Joined: Oct 16, 2015 Posts: 2 Location: McMinnville Tn
Posted: Wed Mar 23, 2016 7:26 pm Post subject: m38a1 egine/motor number
Hello all,
I have searched online and cannot seem to find what i'm looking for. Is there any way at all to verify for certain that a 1952 M38A1 motor is original other than using the MD serial #? I have been able to locate a number and it starts with FR ######. I am curious if that means anything other than that it may be a rebuilt motor but specific to a M38A1.
If your engine was installed in your jeep by the Willys/Kaiser factory then the serial number will be MDXXXXX or MDXXXXXX. Once that serial is gone there is no other way to ID any L134 or F134 to a specific chassis application. All the bolt on accessories that make an M38A1 engine can be bolted on a CJ5 or CJ3B or Willys Pickup F134.
If the engine is a factory supplied brand new replacement engine purchased by the Army then it will have a Replacement engine serial number like RMDXXXXX or RMDXXXXXX.
Your FRXXXXX could have came in any Willys/Kaiser built F134 application chassis. The FR is not a standard Willys/Kaiser engine serial prefix. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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