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Topic: EMD DDA40X

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	EMD Other
		The model above is of a Jersey Central SW-9, one of the early EMD switchers.
		Another early EMD locomotive was the BL-2, with BL standing for Branch Line -- a locomotive designed for service on the many non-main lines on the railways.
		It was developed by EMD for the Union Pacific to commemorate the centennial of the Golden Spike Ceremony (it is often referred to as the "Centennial").
	www.toytrains1.com /emd_other.htm (250 words)

	DDA40X — The Centennial Survivors
		EMD went back to the drawing board, and came up with a new version of the double GP35, powered by pair of GM 645 diesel engines.
		The D designation means a truck (set of wheels) with 4 axles, the A means a unit with a cab, the 40 was the next good sounding number greater than 35, and the X stood for experimental.
		The first DDA40X was delivered in May of 1969, which was the 100th anniversary of the golden spike.
	www.johnweeks.com /centennial (623 words)

	EMD: History
		During the Second World War, EMD engines powered the famous U.S. Navy LST vessels and sub-chasers while our locomotives were fast becoming the choice to move the goods that victory was made.
		In 1972, EMD premiered the Dash 2 locomotive which would become the backbone and workhorse of the North American fleet...
		EMD begins making major inroads in the European market as its new Class 66 locomotive is cross-border certified in numerous countries in Continental Europe.
	www.emdiesels.com /en/company/history/index.htm (581 words)

	DDA40X — The Centennial Survivors
		EMD went back to the drawing board, and came up with a new version of the double GP35, powered by pair of GM 645 diesel engines.
		The D designation means a truck (set of wheels) with 4 axles, the A means a unit with a cab, the 40 was the next good sounding number greater than 35, and the X stood for experimental.
		The first DDA40X was delivered in May of 1969, which was the 100th anniversary of the golden spike.
	www.visi.com /~jweeks/centennial/index.html (619 words)

	Union Pacific Centennials
		EMD) and were named "Centennial" in honor of the 100th anniversary of the "
		Many considered the four-axle truck arrangement to be very hard on tracks, but built as a cabless booster unit it would never be in the lead, and the effect on the tracks would be acceptable.
		Based on the HP rating the DDA40X is the most powerful diesel locomotive ever built and coupled with the special introduction and the romance in the name "Centennial" it has become an icon for diesel rail fans.
	www.steamlocomotive.com /centennials (982 words)

	Diesel-Electric Engine Operation - NE Rails
		The other odd model EMD produced was the DD series, which had DD trucks (4 axles, 4 traction motors per truck) These were double ended diesels, and were roughly like 2 engines put together in one.
		In the case of EMD AC locomotives, the wheels have to be matched within each truck, since all axles in each truck are powered by a separate inverter.
		Further, GE and EMD seem to both be able to sell their locomotives at about the same price, so railroads are not voting for one system over the other with their purchase dollars.
	www.northeast.railfan.net /pro_faq2.html (6290 words)

	BNSF EMD SD70ACE
		While externally they are 1955 vintage locomotives, the original twin engines have been replaced with single EMD 16-645E 3000 hp (2.2 MW) units and the electrical and control equipment similarly upgraded, making them modern locomotives under the skin..
		The EMD SD40-2 is a 3, 000 horsepower (2, 250 kW) model of C-C diesel-electric locomotive built by General Motors '; Electro-Motive Division between January 1972 and February 1986; 3, 957 examples were built, and most larger North American railroads have operated the type.
		Part of the EMD Dash 2 line, the SD40-2 was an upgraded SD40 with modular electronic control systems, HT-C trucks, and many other detail improvements.
	www.to-fish.com /bnsf_emd_sd70ace.html (685 words)

	When...
		EMD intended for it to be used with a GP35 at each end.
		EMD proposed but never built a DD40, which replaced the 567 engine with the 645.
		THe DDA40X was built in 1969 in time for Union Pacific's centennial celebration.
	www.trainorders.com /discussion/read.php?9,579017 (504 words)

