ChME3

Specifications
Gauge	1,435 mm (4 ft 8 1⁄2 in) standard gauge ; 1,520 mm (4 ft 11 27⁄32 in) Russian gauge ; 1,676 mm (5 ft 6 in)
Wheel diameter	1,050 mm (41.34 in)
Minimum curve	80 m (262 ft)
Wheelbase	8,660 mm (28 ft 5 in)
Length	17,220 mm (56 ft 6 in)
Axle load	21 t (21 long tons; 23 short tons)
Loco weight	126 t (124 long tons; 139 short tons)
Fuel type	Diesel
Fuel consumption	220 g/(kW⋅h) (2.2 oz/MJ; 5.8 oz/(hp⋅h))
Prime mover	ČKD K 6 S 310 DR
RPM range	750
Engine type	Straight-six Diesel engine
Generator	ČKD TD 802 B
Traction motors	ČKD TE 006 6x
Cylinders	6
Cylinder size	310 mm × 360 mm (12.20 in × 14.17 in)
Transmission	Electric
MU working	yes

Type and origin
Power type	Diesel-electric
Builder	ČKD
Build date	1963-1994
Total produced	8200

ČME3; ЧМЕ3; and others
	ЧМЭ3-1482 on Volgograd-1 station, Russia
Type and origin
Power type	Diesel-electric
Builder	ČKD
Build date	1963-1994
Total produced	8200
Specifications
Gauge	1,435 mm (4 ft 8 1⁄2 in) standard gauge ; 1,520 mm (4 ft 11 27⁄32 in) Russian gauge ; 1,676 mm (5 ft 6 in)
Wheel diameter	1,050 mm (41.34 in)
Minimum curve	80 m (262 ft)
Wheelbase	8,660 mm (28 ft 5 in)
Length	17,220 mm (56 ft 6 in)
Axle load	21 t (21 long tons; 23 short tons)
Loco weight	126 t (124 long tons; 139 short tons)
Fuel type	Diesel
Fuel consumption	220 g/(kW⋅h) (2.2 oz/MJ; 5.8 oz/(hp⋅h))
Prime mover	ČKD K 6 S 310 DR
RPM range	750
Engine type	Straight-six Diesel engine
Generator	ČKD TD 802 B
Traction motors	ČKD TE 006 6x
Cylinders	6
Cylinder size	310 mm × 360 mm (12.20 in × 14.17 in)
Transmission	Electric
MU working	yes
Performance figures
Maximum speed	95 km/h (59 mph)
Power output	1,000 kW (1,300 hp)
Tractive effort	265 kN (60,000 lbf); Max 362 kN (81,000 lbf)

The ČKD ČME3 is six axle diesel locomotive with electric transmission built by ČKD. The class were used primarily for switching services. Units have been operated by Russia, Belarus, Ukraine (as class ЧМЭ3, transliteration ChME3) and other ex-Soviet bloc countries, in Czechoslovakia (as class T669, later as ŽSR 770 and ČD 770 in Slovakia and the Czech Republic), on industrial railways in Poland (S200), in Albania (HSH T669.1), Iraq (DES 3101), Syria (LDE 1500) and in India (DEC 120).

References

Sources

"Řada 770 (T669.0), 770.5,6 (T 669.05), 770.8 (T 669.5), "Čmelák" - Motorové lokomotivy - Atlas lokomotiv", www.zelpage.cz (in Czech)
Харьков транспортный. Ж.д. транспорт. Подвижной состав. Маневровые тепловозы ЧМЭ3 и их модификации, gortransport.kharkov.ua (in Russian)
"Lokomotivní řady 770 (T 669.0), 771 (T 669.1) - Atlas Lokomotiv", www.atlaslokomotiv.net (in Czech)
"ŠESTINÁPRAVOVÉ MOTOROVÉ LOKOMOTIVY ČKD Có Có 1 000 kW", www.skd.cz (in Czech), SKD TRADE, a.s. , English language version
"770 (T 669.0) Class Locomotive", www.skd.cz (in Czech), SKD TRADE, a.s. , English language version
""Grerëza" T669", www.t699.net (in Albanian)
"S200", www.locomotives.com.pl
Andreas Grießing, T669-Site: T669 & Co

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