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CP Class 3150 CP Class 3250

Manufacturer	Cravens, GEC (Class 3100) Sorefame (Class 3150) GEC-Alsthom, Siemens (Class 3150 and 3250 refurb)
Constructed	late-1950s
Number built	13
Specifications
Wheelbase	2'2'+Bo'Bo'+2'2'
Maximum speed	90 km/h (56 mph)
Weight	118.0 t (116.1 long tons; 130.1 short tons)
Traction system	Electric
Power output	960 kW (1,287 hp)
Electric system(s)	1500 V DC overhead line
Track gauge	1,668 mm (5 ft 5+21⁄32 in)

CP Class 3100 and CP Class 3200 are two related series of railway multiple units with Iberian gauge, 2'2'+Bo'Bo'+2'2' wheel arrangement. They utilise a 1500 V direct current voltage system. They were first introduced in 1959 in the suburbs of Lisbon. The series was refurbished between 1998 and 2002. Since the renewal, this series has been known as the CP Class 3150 and CP Class 3250.