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It's full name is the GE C44-9W, the C is the wheel arrangement C-C 6 axles, 4,400 horsepower, the -9 stands for model series, and the W stands for wide cab.

From the research I've done for my model railroad project, the only GEs that BN ever bought new and kept around were 250 C30-7s to replace engines that were aged out, and a few dozen B30-7s and C36-7s. Vs nearly 850 SD40-2s and 100 SD45s. In the 80s BN bought a dozen or so C40-8Ws, ran them for 6 months, returned them, and bought 100 SD60Ms instead.

I believe the c stands for the c-c truck arrangement and the w stands for wide cab or North American wide cab. Just like the es44c4 stands for evolution series 4400 hp and c 4 standing for only 4 powered axels

Excellent video on the Dash 9s! And the reason for the gull wing cab design on Santa Fe and later BNSF units was indeed so the locomotive would meet clearance restrictions at some of the coal mines the railroad served. Also one correction, the ex Santa Fe Dash 9s that have been rebuilt are actually classified as AC44C4Ms as they have just 4 powered axles like the ES44C4 and ET44C4 that BNSF owns have and also ride on the same trucks as those two models as well! Here on the Thayer Subdivision, the Dash 9s are still considered the power of choice along with the ES44s and ET44s. Probably the reason BNSF predecessor Burlington Northern didn't jump on the Dash 9 bandwagon was for the reasons you mentioned as well as the fact BN was having alot of success with EMD's SD70MAC plus the road's fleet of SD40-2s and SD60Ms were showing no signs of slowing down so BN was probably in the mindset of "if it ain't broke, don't fix it" and elected to just go with what they knew worked!

I love the dash 9 locos as they are. It's sad that NS, CSX, UP and maybe BNSF later will convert all of them to Ac44c6m's in the future. I like DC traction motor engines as much as AC traction motor engines because they are both functional and special in their own unique way.

The cw suffix was for the cabs on the locomotives the c stood for crew.and thew stood for wide cabs.hence the term, crew wide cab.this put the conductor up front with the engineer,and the brake man. WHEN the caboose were eliminated from the rear of the train. They are also known as wide cab locomotives, because of the ability to accommodate the entire train crew.

Great Video, love the Dash-9's

The lead railroad to use Dash 9s was the Chicago and North Western. The first demonstrator from GE was purchased by CNW after it was delivered. It was the last new locomotive for CNW before they were bought by Union Pacific.

the gull wing cab roofs were due to a coal loader at a mine in utah near castle rock... i saw it on a video... later the loader was modified after getting damaged by ( i believe ) sd9043

i think the c and b refers to the numbers of wheels on each side of the axel and for example B40-8W B means there's two wheels and each side of the axel and b is the 2nd letter of the alphabet 40 means 4000 horsepower 8 means the dash 8 series was built in the 80's and lastly the W means wide cab.

C means 6 axles and W means wide nose

And this is a amazing video keep up the good work

Wow, your voice sounds completely different in your older videos! 😂 And the "gull-wing" cab roof was intended to meet clearance restrictions at the York Canyon, NM coal mine. The specification was first used on the later batches of B40-8Ws and on all C40-8Ws delivered to the ATSF, but the specification request was never removed, and was basically stuck on all Dash 9 orders from 1994-2004 that were delivered to ATSF and BNSF.

CW meant, C= 3 axles per truck and W= wide cab.

You should do the EMD SD40-3 and what parts have been rebuilt from the SD40-2

Very nice!

You forgot about Chicago north western dash 9

First off, thanks to everybody that (finally) explained the dash number. I was confused because usually a "dash something" indicates a modification to a model (not the year). Next, I was going to suggest a video that explains some of the classifications, or model numbers, for those that don't speak the lingo. Sorry to say, but after 5 to 10 "SD dash something or others"s many people give up trying to understand what you are saying. Especially when speakers are spitting everything out as fast as they can move their mouths. What's the fricking rush? Does the fastest speaker get a prize at the end of the year? Lastly, reading all the corrections to this video, I think I'll pass on asking for an educational video for newbies. Having to unlearn bad info is worse than never learning at all. Tip: if you want more people to watch your videos... slow it down. Give people that don't know this topic time to comprehend what you say, orelseitallcomesoutasonelongstringoflettersandwordsthatfewcanunderstand.

3:42 I think the C stands for 6 Axle trucks and the W stands for Wide Cab. C - 3 Axle Truck 44 - 4,400 hp -9 - Designed in the 1990s W - Wide Cab Another Example B40-8W B - 2 Axle Truck 40 - 4,000 hp -8 - Designed in the 1980s W - Wide Cab

The c w comes from the "c" obviously a pair of 3 axle trucks and the "w" wide cab which GE continues to use since the dash 8 series when the widecab was optional even they just have not used the standard cab.

CW mean C-C 6 axle and W mean wide cab

C stands for 6 axles, W stands for Wide Cab. Also, if you find a GE locomotive like the B23-7. The B stands for 4 axles.

As for the CW, the "C" means C trucks. the "W" means wide cab.

The Dash 9 is a direct successor to the Dash 8, not a predecessor to the Dash 8.

Review the SW1 if you havn't already.

The Dash-9 was the successor to the Dash-8, not its predecessor.

“C”’Is For 3 Axle Trucks. “W” Means Wide Cab.

Tell me you have an ACe review, too!

The DASH refers to the electronics and computer components. The 9 refers to the decade it was produced - 9= 1990's, 8= 1980's, 7= 1970's, Evolution Series = 2000's...can you now see a pattern!?!

0:53 is not a Dash-9. Union Pacific only used the AC4000CW

Is this possible to planned a Ge Dash 10, this locomotive could be 10 axles, 2 in front, 3 behind and this on each side! They have new more efficiency motors and they are stronger, maybe 8000 horsepower and a bit more speed. This locomotive is needed for longer and heavier trains, could this be produced ? Your videos are really good!

Dash 9 .. The 9 means built in the 90s , Dash 8 , 80s and Dash 7 was the 70s .. Or so I am lead to believe

CN Rail wasen't the only Canadian cab version BC Rail also had Canadian cab version

You forget about the Chicago north western dash 9

Can wide or wide cab

The CW or WC means Wide Cab

CW refers to “ CAB WIDE “.

Where'd the accent go 😂

This is the most common and generic looking freight locomotive. This and the SD40. I have never ever seen an EMD 70/80/90.

Tractive effort is not measured in ft. lbs. It is a straight up figure in pounds, which for the Dash 9 is about 109,000 lbs. Why at 4:14 are you showing a 12-cylinder GEVO engine, when the Dash 9 had a 16-cylinder 7FDL? At 4:51 No. 605 is a C4, with only 4 powered axles, not a C6M, which would have 6 powered axles. You seriously need to get your facts straight before you post a video.