	General Motors Electro-Motive Division information - Search.com (Site not responding. Last check: 2007-10-29)
		EMD began turbocharging the 567 around 1959; the final version, the 567D3A (built 10/63 to about 1/66) produced 2500 hp (1860 kW) in V16 form.
		EMD also built a turbocharged V20 that produced 3600 hp (2.7 MW) for the SD45 that was their first 20-cylinder engine.
		The 1960s saw EMD consolidate their position as the dominant locomotive builder in the USA; new, high power locomotives, like the 3000 horsepower (2.2 MW) EMD SD40 and the 3600 hp (2.7 MW) EMD SD45 V20 were produced and proved highly successful.
	c10-ss-1-lb.cnet.com /reference/General_Motors_Electro-Motive_Division (1984 words)

	EMD 645 at AllExperts
		The EMD 645 is a line of diesel engines built by General Motors Electro-Motive Division.
		The 645 succeeded EMD's earlier 567 series and was in turn replaced by the 710 series, but it is still sold and maintained by EMD for both locomotive, marine and stationary engine use.
		The 645 series engine was introduced in 1965 in EMD's "40 series" (GP40, SD40) in 3,000 hp (2.2 MW) V16 form, and in V20, 3,600 hp (2.7 MW) form in the SD45.
	en.allexperts.com /e/e/em/emd_645.htm (217 words)

	UtahRails.net On-Line Articles Index Page
		UP's DDA40X Centennials — An edited version of the original text used as part of an article published as "Union Pacific's DDA40X Centennials" in Diesel Era, Volume 13, Number 6, November/December 2002.
		CandNW's GP7s and GP9s — An edited version of the original text used for an article published as "Chicago and North Western GP7s and GP9s” in Diesel Era, Volume 7, Number 2, March-April 1996.
		Alco versus EMD — An article by Albert Churella about why Alco failed and why EMD succeeded.
	utahrails.net /articles/articles-index.php (1388 words)

	Diesel Locomotive Wheel Arrangements (Site not responding. Last check: 2007-10-29)
		An EMD E-unit or ALCO PA has 3 axles per truck, the center axle without a motor.
		EMD's DDA40X trucks each had 4 axles and 4 tractions motors.
		It is designated D-D. EMD's Flexicoil truck with three powered axles is a C-C. EMD's low-friction radial truck.
	www.sdrm.org /roster/diesel/wheels.html (113 words)

	EMD DDM45 at AllExperts
		The EMD DDM45 is a narrow gauge diesel-electric locomotive built by EMD.
		The smaller traction motors of the meter gauge locomotive were unable to handle the full current capacity from the 3,600 HP prime mover.
		And so, EMD proposed the meter gauge version of the Flexicoil-D four-axle trucks, similar to those found under the domestic EMD DD35, EMD DD35A and EMD DDA40X locomotive model, creating the DDM45 in the process.
	en.allexperts.com /e/e/em/emd_ddm45.htm (263 words)

	Basic Diesel
		EMD itself was formed by EMC and Winton Engines, a company that EMC had contracted to build engines.
		EMD is the company that really revolutionized the face of American railroading....first with the Full Body Streamlined E and F units, then with Richard Dilworth's Utilitarian GP and later SD series.
		Earlier EMD models had a flush Long hood, so the only distiguishing characteristic of the radiator to be found were the raised fan caps.
	smg.railfan.net /Diesel/basicdiesel.html (4972 words)

	Bill's Railroad Empire -- N Scale History
		Among the locomotives were an Alco FA2, EMD FP9, GP7, and GP30.
		An EMD SW1500 (cow and calf) was introduced in 1971.
		Alco FA1 and EMD E7A locomotives made by Roco were introduced in the late 1970s.
	www.billsrailroad.net /history/n-scale.html (1627 words)

