Posted: Wed Nov 24, 2010 1:01 pm Post subject: M100 trailer connections
seen M100 trailers with elec cable attached to trailer wiring & no hole in plate mounted at RH front corner of frame. Other M100 trailers have hole in R Fr corner using a jumper with plugs on both ends between trailer & jeep. was it a production change or mfg change.? also did all M100 trailers have clips to hold wiring in place along drawbar & at each light?
thanks
Th trailers with a connector at the trailer and the jeep are early models... This is the way they were first wired.
After a while (I do not know when) they switched to the cable being part of the trailer... too many lost cables maybe...
There are cable clamps along the side of the frame to hold the cables to the trailer. Later models had the cable run thru the drawbar to the trailer hitch... Drawbar is mase up of 2 "U" channel pieces welded together to make a tube...
Thanks Hal.
I found m100 trailer with tags dated 8/52, it has the jumper plug attched to trailer wiring behind a cover on RH draw bar
the rolling frame I found has no tags or markings other than few on rear cross member. Frame does have the hole for receptical in R fr corner. actually trying to date the frame, which probably wont be possible
does anyone know what was the years of production? & how many approx were built?
also does the Trailer TM cover individual parts or is there a seperate parts list for M100.
It is a dunbar (kapplling)?(napplling)? #285895, 8/52, model 73-7000
and I guess i can answer my own Q parts list G-747 is needed,
Top RH drawbar of trailer is stamped with 01285896, I havent found any stampings on rolling frame yet. the drawbar stamp is very close to Mfg SN?
rear of trailer has been cut out??, waiting for rear panel from Stephen Green, JPP
There are several manuals available for the M100. They are the first service manual TM 9-871 dated 27 JUL 1951, the first ORD 9 SNL G-747 dated 7 FEB 1952 an ORD7/8 dated JUL 1956 and finally the TM 9-2330-201-14 Dated 26 APR 1972 which was a modern service and parts in one manual.
All the M100's came with the hole in the frame for the plug receptacle and the two brackets on the front panel for the storage box. As Hal mentioned above sometime around 1953/54 they dropped the cable with two plugs and the box. We have seen dozens of early trailers without the box or plug receptacle that should have came with them originally but it stands to reason the Army would eventually only stock the later cable and trailer harness and that at depot rebuilds or during harness replacements the trailer would be upgraded to the newer setup.
The manufacturers as far as is known today didn't use any serial markings on the frames. During some periods the serial numbers were often used as the registration number painted on the tub. During rebuilds sometimes that number would be stamped on the draw bar. There are a ton of variables and neither Dunbar Kappel or Strict retained any known records of production. There were two more builders as well in later years. With the M416 introduced in 1959 to fit the M151 series I doubt any new M100 production continued much further than the 60's. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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