EMD SDP40

Specifications
Specifications
Configuration:;
• AAR	C-C
• UIC	Co'Co'
• Commonwealth	Co-Co
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	Flexicoil C2L
Wheel diameter	40 in (1,000 mm)
Minimum curve	57°/274 ft (84 m)
Wheelbase	13 ft 7 in (4.14 m)
• Truck	6-Wheel
Pivot centres	53 ft 7 in (16.33 m)
Length:;
• Over couplers	65 ft 8 in (20.02 m)
Width	10 ft 4 in (3.15 m)
Height	15 ft 7.5 in (4.763 m)
Loco weight	368,000 lb (167,000 kg)
Fuel type	Diesel
Fuel capacity	3,200 US gal (12,000 L; 2,700 imp gal)
Lubricant cap.	243 US gal (920 L; 202 imp gal)
Coolant cap.	295 US gal (1,120 L; 246 imp gal)
Water cap.	2,200 US gal (8,300 L; 1,800 imp gal)
Sandbox cap.	56 ft3 (1.6 m3)
Fuel consumption	167 US gal (630 L; 139 imp gal) per hour
Water consumption	45 US gal (170 L; 37 imp gal) per hour
Prime mover	EMD 16-645E3
RPM:
• RPM low idle	215
• RPM idle	315
• Maximum RPM	900
Engine type	V16 Two-stroke diesel
Aspiration	Mechanically-assisted turbocharger
Displacement	10,320 in3 (169,100 cm3)
Alternator	Delco 64-72
Generator	Main: GM - D32; Auxiliary: GM
Traction motors	GM - D77 (6)
Cylinders	16
Cylinder size	8.5 in (220 mm) × 10 in (250 mm)
Transmission	Diesel-electric transmission
Gear ratio	59:15
MU working	Yes
Train heating	Vapor-Clarkson Steam Boiler AR4125
Loco brake	Independent air; optional: dynamic brakes
Train brakes	Westinghouse 26L (Air Brake)

Type and origin
Type and origin
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (EMD)
Model	SDP40
Build date	June 1966 – May 1970
Total produced	20

EMD SDP40
EMD SDP40
	Kansas City Southern Railway 3057
Power type
Type and origin
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (EMD)
Model	SDP40
Build date	June 1966 – May 1970
Total produced	20
Configuration:;
Specifications
Configuration:;
• AAR	C-C
• UIC	Co'Co'
• Commonwealth	Co-Co
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	Flexicoil C2L
Wheel diameter	40 in (1,000 mm)
Minimum curve	57°/274 ft (84 m)
Wheelbase	13 ft 7 in (4.14 m)
• Truck	6-Wheel
Pivot centres	53 ft 7 in (16.33 m)
Length:;
• Over couplers	65 ft 8 in (20.02 m)
Width	10 ft 4 in (3.15 m)
Height	15 ft 7.5 in (4.763 m)
Loco weight	368,000 lb (167,000 kg)
Fuel type	Diesel
Fuel capacity	3,200 US gal (12,000 L; 2,700 imp gal)
Lubricant cap.	243 US gal (920 L; 202 imp gal)
Coolant cap.	295 US gal (1,120 L; 246 imp gal)
Water cap.	2,200 US gal (8,300 L; 1,800 imp gal)
Sandbox cap.	56 ft3 (1.6 m3)
Fuel consumption	167 US gal (630 L; 139 imp gal) per hour
Water consumption	45 US gal (170 L; 37 imp gal) per hour
Prime mover	EMD 16-645E3
RPM:
• RPM low idle	215
• RPM idle	315
• Maximum RPM	900
Engine type	V16 Two-stroke diesel
Aspiration	Mechanically-assisted turbocharger
Displacement	10,320 in3 (169,100 cm3)
Alternator	Delco 64-72
Generator	Main: GM - D32; Auxiliary: GM
Traction motors	GM - D77 (6)
Cylinders	16
Cylinder size	8.5 in (220 mm) × 10 in (250 mm)
Transmission	Diesel-electric transmission
Gear ratio	59:15
MU working	Yes
Train heating	Vapor-Clarkson Steam Boiler AR4125
Loco brake	Independent air; optional: dynamic brakes
Train brakes	Westinghouse 26L (Air Brake)
Maximum speed
Performance figures
Maximum speed	83–95 mph (134–153 km/h)
Power output	3,000 hp (2,200 kW)
Tractive effort:;
• Starting	90,000 lbf (400,000 N) @25%
• Continuous	82,100 lbf (365,000 N) @ 6.6 mph (10.6 km/h)
Locale
Career
Locale	North America
Preserved	Great Northern #325
Disposition	6 still in service, 1 preserved, remainder scrapped

The SDP40 is a 6-axle passenger diesel-electric locomotive built by General Motors Electro-Motive Division (EMD) between June 1966 and May 1970.