EMD 710

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The EMD 710 is a line of diesel engines built by General Motors Electro-Motive Division. The 710 series largely replaced the earlier EMD 645 series. The EMD 710 is a large 2 stroke diesel engine that has 710 in³ displacement per cylinder. Since its introduction EMD has continually upgraded the 710G diesel engine. Power output has increased from 3800 hp on 1984's 16-710G3A to 4300 hp as of 2006 on the 16-710G3C-T2.

Over the production span of certain locomotive models, upgraded engine models have been fitted when they became available. For example an early 1994 built SD70MAC would have a 16-710G3B, where a SD70MAC built in 2003 would have a 16-710G3C-T1.

All EPA Tier 1 and EPA Tier 2 compliant models of the 710 are equipped with EFI.

1 Rail Versions
2 Stationary/Marine Versions
3 References
4 See also

[edit] Rail Versions

ID	Engine type	Induction	Max rpm	Power (hp)	Power (MW)	Introduced	Locomotive(s)
12-710G3A	V12	turbocharged		3000	2.2	1985	GP59, F59PH
16-710G3A	V16	turbocharged		3800	2.8	1984	GP60,GP60M, GP60B, SD60,SD60M, SD60I, SD60F
16-710G3B	V16	turbocharged		4000	3.0	1992	Early SD70,SD70M,SD70MAC and SD70I.
16-710G3B-EC	V16	turbocharged		4000	3.0	1997	SD70,SD70M,SD70MAC and SD70I models equipped with electronic fuel injection (EFI)
16-710G3B-T1	V16	turbocharged	900	4000	3.0	2003	EPA Tier 1 Emissions compliant/EFI Equipped SD70M, SD70MAC
16-710G3B-T2	V16	turbocharged	900	4000	3.0	2005	SD70M-2 (Norfolk Southern) EPA Tier II emissions compliant/EFI equipped
12-710G3C-EC	V12	turbocharged		3200	2.3	1993	F59PHI EFI equipped
16-710G3C	V16	turbocharged		4300	3.2	1995	SD75M, SD75I
16-710G3C-EC	V16	turbocharged		4300	3.2	1995	SD75M, SD75I, SD90/43MAC EFI equipped.
12N-710G3B-EC	V12	turbocharged	900	3300	2.5	1998	British Rail Class 66
16-710G3C-T1	V16	turbocharged	900	4300	3.2	1998	SD70M (late model), SD70MAC (late model) EPA Tier I emissions compliant/EFI equipped.
16-710G3C-T2	V16	turbocharged	900	4300	3.2	2004	SD70ACe, SD70M-2, Alstom PL42AC EPA Tier II emissions compliant/EFI equipped.
20-710G3B-EC	V20	turbocharged	900	5000	3.7	1995	SD80MAC EFI equipped.

[edit] Stationary/Marine Versions

Like most EMD engines, the 710G is also sold for stationary and marine use. It is available in V8, V12, V16 and V20 formats.

[edit] References

Pacific Southwest Railway Museum. The History of EMD Diesel Engines. Retrieved on May 11, 2005.
John's Alaska Railroad Page. Locomotive roster. Retrieved on September 8, 2006.
Electro-Motive Diesel. SD70ACe. Retrieved on September 8, 2006
Electro-Motive Diesel. SD70MAC. Retrieved on April 19, 2004 (courtesy Internet Archive Wayback Machine).
EMD SD80MAC Operators Manual - GM-EMD 1996
EMD SD70MAC Operators Manual - GM-EMD 1998