PNR 2500 class

Specifications
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo-Bo
Gauge	1,067 mm (3 ft 6 in)
Wheel diameter	39 in (1,000 mm)
Minimum curve	57 degrees
Wheelbase	2.18 m (7 ft 2 in) per bogie
Length	11 m (37 ft)
Width	2.7 m (9 ft)
Height	3.7 m (12 ft)
Loco weight	50 t (110,000 lb)
Fuel type	Fuel oil
Prime mover	Caterpillar D398
Engine type	Diesel engine
Alternator	GE GMD-175
Generator	Main: GE-GT601; Auxiliary: GE GY27
Traction motors	4 × GE 761
Cylinders	12
Transmission	Electrical
Gear ratio	93:18
Loco brake	Dynamic and air

Type and origin
Type and origin
Power type	Diesel-electric
Builder	GE Transportation
Serial number	35674-35686; 40742-40751; 40901-40910; 41838-41847
Model	GE U10B
Build date	1965 (2501-2513); 1976 (2514-2523, 2524-2533); 1979 (2534-2543)
Total produced	43

PNR 2500 class
PNR 2500 class
	DEL 2540 in Naga, Camarines Sur. 2540 was the first unit wearing the Orange livery.
Power type
Type and origin
Power type	Diesel-electric
Builder	GE Transportation
Serial number	35674-35686; 40742-40751; 40901-40910; 41838-41847
Model	GE U10B
Build date	1965 (2501-2513); 1976 (2514-2523, 2524-2533); 1979 (2534-2543)
Total produced	43
Configuration:;
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo-Bo
Gauge	1,067 mm (3 ft 6 in)
Wheel diameter	39 in (1,000 mm)
Minimum curve	57 degrees
Wheelbase	2.18 m (7 ft 2 in) per bogie
Length	11 m (37 ft)
Width	2.7 m (9 ft)
Height	3.7 m (12 ft)
Loco weight	50 t (110,000 lb)
Fuel type	Fuel oil
Prime mover	Caterpillar D398
Engine type	Diesel engine
Alternator	GE GMD-175
Generator	Main: GE-GT601; Auxiliary: GE GY27
Traction motors	4 × GE 761
Cylinders	12
Transmission	Electrical
Gear ratio	93:18
Loco brake	Dynamic and air
Maximum speed
Performance figures
Maximum speed	103 km/h (64 mph)
Power output	1,050 hp (780 kW)
Tractive effort:;
• Starting	104 kN (23,300 lbf) at 30%
• Continuous	150 kN (33,000 lbf) at 48 km/h (30 mph)
Operators
Career
Operators	Philippine National Railways
Class	2500 class
Number in class	43
Numbers	2501–2543
Locale	Manila; Naga
Delivered	December 1965 (2501-2502); January to March 1966 (2503-2513); April 1976 (2514-2523); May 1976 (2524-2533); June 1979 (2534-2543)
First run	1965
Disposition	1 active, 2 inactive, 40 scrapped

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.

Build numbers

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

Locomotive Number	Build Number	Year	References
2501	35674	1965	^[3]^[2]
2502	35675	1965
2503	35676	1966
2504	35677
2505	35678
2506	35679
2507	35680
2508	35681
2509	35682
2510	35683
2511	35684
2512	35685
2513	35686
2514	40742	1976
2515	40743
2516	40744
2517	40745
2518	40746
2519	40747
2520	40748
2521	40749
2522	40750
2523	40751
2524	40901
2525	40902
2526	40903
2527	40904
2528	40905
2529	40906
2530	40907
2531	40908
2532	40909
2533	40910
2534	41838	1979
2535	41839
2536	41840
2537	41841
2538	41842
2539	41843
2540	41844
2541	41845
2542	41846
2543	41847

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 Number	Status	Notes
2501	Scrapped
2502	Scrapped
2503	Scrapped
2504	Scrapped
2505	Scrapped
2506	Scrapped
2507	Scrapped	Scrapped in the late-2000's.
2508	Scrapped
2509	Scrapped
2510	Scrapped	Scrapped in 2009.
2511	Scrapped	2511 had 2515's cowcatcher refitted on it.
2512	Scrapped	2512 was once used as a Christmas Train in 1974.
2513	Scrapped
2514	Scrapped
2515	Scrapped	2515 was scrapped In 2009. Had a text under its numbering cowcatcher "HC-30".
2516	Scrapped
2517	Scrapped
2518	Scrapped	2518 was scrapped in 2009. Had a text under its numbering cowcatcher "HC-29" when it was in red and green livery. ^[4]
2519	Scrapped
2520	Scrapped
2521	Scrapped
2522	Scrapped	2522 was a part of a failed rehabilitation project. Her cab was used by 5002 following a crane mishap in 1996.
2523	Scrapped
2524	Scrapped
2525	Scrapped
2526	Scrapped
2527	Scrapped
2528	Scrapped	2528 was a part of a failed rehabilitation project. Scrapped in the mid to late-2000's.
2529	Scrapped
2530	Scrapped
2531	Scrapped
2532	Scrapped
2533	Scrapped
2534	Scrapped
2535	Inactive	2535 was declared Beyond Economical repair at Caloocan Workshops in 2016.
2536	Scrapped	Scrapped in the late-2000's.
2537	Scrapped	Scrap in the late-2000's.
2538	Inactive	2538 was transferred to Tutuban Yard. The last unit wearing the Blue II livery and is currently awaiting repairs.
2539	Scrapped	Scrapped in 2009.
2540	Active	2540 was repainted in Orange livery in 2021. 2540 currently serves as Legazpi Yard Shunter.
2541	Scrapped
2542	Scrapped
2543	Scrapped

Parts acquisition

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

Gallery

DEL 2538 Hauling Kiha 52 at Pasay Road Station
DEL 2538 hauling a Kiha 52 DMU at Santa Mesa, Maynila
DEL 2540 hauling a 203 Series EMU at Vito Cruz station.

References

[2]

[3]

[1]

[4]

Search

PNR 2500 class

Contents

Build numbers

Status

Parts acquisition

Gallery

See also

References