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Subject: 1957 Ford 640

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Terry in Mo (T-Mo)    Posted 09-05-2022 at 06:27:21 [URL] [DELETE]        [Reply] [No Email]  
  • 1957 Ford 640
  • I'm looking at a 1957 640 (don't pay any attention to the Workmaster 601 on the hood). The model number on the transmission housing states "640" and the serial number is 144234. And there is a trace of 640 on the left dogleg.

    The owner says the ignition switch is bad (it's been replaced with a push/pull switch) as he had to wriggle it to start it when he first got it and now it won't start. The pto seal will have to be replaced and possibly the bearing (I can't tell if the looseness is in it or the overrun clutch). The steering box is probably leaking to as there is some oil buildup on it.

    He wants a $1000 for it.

    Terry in Mo (T-Mo)    Posted 09-06-2022 at 03:36:04 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • It's still 6V system, but they had it negative ground. I will probably need a wiring diagram to see what other "fixes" and hacks was done to the wiring. I'll have to check the manual's section to see if I can find any electrical diagrams.

    Ed Gooding (VA)    Posted 09-06-2022 at 10:20:00 [URL] [DELETE]        [Reply] [Email]  
  • Schematic
  • Here you go, Terry. Hope this helps:

    Terry in Mo (T-Mo)    Posted 09-06-2022 at 10:52:54 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Schematic
  • Thanks, Ed. That's helps a lot...and confirms my positive to ground thinking.

    I need to see if I can find the model number of the carburetor next so I can order a rebuild kit. I'm thinking it's a Marvel Schreiber, but not sure of that or the model.

    Terry in Mo (T-Mo)    Posted 09-05-2022 at 20:14:44 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • Got it temporarily to start, but the float in the carb us stuck or a stuck needle. Will be bringing it home Thursday. It includes a 3 point post hole digger and he has the hood.

    TheOldHokie    Posted 09-05-2022 at 20:31:31 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • A runner on decent rubber for $1k. Nice find.

    TOH

    Pops    Posted 09-05-2022 at 14:20:00 [URL] [DELETE]        [Reply] [Email]  
  • Re: 1957 Ford 640
  • $1k is a good price if the engine's loose.

    Gaspump    Posted 09-05-2022 at 11:44:37 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • Sheet metal or engine swap, 640 engine 641 metal. Big issue is will it run and how well it runs. Tires look OK. I can see $1000 in it, make him a fair offer.

    Terry in Mo (T-Mo)    Posted 09-05-2022 at 13:13:37 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • He says it will come with a post hole digger.

    He said it ran good, but with the ignition switch issues, it won't start now. I will, first see if the engine is loose, and then see if it will crank....with it being out in the weather, things may have gotten wet.

    And the model number and serial number is on the transmission housing behind the starter, not on the engine.

    TheOldHokie    Posted 09-05-2022 at 15:40:26 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • "He said it ran good, but with the ignition switch issues, it won't start now."

    This is a 1950's tractor. Should be trivial to hot wire the ignition.

    Dan

    Bruce(OR)    Posted 09-05-2022 at 15:43:44 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • Yeah. Hollywood can do it in about 5 seconds. What's taking you so long?

    TheOldHokie    Posted 09-05-2022 at 15:58:54 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 1957 Ford 640
  • If you show up properly equipped five seconds is about right.

    TOH

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