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Stu, My 48 to 51 chassis parts catalogue is dated Feb 51. The F3 and M3 trucks are listed as model "Y" in the book. The rear brake drum is listed as 14" part number 8Y 1126. The 1952 Supplement dated April 52 shows rear brake drums as 14" on model Y from 48 to 51. The 12" rear drums for model Y is part number 1D 1126 B for 51 and 52 starting at s/n #H51-22946. Apparently, the change from 14" to 12" was during the 51 model year. The 7RC 1015 wheel is not mentioned in either catalog.
Wow, the Canadian catalog cites the exact vehicle where the mid year '51 rear brake change occurred! The US catalogs are much more vague. And no surprise that the 7RC 1015 isn't listed. It's a mystery wheel with the only known documentation of its existence being found in the Service Manual. Stu
The serial number for the change being in the 22,xxx range likely means just before end of '51 model year, right? At least if Canadian numbering went like US numbering, by plant.
Tienmac, does it have any insights as to hardened valve seats? i.e., when they were dropped?
I took a look at my rear brake drums on my 1952 M3. They look like 14" to me when I measure them. I noticed a series of numbers cast into the back side of the rear differential housing on the driver's side rear. The numbers are A 5 4 48 so I am guessing that is a date code??? Maybe first shift of the 5th day of April 1948? So it looks like my rear end has been changed. The date codes on my windshield and vent windows are 8-52, and my rear window is 10-52. How late in the calendar year did they make the 1952 trucks? My serial number ends in 34876.
Ross, Both my parts catalogues show exhaust valve seats. In Canada we kept the 8BA version in production until 1954 so we may have kept the valve seats for Canadian production. Some Canadian flathead experts may know more.
Chris, I don't have any production number info any when I contacted Ford of Canada they couldn't tell when my 51 F1 was produced.
I received these today and the 1953 Merc Truck Sales Handbook should arrive in a few days. I didn't realize the automatic transmission and overdrive were offered in 53. As you are aware the 239 flathead was used through 1954 in Canada. In 55 we got the 239 OHV motor and in 56 we got 272 OHV engine.
The serial number for the change being in the 22,xxx range likely means just before end of '51 model year, right? At least if Canadian numbering went like US numbering, by plant.
Tienmac, does it have any insights as to hardened valve seats? i.e., when they were dropped?
My 1950 M68 was built late in 1949, and the serial number is in the 23,8xx range, built at "home office" in Ontario. Don't know whether that is what you meant, but I suspect there were several months of building after that.
Edit - just re-read that discussion and realized it was about 51 model year vehicles...never mind.
Abe, I googled some 55 Merc images as I don't have any other references. I think the artist image is close. Sometimes the artist's image and production may differ. Note the 53, 54 and 55 brochure look the same with the grill changed and the color used.
What a find! I would be interested in any info on a 49' M47. Specially the horn. Its not like anyone here in St Louis has ever seen or heard of a Mercury Truck but they are all quick to tell me that I have the wrong horn.
Abe, I googled some 55 Merc images as I don't have any other references. I think the artist image is close. Sometimes the artist's image and production may differ. Note the 53, 54 and 55 brochure look the same with the grill changed and the color used.
Yes, same driver with that goofy smile on his face!
51 Dueller, The F/M-3 dual option is referenced in my books, but I don't have a photo of a truck so equipped. I started collecting the FMC of Canada catalogues this year, like you. I am missing the 48-51 body parts catalogue and the 55 and 56 books. My best finds were the Mercury brochures and Sales
Handbooks. I also have some pre1948 FMC of Canada parts catalogue and shop manual. Tien.
12-07-2016, 06:54 PM
