The Oriental Railway only had steam locomotives.
Its main suppliers were Austrian, German, French and Belgian manufacturers.

Locomotives with tenders were numbered 0 to 300, tank locomotives with tender were numbered 301 to 500.
Locomotives transferred from the Thessaloniki - Monastir received separate numbers in the 500 to 600 range .
The reason is no longer known.
 Finally the 3 Mallet locomotives were numbered 601 to 603.

Oriental Railway locomotives were taken over by the various national railways that also overtook the network.
Some locomotives went to the CFFH before going th either SEK or TCDD.

Several locomotives of the Oriental Railway have been preserved.
The former Locomotive 407 built in 1874 and taken over by the TCDD under the number 2251 in 1937, stands as a memorial locomotive in front of Istanbul Sirkeci Station.
Until 1965 she was still used by the TCDD, most recently in Adana, she was thus over 90 years in use.
A 1912 locomotive supplied by Maffei with the CO number 338 is now in the Railway Museum Çamlik with TCDD 3558 number.
Another locomotive of this series is monument locomotive at Amasya station.
The TCDD 33508 is a monument locomotive in Sivas.
The Oriental Railway only had steam locomotives. Its main suppliers were Austrian, German, French and Belgian manufacturers.
Locomotives with tenders were numbered 0 to 300, tank locomotives with tender were numbered 301 to 500. Locomotives transferred from the Thessaloniki - Monastir received separate numbers in the 500 to 600 range . The reason is no longer known.  Finally the 3 Mallet locomotives were numbered 601 to 603.
Oriental Railway locomotives were taken over by the various national railways that also overtook the network. Some locomotives went to the CFFH before going th either SEK or TCDD.
Several locomotives of the Oriental Railway have been preserved. The former Locomotive 407 built in 1874 and taken over by the TCDD under the number 2251 in 1937, stands as a memorial locomotive in front of Istanbul Sirkeci Station. Until 1965 she was still used by the TCDD, most recently in Adana, she was thus over 90 years in use. A 1912 locomotive supplied by Maffei with the CO number 338 is now in the Railway Museum Çamlik with TCDD 3558 number. Another locomotive of this series is monument locomotive at Amasya station. The TCDD 33508 is a monument locomotive in Sivas.
Chemins de fer Orientaux