I suspect based on appearance and replacement part information that the motors in the 38 and 42 locos (and like others) were the same - the 42 having two in many examples. Yet I have never this plainly stated anywhere, and I have a lot of the printed matter available on Lionel std gauge. As I don't yet own a 42 so I cannot make the direct comparison (I base the similarity on the photos I have seen). Can some confirm my suspicion or tell me it's not true?
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According to the big Greenberg book, the 38 and 42 both have the same "type 3" motor(s). Looks like my #33 has the same...
Hopefully, someone who knows first hand will verify or dispute.
Mark in Oregon
I think I had assumed that the term "type 3" motor applied only to a specific locomotive but I believe you are correct - that motor was used in whatever they produced at the time - the same principle that was used with the super motor later on. This would be consistent with a 1922 parts price list inGreenbergs LIONEL PREWAR PARTS & INSTRUCTION SHEETS which indicates nearly all of the standard gauge replacement parts were used in "all standard motors". Thanks for the reply. Steve in Rhode Island
Just be careful, the 42 motors have some extra sheet metal to allow them to pivot within the body.
Jim
Jim thanks for bringing that up. I've seen 42 motor examples with the framing extended up and over the 42 base for the pivots which seems like it could be duplicated on a 38 frame, but what I don't know is whether the 38 frame is the same length as the lower part of the 42 motor frame to start with. Since both locomotives share the same connecting rod size, the axle to axle distance must be the same, but the overall frame length could be different. This whole exercise is because I would like to assemble a two motor 42 from a spare 38 frame I have and a 42 motor I bought that someone had "chopped" most of the metal upper away (for reasons unknown). The 42s I see for sale are usually a bit pricey for my budget and I am not worried about the collectable value of the one I assemble.
Steve in Rhode Island