Product description: DF4 diesel locomotive
Product class: diesel locomotive
Introduction: DF4 diesel locomotives are high-power trunk-line passenger/freight locomotives manufactured in trial by Dalian Locomotive and Rolling Stock Co., Ltd. from 1969. They were put into batch manufacture in 1974. After continuous improvement during practical operation, DF4B, DF4C and DF4D series products were manufactured. AC-DC transmission is adopted for DF4 locomotives, which is the biggest difference from the first generation of DF diesel locomotives.
CSR Luoyang Locomotive Co., Ltd. has been engaged in maintenance of DF4 diesel locomotives since 1996.
Main technical parameters:
Maximum service power of diesel engine: 3300 HP
Transmission mode: electric power (AC-DC)
Purpose: passenger and freight transport
Axle arrangement: C0-C0
Service weight: 138t
Axle load: 23t
Design speed: 120km/h for passenger locomotive and 100km/h for freight locomotive
Continuous speed: 26.3km/h for passenger locomotive and 21.9km/h for freight locomotive
Starting tractive effort: 35,100kg for passenger locomotive and 42,100kg for freight locomotive
Continuous tractive effort: 25,700kg for passenger locomotive and 30,800kg for freight locomotive
Wheel base of locomotive: 15,600 mm
Wheel base of bogie: 3,600 mm
Distance between bogie pivot centers: 12,000 mm
Distance between centers of couplers: 21,100 mm
Fuel reserve: 7.5t
Water/sand reserve: 1.2/0.8t
Diesel model: 16V240ZL
Model of main generator: TQFR-3000
Traction motor: ZQDR-410