	EMD: History - 1960s
		In just a little over 25 years after we introduced the first diesel-electric streamline passenger locomotive -- the legendary Burlington Zephyr -- the U.S. railroads have replaced their fleet of 60,000 steam locomotives with 28,000 diesel-electrics.
		This second generation locomotive incorporates a new 645 Series EMD diesel engine.
		To celebrate its 100th anniversary of the Golden Spike, the Union Pacific takes delivery of EMD's biggest locomotive ever, a 98 foot 8-axle, twin engine DDA40X locomotive rated at 6,600 traction horsepower.
	www.emdiesels.com /en/company/history/1960/index.htm (155 words)

	SD50 - Thagodz Wiki (Site not responding. Last check: 2007-10-29)
		The EMD SD50 was a 3,500 hp (2,600 kW) diesel-electric locomotive built by General Motors' Electro-Motive Division.
		The SD50 was in many respects a transitional model between EMD's Dash 2 series which was produced throughout the 1970s and the microprocessor-equipped SD60 and SD70 locomotives.
		All of these prototypes were sold to the Norfolk and Western and passed to the Norfolk Southern; they were withdrawn in the early 2000s as non-standard.
	www.thagodz.com /search/wiki/?title=SD50 (714 words)

	webDotWiz Train Simulator - DDA40X Cabview
		Basically the DDA40X is two locomotives built on one chassis frame.
		The UP DDA40X is a free download from the Auran site (bear with the free registration process).
		The only task remaining is to edit the DDA40X ENGine file to tell it where its cabview is and where the cab and engine sound files can be found.
	www.webdottrainsim.com /msts10.htm (1089 words)

	EMD SD40 (Site not responding. Last check: 2007-10-29)
		A dash 2 cab was added and the dynamic section was extended.
		Lengthened walkways and platforms were added along with a longer EMD fuel tank.
		It rides on a lengthened SD40 chassis that had the rear trimmed for the long rear platform.
	home.comcast.net /~jimngage/emd_sd40.htm (147 words)

	S. Berliner, III's EMD Page
		The 6900 is preserved in running condition with the venerable 4-8-4 Northern 844 and 4-6-6-4 Challenger 3985 at UP's Cheyenne roundhouse (and the 6946, built 9-1971, b/n 35520, last of 47 "Centennial" locomotives constructed, was donated by UP to the Feather River Rail Society and sits at their Portola Railroad Museum in the high Sierras).
		EMD declined, stating low profits forecast for another special design, and referred the UP team to the Berlinerwerke, with which EMD had a close working relationship.
		The DDP45 uses two standard EMD D trucks with heavier journals, spanning two pairs of DD35 fuel tanks (it was felt that it was safer and less expensive to have multiple smaller tanks).
	home.att.net /~berliner-ultrasonics/emd.html (2913 words)

	Union Pacific "Double Diesel" Locomotives
		The new D truck was only used on the DD35 and DD35As at this point, but was also later used on the DDA40X "Centennials".
		The DDA40X had two 3300hp prime movers on a single chassis with flared radiators (as in the DD35A), but incorporates a "wide nose" cab.
		The name "wide cab" is misleading as the actual "cab" is always the full width of the loco, it is the short-hood that is either narrow or wide.
	www.worldrailfans.org /Articles/US/DoubleDiesels.shtml (1386 words)

	DDA40X
		The ultimate double-diesel was created in an effort between the UP Mechanical Department and EMD.
		Several years later, they were reissued with a much improved power chassis with two motor/flywheel combinations and with all wheels powered.
		We were closer to the ultimate plastic DDA40X - one problem remained - Bachmann's paint job.
	ppw-aline.com /DDA40X.htm (376 words)

