Belgian Railways Class 77

Specifications
Specifications
Configuration:;
• UIC	B'B'
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Wheel diameter	1,000 mm (39.37 in) (new)
Minimum curve	75 m (246.06 ft)
Wheelbase	bogie centre distance 7.770 m (25 ft 5.9 in); axle distance 2.400 m (7 ft 10.5 in)
Length	15.590 m (51 ft 1+3⁄4 in)
Width	3.052 m (10 ft 1⁄8 in)
Height	4.220 m (13 ft 10+1⁄8 in)
Loco weight	90 t; (88.6 long tons; 99.2 short tons)
Fuel capacity	4,200 L; (920 imp gal; 1,100 US gal)
Prime mover	Anglo Belgian Corporation 6DZC-1000-144A
Alternator	Auxiliary 3 phase 65–130 kW
Transmission	Voith Hydraulic L4r4zseU2a
Loco brake	pneumatic (Knorr-Bremse)

Type and origin
Type and origin
Power type	Diesel
Builder	Vossloh Schienentechnik/Vossloh Locomotives
Serial number	1000918 – 1001007; 1001217 – 1001296
Build date	1999–2005
Total produced	170

SNCB/NMBS 77
SNCB/NMBS 77
	Diesel locomotive #7798 of the Belgian State Railways (SNCB – NMBS), 2010
Power type
Type and origin
Power type	Diesel
Builder	Vossloh Schienentechnik/Vossloh Locomotives
Serial number	1000918 – 1001007; 1001217 – 1001296
Build date	1999–2005
Total produced	170
Configuration:;
Specifications
Configuration:;
• UIC	B'B'
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Wheel diameter	1,000 mm (39.37 in) (new)
Minimum curve	75 m (246.06 ft)
Wheelbase	bogie centre distance 7.770 m (25 ft 5.9 in); axle distance 2.400 m (7 ft 10.5 in)
Length	15.590 m (51 ft 1+3⁄4 in)
Width	3.052 m (10 ft 1⁄8 in)
Height	4.220 m (13 ft 10+1⁄8 in)
Loco weight	90 t; (88.6 long tons; 99.2 short tons)
Fuel capacity	4,200 L; (920 imp gal; 1,100 US gal)
Prime mover	Anglo Belgian Corporation 6DZC-1000-144A
Alternator	Auxiliary 3 phase 65–130 kW
Transmission	Voith Hydraulic L4r4zseU2a
Loco brake	pneumatic (Knorr-Bremse)
Maximum speed
Performance figures
Maximum speed	100 or 60 km/h (62 or 37 mph)
Power output	1,150 kW (1,540 hp)
Tractive effort	210–265 kN (47,000–60,000 lbf)
Operators
Career
Operators	SNCB/NMBS
Class	77
Numbers	7701–7870
Disposition	in service

The NMBS/SNCB Class 77 (also known as HLD 77 or HLR 77) is a class of 4 axle B'B' road switcher diesel hydraulic locomotive designed for shunting and freight work manufactured at the beginning of the 2000s by Vossloh Schienentechnik/Vossloh Locomotives at the Maschinenbau Kiel plant in Kiel, Germany for the National Railway Company of Belgium (SNCB/NMBS).

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