China Railways HXD1C

The HXD1C（和谐1C型电力机车） is an electric locomotive developed by CSR Zhuzhou Electric Locomotive Co., Ltd.. The design was revealed in 2009: a 7.2 MW power six axle, 150-tonne, Co'Co' locomotive.[1]

HXD1C
HXD1C0282
Type and origin Power type Electric Builder CSR Zhuzhou Electric Locomotive CSR Ziyang Locomotive CRRC Qishuyan Build date 2009-present Total produced 1207
Specifications Configuration: ​  • UIC Co'Co' Gauge 1,435 mm (4 ft 8 1⁄2 in) standard gauge Wheel diameter 1.250 to 1.150 m (4 ft 1.2 in to 3 ft 9.3 in) (new/worn) Axle load 23 t (22.6 long tons; 25.4 short tons) 25 t (24.6 long tons; 27.6 short tons) Adhesive weight 100% Loco weight 138 t (136 long tons; 152 short tons)(axle load at 23t) 150 t (150 long tons; 170 short tons)(axle load at 25t) Electric system/s 25 kV 50 Hz AC Catenary Current pickup(s) Pantograph Traction motors Six 3-Phase AC Traction Motors 1,225 kW (1,643 hp) rating Transmission AC-DC-AC Loco brake regenerative and electro-pneumatic
Performance figures Maximum speed 120 km/h (75 mph) Power output 7,200 kW (9,700 hp) (continuous) Tractive effort starting 520 kN (120,000 lbf)(axle load at 23t) 570 kN (130,000 lbf)(axle load at 25t)

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This type of locomotive can draft a 5000-5500t freight train at a gradient of not more than 12‰ of middle-east lines in China. It has high cost performance and distinct comprehensive environmental protection, energy-saving and economic benefits, and meanwhile, it is another main locomotive of Chinese railway transportation in future.[2] An Ethiopian variant has been built for Addis Ababa-Djibouti Railway.