Indian locomotive class WDG-6G

Specifications
Specifications
Configuration:;
• Commonwealth	Co-Co
Gauge	1,676 mm (5 ft 6 in)Broad Gauge
Bogies	Co-Co Fabricated Bogie
Wheel diameter	New: 1,092 mm (43.0 in); Condemned: 1,016 mm (40.0 in)
Minimum curve	174 m (571 ft) radius
Wheelbase	1,900 mm (1.9 m)
Pivot centres	14,224 mm (14.224 m)
Length:;
• Over couplers	22,313 mm (22.313 m)
Width	3,200 mm (3.2 m)
Height	4,227 mm (4.227 m)
Axle load	23 t (23,000 kg)
Loco weight	138,000 kg (138 t)
Fuel type	Diesel
Fuel capacity	8,300 L (1,800 imp gal; 2,200 US gal)
Lubricant cap.	1,300 L (290 imp gal; 340 US gal)
Coolant cap.	1,468 L (323 imp gal; 388 US gal)
Sandbox cap.	170 L (37 imp gal; 45 US gal)
Prime mover	GE GEVO-16
RPM:
• Maximum RPM	1050 rpm
Engine type	V16 Diesel engine, 4-stroke engine
Aspiration	turbocharged
Displacement	15.7L per cylinder
Alternator	5GDY131B
Traction motors	5GEB32B5 AC traction motors
Cylinders	16
Cylinder size	250 mm × 320 mm (9.8 in × 12.6 in)
Transmission	diesel electric
Gear ratio	85:16
MU working	Yes, AAR Type
Loco brake	Air, Dynamic Brake
Train brakes	Air
Compressor	178 CFM @ 145 psig
Couplers	CBC AAR Type-E

Type and origin
Type and origin
Power type	Diesel-electric
Designer	GE Transportation India, Bengaluru
Builder	GE Transportation, Erie, Pennsylvania, Diesel Locomotive Factory, Marhowrah
Model	ES57ACi
Build date	2019 - present
Total produced	92 as of October 2023

WDG-6G
WDG-6G
	Gandhidham based WDG-6G at Ghaziabad
Power type
Type and origin
Power type	Diesel-electric
Designer	GE Transportation India, Bengaluru
Builder	GE Transportation, Erie, Pennsylvania, Diesel Locomotive Factory, Marhowrah
Model	ES57ACi
Build date	2019 - present
Total produced	92 as of October 2023
Configuration:;
Specifications
Configuration:;
• Commonwealth	Co-Co
Gauge	1,676 mm (5 ft 6 in)Broad Gauge
Bogies	Co-Co Fabricated Bogie
Wheel diameter	New: 1,092 mm (43.0 in); Condemned: 1,016 mm (40.0 in)
Minimum curve	174 m (571 ft) radius
Wheelbase	1,900 mm (1.9 m)
Pivot centres	14,224 mm (14.224 m)
Length:;
• Over couplers	22,313 mm (22.313 m)
Width	3,200 mm (3.2 m)
Height	4,227 mm (4.227 m)
Axle load	23 t (23,000 kg)
Loco weight	138,000 kg (138 t)
Fuel type	Diesel
Fuel capacity	8,300 L (1,800 imp gal; 2,200 US gal)
Lubricant cap.	1,300 L (290 imp gal; 340 US gal)
Coolant cap.	1,468 L (323 imp gal; 388 US gal)
Sandbox cap.	170 L (37 imp gal; 45 US gal)
Prime mover	GE GEVO-16
RPM:
• Maximum RPM	1050 rpm
Engine type	V16 Diesel engine, 4-stroke engine
Aspiration	turbocharged
Displacement	15.7L per cylinder
Alternator	5GDY131B
Traction motors	5GEB32B5 AC traction motors
Cylinders	16
Cylinder size	250 mm × 320 mm (9.8 in × 12.6 in)
Transmission	diesel electric
Gear ratio	85:16
MU working	Yes, AAR Type
Loco brake	Air, Dynamic Brake
Train brakes	Air
Compressor	178 CFM @ 145 psig
Couplers	CBC AAR Type-E
Maximum speed
Performance figures
Maximum speed	100 km/h (62 mph)
Power output	6,000 hp (4,500 kW)
Tractive effort:;
• Starting	570 kN (130,000 lbf)
• Continuous	420 kN (94,000 lbf)
Brakeforce	290 kN (65,000 lbf)
Operators
Career
Operators	Indian Railways
Numbers	69001+
Nicknames	ANGAD
Locale	Roza (Uttar Pradesh), Gandhidham (Gujarat), Gooty (Andhra Pradesh)
Disposition	Active

The Indian locomotive class WDG-6G (GE ES57ACi) is a class of diesel-electric locomotive used by the Indian Railways for freight duty. The locomotive is a higher power variant of the WDG-4G locomotive which was also designed by General Electric. The design platform is based on the GE Evolution Series and features a 4-stroke 16-cylinder fully turbocharged engine which delivers around 6,000 horsepower (4,500 kW), making it the most powerful diesel locomotive of IR (second-most being the WDG-5 aka EMD GT50AC). It is the only 6,000 HP Diesel electric locomotive at 23t/axle weight, making it the lightest locomotive in its category in the world.

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