EMD SDL39

Fepasa D-2345 at Lautaro, Chile.

Type and origin
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (EMD)
Serial number	34272–34276, 7345-1–7345-5
Model	SDL39
Build date	March–April 1969 (5), November 1972 (5)
Total produced	10

Specifications
AAR wheel arr.	C-C
UIC class	Co′Co′
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm) standard gauge, later converted to 5 ft 6 in (1,676 mm)
Length	55 ft 2 in (16.81 m)
Fuel capacity	1,200 US gal (4,500 l; 1,000 imp gal)
Prime mover	EMD 645E3
Engine type	V12 diesel
Cylinders	12

Performance figures
Power output	2,300 hp (1.7 MW)

Career
Operators	Milwaukee Road → Soo Line → Wisconsin Central → Fepasa
Numbers	MILW 581-590 SOO 582–590 WC 582–590 FEPASA 2341-2349
Locale	Upper midwest United States and Chile

An EMD SDL39 is a 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division between March 1969 and November 1972. Power was provided by an EMD 645E3 12-cylinder engine which generated 2,300 horsepower (1.7 MW). All 10 examples of this locomotive model were built for Milwaukee Road, who wanted a lightweight road-switcher to replace their fleet of 1947-built ALCO RSC-2s. The unit was built on a short 55-foot-2-inch (16.81 m) frame with C-C export trucks, barely tipping the scales at 250,000 pounds (110,000 kg) and managing a light-footed axle-loading of just 20.8 short tons (18.6 long tons; 18.9 t) per axle.

The EMD SDL39 is practically an experimental, lightweight version of the SD39, but uses a GP38's body and frame with the SD39's engine.

These Milwaukee Road units were numbered 581-590. The 581 was wrecked at Sacred Heart, MN in 1983, and scrapped the following year. The remaining nine units were transferred to the Soo Line Railroad when it acquired the Milwaukee Road. All were subsequently included in the sale of the Soo's Lakes States Division (most of its network in Wisconsin and Upper Michigan, plus some lines in adjoining Illinois and Minnesota) to the new Wisconsin Central Limited. After the Wisconsin Central was purchased by, and merged into the Canadian National Railway, the nine units were returned to the leaser, and were sold to FEPASA, Chilean Freight Operation Concession.

References

Locomotive wiki, about all things locomotive!
Pinkepank, Jerry A. (1973). The Second Diesel Spotter’s Guide. Milwaukee, WI: Kalmbach Publishing Company. ISBN 0-89024-026-4.
Sarberenyi, Robert. EMD SD39 and SDL39 Original Owners.

External links

Media related to EMD SDL39 locomotives at Wikimedia Commons

6- and 8-axle diesel-electric locomotives built by GM-EMD

Six-axle road power	SD7 SD9 SD18 SD24 SD28 SD30C-ECO SD32ECO SD35 SDP35 SD38 SD38AC SD38-2 SD39 SDL39 SD40 SD40X SD40A SD40-2 SD40-2W SD40T-2 SD40-2S SDP40 SDP40F SD45 SD45X SD45-2 SD45T-2 SDP45 SD50 SD50F SD60 SD60F SD60I SD60M SD70 SD70I SD70M SD70MAC SD70M-2 SD70ACe SD75M SD75I SD80MAC SD89MAC SD90MAC

Eight-axle road power	DD35 DD35A DDA40X DDM45

See also: List of GM-EMD locomotives

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