	Union Pacific "Double Diesel" Locomotives
		The new D truck was only used on the DD35 and DD35As at this point, but was also later used on the DDA40X "Centennials".
		The DDA40X had two 3300hp prime movers on a single chassis with flared radiators (as in the DD35A), but incorporates a "wide nose" cab.
		The name "wide cab" is misleading as the actual "cab" is always the full width of the loco, it is the short-hood that is either narrow or wide.
	www.worldrailfans.info /Articles/US/DoubleDiesels.shtml (1386 words)

	UP Challenger 3977
		There are two remaining "3900" class locomotives, and the only one in the world on public display is the center of the Union Pacific Museum in North Platte.
		Accompanying the 3977 is EMD DDA40X 6922, RPO 2069, Baggage 1350, and Caboose 25161, along with the Hershey depot fully restored to its original state.
		Construction started in late 1968 and was rushed into completion at EMD's La Grange Plant, so the unit would be ready to pull the Golden Spike Centennial Special from Kansas City to Salt Lake City to celebrate the "Golden Spike Centennial Year" starting on May 10, 1969.
	www.lasvegasmikey.com /a_up_3977.htm (388 words)

	GE AC6000CW - Trains (Site not responding. Last check: 2007-10-29)
		That title is still held by the EMD DDA40X.
		The companies that own GE AC6000CWs, as of 2006, include: CSX Transportation with 117 (they classify these locomotives as CW60ACs), Union Pacific Railroad with 186 (they classify these locomotives as C44/60CWs) and BHP Billiton in Australia with 8.
		EMD SD90MAC An equally powerful locomotive built by EMD which entered production prior to the AC6000CW.
	train.spottingworld.com /GE_AC6000CW (252 words)

	Spec Plan Products
		EMD TR-12 Diesel Cow & Calf Locomotive Spec Plan
		EMD F7 A-B Diesel Locomotive Spec Plan 1949-1955
		EMD TR-6 Diesel Cow & Calf Locomotive Spec Plan
	reecerichard.com /spec-plan.html (26 words)

	favorite old EMD - Trains.com Forums (Site not responding. Last check: 2007-10-29)
		(EMD summer employment between MIT Junnior and Senior years, 1952) But the most beatiful diesel locomotive ever built was clear the Burlington Route's E-5.
		EMD DDA40X Centennial Locomotives, sorry I love over kill, more power.
		The old EMD's are the best EMD's; not like the junk they're building now.
	www.trains.com /TRC/CS/forums/ShowPost.aspx?PostID=844529 (573 words)

	DD45m: A LEGO® creation by Josh Baakko : MOCpages.com
		It is a Stock EMD SD45, built to specs with "DD" trucks, by EMD.
		A DD truck is a 4 motor, 4 axle truck.
		Excellent, captures the shape and style of these unique EMD's very well...now we'll need to see one 'in the brick'.
	www.mocpages.com /moc.php/2264 (217 words)

	Creativespirits Train Sim Page - The EMD DDA40X
		Creativespirits Train Sim Page - The EMD DDA40X
		Index Acela British Rail Class 50 EMD Centennial DD40 EMD SD24 EMD SD40 Orient Express Older Pictures Kiha 31 EMD GP38 Pictures of freight Flying Scotsman EMD F7
		Over a Bridge on the Settle - Carlisle route.
	www.creativespirits.net /dd40.php (108 words)

	Amazon.com: Vintage Diesel Locomotives (Enthusiast Color): Books: Mike Schafer (Site not responding. Last check: 2007-10-29)
		The chapters I found most interesting were on Alco, Baldwin, and F-M, since those companies are long defunct.
		My favorite photos are of Alco PAs and Century 855s, Baldwin "babyfaces" and "sharknoses," the F-M H-24-66 ("TrainMaster"), the EMD DDA40X, and GE U50Cs.
		While not many production figures are given and not every single model is shown, all significant ones are mentioned, and some are shown more than once.
	www.amazon.com /Vintage-Diesel-Locomotives-Enthusiast-Color/dp/0760305072 (1049 words)

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