ČKD T-669 diesel locomotive

T 669
T 669
and others
T 669 at Durrës station in Albania
Type and origin
Power typeDiesel-electric
BuilderČKD
ModelT669.0 770
Build date1968-1990
Specifications
Configuration:
  UICCo′Co′
Gauge1,435 mm (4 ft 8+12 in) standard gauge -
1,520 mm (4 ft 11+2732 in)
1,676 mm (5 ft 6 in)
Wheel diameter1,050 mm (41.34 in)
Wheelbase8,660 mm (28 ft 5 in)
Length17,240 mm (56 ft 6+34 in)
Loco weight115 t
(113 long tons; 127 short tons)
Fuel typeDiesel
Prime moverČKD K 6 S 310 DR
RPM range750
Engine typeDiesel
Cylinders6
Cylinder size310 mm × 360 mm
(12.2 in × 14.2 in)
TransmissionDC Electric
MU workingyes
Performance figures
Maximum speed90 km/h (56 mph)
Power output993 kW (1,332 hp)

T-669.0 (770) class diesel locomotives, built by ČKD are six-axle, with two bogies. The wheel pairs are set in radius arms and have a simple coil spring suspension. The body is mounted on the frame with eight anchors. The locomotive is a hood unit type with an internal, eccentrically positioned operator's cab.