PNR 2500 Class

PNR 2500 Class
Type and origin
Power type	Diesel-electric
Designer	General Electric
Builder	General Electric
Serial number	35674-35686[1]; 40742-40751[1]; 40901-40910[1]; 41838-41847[1]
Model	GE U10B
Build date	1965 (2501-2513); 1976 (2514-2523, 2524-2533); 1979 (2534-2543)
Total produced	43
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo-Bo
Gauge	Cape Gauge
Wheel diameter	1,000 mm (39 in)[2]
Minimum curve	57 degrees[2]
Wheelbase	7 ft 2 in (2.18 m) per bogie[2]
Length	37 ft (11 m)[2]
Width	9 ft (2.7 m)[2]
Height	12 ft (3.7 m)[2]
Loco weight	110,000 lb (50 t)[2]
Fuel type	Fuel oil
Prime mover	Caterpillar D398
Engine type	Diesel engine
Cylinders	12
Transmission	93/18 gear ratio[2]
Performance figures
Maximum speed	64 mph (103 km/h)[2]
Power output	1.050 hp (0.783 kW)
Tractive effort	23,300 lb (10,600 kg) starting; 33,000 lb (15,000 kg) continuous at 30 mph (48 km/h)[2]
Career
Operators	Philippine National Railways
Class	2500 Class
Number in class	43
Numbers	2501 - 2543
Locale	Manila; Naga
Delivered	1965 (2501-2513); 1976 (2514-2533); 1979 (2534-2543)
First run	1965
Disposition	Of the 43 engines,; 2 is currently active; 41 are historic

The PNR 2500 Class is a class of 43^[1] GE U10B locomotives first introduced in 1965 with the delivery of the first 13 locomotives of the class.

Build numbers

The following are the build numbers^[1] of the PNR 2500 Class.

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