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I'm looking at several re-powering options for an early 1980's Sunset PRR G5s.  A 2 rail Weaver G5 mech is one of the possibilities.  At this point the two dimensions I need are the driver diameters and wheelbase (center of #1 driver to center of driver #3.  I've been generally pleased with the running and build quality of several Williams/Weaver Samhongsa O Scale 2-rail steam locomotives I've owned.  The Weaver PRR G5 boiler and mech is elongated for the pilot truck to clear the cylinders on 3 rail curves.  However, if the running gear dimensions are reasonably close to protype I'd consider modifying a 2 rail chassis to mate with a scale length boiler.   Assistance appreciated.

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Thanks for the responses guys.  I must apologize for not being clear - I have a full set of PRR G5 data - what I don’t have is the data on the Weaver chassis to determine if it could be a reasonable starting point for a re-powering project.     Bob -  if you have time I’d appreciate having the Saginaw chassis dimensions while I hunt for the Weaver data.    Finding a Weaver G5 to cannibalize for the chassis may be more likely than a Saginaw - but I’m open to options.

Last edited by Keystoned Ed

Thanks Scotie  - just the info I want.   I’ll be on the lookout for a 2 rail Weaver G5.   Meanwhile I’ll be researching a possible plan B: retaining the Sunset chassis while replacing the gearbox with  a NWSL 0.6 and a higher torque Canon motor.  

What I haven’t mentioned is that I have a beautiful scratch built G5 boiler by my late friend Frank Miller.  To my eye the Sunset G5 boiler doesn’t capture the look of the prototype as  it has a straight vs. tapered boiler top.   G5’s are a special favorite as growing up in Ronkonkoma on the LIRR they were the first steam locomotives I got to see -including being invited into a cab by the local hostler.🙂

When complete I’ll number my G5 for PRR 5741.  That locomotive is on display at The Railroad Museum of Pennsylvania and for a brief time was leased to the LIRR.  It was the only PRR G5 to ever trail a  Kiesel “K4” style tender.  My  plan is to equip the model with both a standard PRR 70P82 tender and a LIRR 110P82a tender.  That might catch some eyes in the model display room at a PRRT&HS meet.

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