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There are two PW 773 variations. Basically delineated as the following:

The 1950 Production run has a fancier valve gear assembly and came with the premium 2426W tender.

The Fancy Valve Gear:

The 1964 production lacks the fancier valve gear and came with the PENNSYLVANIA 736W or NEW YORK CENTRAL 773W tender.

Lacking the valve gear:

The parts list shows 773-55 as the valve gear support for both the 1950 and 1964 versions... can you elaborate?

 

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Do you know where that eccentric came from? Doesn’t look like the OE part from 6-18005.....not all parts from the early 700E’s be it original or reproduction aftermarket parts are compatible with 18005....some are, some are not...I’ve had to machine down the heads on some replacement bolts, but never that much...that looks grossly out of whack......Pat72A94F4B-4A6C-4BA4-B6EB-C235B91C5B1D

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I have a different part no. for the eccentric rod bolt according to the Lionel service publications from 1990....correct part no. is 610-8005-517.....now, Lionel may have superseded the old number with 610-8045-527, and they may have never bothered to check fitment. Also of note for the OP, not all 700E eccentrics are created equal, there are more than one eccentric bearing 700 prefixes....6-18005 calls for eccentric part # 690-700E-046, while Hudsons # 783,784, & 785 call for eccentric part # 700E-241........hope this helps.......Pat

Last edited by harmonyards

Good point on the crank @riki. This image is not the exact crank you have, but is representative and displays the alignment pins that must properly seat in the wheel:

Those pins must rest in the depressions in this representative drive wheel:

 

@harmonyards, following the full thread, you would see it has been determined @riki is building off of a 6-18005 frame, thus the postwar and MPC service diagrams (that even I posted and suggested before narrowing down what was had), are may not necessairly applicable. We all should be working off of the 6-18005 as broken down here: https://www.lionelsupport.com/...94-8d1d-48591eea334f and here https://www.lionelsupport.com/...201-8005Complete.pdf

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Last edited by bmoran4
bmoran4 posted:

Good point on the crank @riki. This image is not the exact crank you have, but is representative and displays the alignment pins that must properly seat in the wheel:

Those pins must rest in the depressions in this representative drive wheel:

 

@harmonyards, following the full thread, you would see it has been determined @riki is building off of a 6-18005 frame, thus the postwar and 1990 service diagrams (that even I posted and suggested before narrowing down what was had), are not applicable. We all should be working off of the 6-18005 as broken down here: https://www.lionelsupport.com/...94-8d1d-48591eea334f

Clearly he’s working on on a 18005 chassis....the part no.s referenced are from the 1990 service publications. ( date of mfg.) as you and riki have possibly pointed out, this may be as simple as the eccentric not sitting in the slot properly. However, just because it’s on Lionel’s web site, doesn’t mean the parts are 100% accurate....there very well could be superseded part no’s since they don’t list the original 1990 eccentric bolt part no. by they’re own service publications.....surely you’ve run into this before.....therefore, if his eccentric crank is sitting in the slot, then he’s clearly got a parts incompatibility issue.....as I’ve said, not all 700E parts are created equally.....Pat

bmoran4 posted:

I am curious as to what the difference is besides thread locker and camera angles?

Image result for lionel 6108045527

That’s a good question, I think the one thing we can agree on, is the fact Lionel does some goofy stuff with their parts dept. ....or at least I hope we can agree on that....I’ve never trusted the breakdown on Lionel’s website for that engine because of the inconsistencies in the part numbers vs. the publication of when it was actually manufactured...I’m asking your opinion, do you think the part no. change is because of the locker addition?....seems silly, but possible??...no?.....Pat

Since the OP was asking about a 700E, I went and looked at a 1939 700E.  The correct fastener would be 700E-44C. I went and looked and found that some of my spare screws would be a problem. See photos below. I would have though the screw pictured above was the cross head guide screw, but I have no experience with the 18005.

The upper screw is from an unknown source, but clearly could be a problem.  The lower screw is a proper eccentric crank screw for the 700E.  Below that are Lionel drawings for the screw.  

2B198EC4-374F-4B28-82E5-785E32589EADEEA37D6E-9B30-4DA9-9122-C16169E019DAC8FC3279-F0CD-4CCD-B8FD-63B3C65986451D206B01-9C85-48EA-BB7C-C8223A36E9C1

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riki posted:

Taking down the head works.

Ps.

Jeff told me others have complained. Lionel.s reply was they wanted to keep the look. Instead of using a flathead screw.

So. It's something we have to modify to work.

That’s cool, I’m glad you were able to come up with a remedy riki, .....I’m curious on how you did your part number referencing.........did you rely solely on Lionel support off the website, or original documents from the 90’ parts breakdown? How did you come up with part numbers piece by piece? .......the reason I ask, in the picture you posted of the bolt not being able to pass by the rod, the eccentric pictured has the rod riveted on. The OE 90’ model has a separate screw that attaches that rod on the small end of the eccentric. I’m sure the OE part is NLA, and it’s substituted with another part.....I’m guessing you got all your parts from Jeff?....what was the part no. for the eccentric that was sold to you? .....if you don’t mind me asking....these tidbits of information might help the next guy with a broken part from 18005....Pat

Wait till you see what color the boiler will be.

I think it will look sharp. But not original.

Still haven't figured out what smoke unit. The smoke lever is hard to find.

I can work up a cam with a switch. Like STD ga. Chugger . to work an MTH unit I have.

The original has the circuit board which I don't want.

I have rods voltage reg. To make up or. I have the Asian regulator. Forget what they are called.

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