply spare parts for 50
traction motors to Indonesian Railways and other Railways worth
Rotomac received a contract from Bangladesh Railways to repair
traction motors and generators worth US$ 307,000.00.
Rotomac received an order from Canada for the supply of spare
parts of GE 761 traction motors for US$ 1.3 million.
In association with Chittaranjan Locomotive Works (CLW), Rotomac
develops the single coil design for the TAO 659 field coils.
Several stator frames fitted with the single coil design field
coils were tested at CLW and were found acceptable.
Rotomac enters traction motor and traction motor armature
Rotomac receives orders for updated versions of 60 GE 752
traction motors and GE 761 traction motors from the Railway
Rotomac receives orders for Alsthom make TAO traction motor
armature and stator frames.
Rotomac received repeat orders from Canada worth US$ 650,000.00
for the supply of traction motor spare parts including the
supply of new GE 761 traction motor, GE 752 traction motor
Rotomac received orders from Australia, Singapore and Malaysia
for the repair of traction motors worth US$ 300,00.00 and for
the supply of spare parts of traction motors.
Rotomac supplies 120 sets of single coil design field coils to
Rotomac becomes the approved source for the supply of insulating
materials of the temperature class 180°C/200°C.
Rotomac receives orders from CLW for new Hitachi traction motors
- 2 prototype traction motors were successfully type tested (as
per IEC 349) by CLW/RDSO engineers and were cleared for
Rotomac receives repeat orders from Canada for US$ 1.28 million
for traction motor spare parts.
Rotomac, Noida, the second traction motor works was commissioned
Rotomac installs new mica plant at Sahibabad.
Railway Board (Indian Railways) selects Rotomac for the
manufacture of Hitachi traction motors for their main line
locomotives (5000 HP).
Rotomac receives export orders from Malaysia and Canada for the
repair of traction motor armatures for an aggregate value of US$
Rotomac receives export orders from Australia for the
manufacture of new Hitachi traction motor armature and spare
parts worth US$ 824,000.00.
Rotomac becomes the second company in India to be able to carry
out successfully, the type tests on Rotomac traction motors for
main line electric locomotives as per IEC 349 both under DC and
Rotomac becomes the second approved source for the supply of
single coil design field coils for traction motor stators.
Rotomac receives approval for the supply of TAO 659 traction
motors to Indian Railways.
Rotomac receives orders for 42 TAO 659 traction motors from the
Rotomac receives a contract for the repair of traction motors
and generators from Bangladesh Railways and training of
Bangladesh Railway workshop engineers and workers in the art and
science of traction motor repairs.
Rotomac receives a contract from Myanmar Railways for setting up
a complete modern traction motor plant for them.
Rotomac supplies total plant and equipment sets for traction
motor manufacturing and repair works to Insein works of Myanmar
Supplies total spare parts for the repairs of traction motors.
Rotomac is perhaps one of the very few companies in the world
who possess the expertise in
manufacturing - new traction motors, new spare parts for
16 types and models of traction motors, thermal class 180°C/220°C
insulating varnishes and materials.
repairing - over 6500 traction motors of assorted
plant and equipment - special purpose equipments for
traction motor works, testing station for testing traction
motors as per IEC 349, special purpose jigs, fixtures, tools,
project work - setting up the most economical and
"state of the art" traction motor manufacturing and
development activities - re-engineering of very old
traction motors to upgrade HP rating (presently Rotomac is
carrying out this work for ACTS, Holland, for 60 traction motors
against a contract) and protective coatings for hot rolled, cold
rolled steel sheets, aluminum sheets, etc (patent applied for).
At Rotomac, it is
a continuous process of change, a never ending search for new
ideas and product lines since its inception.