PNR 2500 class

The PNR 2500 class is a class of 43 GE U10B Diesel Electric Locomotives first introduced in 1965 with the delivery of the first 13 locomotives of the class.[2][3] The locomotives were previously used for long haul services in the PNR North Main Line and the PNR South Main Line.

PNR 2500 class
DEL 2540 performing as a work train with an SVI shunter at the back. 2540 was the first unit wearing the Orange livery.
Type and origin
Power typeDiesel-electric
BuilderGE Transportation
Serial number35674-35686
40742-40751
40901-40910
41838-41847
ModelGE U10B
Build date1965 (2501-2513)
1976 (2514-2523, 2524-2533)
1979 (2534-2543)
Total produced43
Specifications
Configuration:
​
 • AARB-B
 • UICBo-Bo
Gauge1,067 mm (3 ft 6 in)
Wheel diameter39 in (1,000 mm)
Minimum curve57 degrees
Wheelbase2.18 m (7 ft 2 in) per bogie
Length11 m (37 ft)
Width2.7 m (9 ft)
Height3.7 m (12 ft)
Loco weight50 t (110,000 lb)
Fuel typeFuel oil
Prime moverCaterpillar D398
Engine typeDiesel engine
AlternatorGE GMD-175
GeneratorMain: GE-GT601
Auxiliary: GE GY27
Traction motors4 × GE 761
Cylinders12
TransmissionElectrical
Gear ratio93:18
Loco brakeDynamic and air
Performance figures
Maximum speed103 km/h (64 mph)
Power output1,050 hp (780 kW)
Tractive effort:
​
 • Starting104 kN (23,300 lbf) at 30%
 • Continuous150 kN (33,000 lbf) at 48 km/h (30 mph)
Career
OperatorsPhilippine National Railways
Class2500 class
Number in class43
Numbers2501–2543
LocaleManila
Naga
DeliveredDecember 1965 (2501-2502)
January to March 1966 (2503-2513)
April 1976 (2514-2523)
May 1976 (2524-2533)
June 1979 (2534-2543)
First run1965
Disposition1 active, 2 inactive, 40 scrapped
[1][2]

Build numbers

The following are the build numbers of the PNR 2500 class.[2]

Locomotive NumberBuild Number Year References
250135674 1965 [3][2]
250235675
250335676 1966
250435677
250535678
250635679
250735680
250835681
250935682
251035683
251135684
251235685
251335686
251440742 1976
251540743
251640744
251740745
251840746
251940747
252040748
252140749
252240750
252340751
252440901
252540902
252640903
252740904
252840905
252940906
253040907
253140908
253240909
253340910
253441838 1979
253541839
253641840
253741841
253841842
253941843
254041844
254141845
254241846
254341847

Status

As of May 2023, only 1 unit is active, 1 unit is transferred to Caloocan workshops after being used as a Bicol commuter hauler, 1 unit is beyond economical repair, and 40 units were scrapped.

Locomotive NumberStatus Notes
2501Scrapped
2502Scrapped
2503Scrapped
2504Scrapped
2505Scrapped
2506Scrapped
2507Scrapped
2508Scrapped
2509Scrapped
2510Scrapped Scrapped in 2009.
2511Scrapped 2511 had 2515's cowcatcher refitted on it.
2512Scrapped 2512 was once used as a Christmas Train in 1974.
2513Scrapped
2514Scrapped
2515Scrapped 2515 was scrapped In 2009. Had a text under its numbering cowcatcher "HC-30".
2516Scrapped
2517Scrapped
2518Scrapped 2518 was scrapped in 2009. Had a text under its numbering cowcatcher "HC-29" when it was in red and green livery. [4]
2519Scrapped
2520Scrapped
2521Scrapped
2522Scrapped 2522 was apart of a failed rehabilitation project, resulting in being scrapped.
2523Scrapped
2524Scrapped
2525Scrapped
2526Scrapped
2527Scrapped
2528Scrapped 2528 was apart of a failed rehabilitation project, resulting in being scrapped.
2529Scrapped
2530Scrapped
2531Scrapped
2532Scrapped
2533Scrapped
2534Scrapped
2535Inactive 2535 was declared Beyond Economical repair at Caloocan Workshops in 2016.
2536Scrapped
2537Scrapped
2538Inactive 2538 was transferred to Caloocan workshops. The last unit wearing the Blue II livery.
2539Scrapped
2540Active 2540 was repainted in Orange livery in 2021. 2540 currently serves as a Bicol Commuter hauler.
2541Scrapped
2542Scrapped
2543Scrapped

Parts acquisition

Parts for only 1 active locomotive are sourced from inactive locomotives as new parts for the U10B are not available.

See also

References
  1. Craig, Robert. "GE U10B Specs". Retrieved June 8, 2014.
  2. Craig, Robert. "GE U10B Roster". Retrieved June 8, 2014.
  3. "Philippine Train Enthusiasts and Railfans Club (PTERC) | GE U10B Road Switchers". www.facebook.com. Retrieved December 27, 2021.
  4. Philippine Train Enthusiasts and Railfans Club (PTERC) | DEL 2518 MetroTren ERA, retrieved March 16, 2022
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