Joined: Jan 29, 2007 Posts: 22 Location: La Pampa, Patagonia, ARGENTINA
Posted: Sat Jul 07, 2007 7:11 pm Post subject: M-100 (late model) trailer question
Hi all from La Pampa province, Patagonia, ARGENTINA!!!
I´m glad to be part of this great group!!!
I´m the proud owner of some old MVs, a 1962 Willys M38A1, a 1965 M100 trailer, a 1965 M601 Dodge and M101A1 trailer, a 1976 Mercedes-Benz Unimog 416, a 1981 Mercedes-Benz 230G (G-Wagen), a 1968 M105A2C trailer and a field kitchen, water trailers, etc. All of them ex-Argentine Army.
Me?? A fan o these things??????
In time, I´ll post some pics.
But first I have a question (what else????): my M100 trailer has "normal", that is to say, right hand thread lug nuts on both sides of it. Were they all equipped this way, or only the later ones like mine? Some info on my M100, the data plate states it is a model TH M-100, manufactured by Tar Heel Eng´r & Mfg. Co. Spring Hope, N.C. U.S.A., with a serial # of 169, and a delivery date of 6-65 under contract No. DA-20-113-AMC-04491(T).
Hope someone knows...
Cheers
Gaston
MVPA member# 17535
Last edited by dongaston70 on Sat Jul 07, 2007 11:07 pm; edited 1 time in total
Both of my parts catalogs 1951 and 1972 show right hand lugs (51 manual 7375141 & 1972 7328293) on the right and left hand lugs (1951 7375140 & 1972 7328294) on the left. I am not sure why the different part numbers early vs late. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Since the 1972 Parts manual shows only the left and right threaded arrangement and production of the M100 had long since ended I would assume that it was a field service replacement.
The left hand threading of left side rotating parts was a carry over from the late 1800's when locking devices were less abundant and flat instead of tapered lug nuts and wheel holes were used. The tapered seat and lugnut act as a locking feature and when properly torqued will not loosen.
Over the years since the advent of the tapered seats/nuts many a left hand threaded stud was broken off by folks trying to remove them using the lefty loosey method with impact tools and large lug wrenches. This led to most mechanics just switching all the lefties to righties. This was commo in the field for trailers and powered vehicles. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Joined: Jan 29, 2007 Posts: 22 Location: La Pampa, Patagonia, ARGENTINA
Posted: Sun Jul 08, 2007 8:12 am Post subject: right/left hand thread
Thanks again Wes, I didn´t know its origins. You´re a wealth of info.
By the way, a practical rule regarding these right/left threaded lugs is that no matter which side of the vehicle you are the nuts always loosen to the back or "tail" of it.
Gaston
Joined: Mar 28, 2006 Posts: 123 Location: Buenos Aires,Argentina
Posted: Sun Jul 08, 2007 8:18 am Post subject:
Welcome to this group Gaston!!!!!!
Bienvenido al grupo Gaston!!!!
Always interesting questions. These boys surely you would say the correct answer to you, coverall wesk
Siempre preguntas interesantes.
Estos muchachos seguramente te diran la respuesta correcta, sobretodo wesk
Un abrazo a todos
Luis
1966M606
AR.100 1/4 Ton. Trailer
Buenos Aires
Argentina
Joined: Jan 29, 2007 Posts: 22 Location: La Pampa, Patagonia, ARGENTINA
Posted: Sun Jul 08, 2007 8:24 am Post subject: Luis
Glad to hear from you Luis. I really think this group is great, Wes is undoubtedly a true expert on these green machines (and many more!!!!).
I hope I can be of help -as you also are- regarding Jeeps in Argentina.
Te mando un abrazo desde La Pampa ("A hug from La Pampa").
Gaston
Welcome to the group Gaston. I extend my hand from Texas.
Bienvenido al grupo Gaston. Extiendo la mano de Tejas. _________________ Tropical Veteran
35th Inf. Reg. "CACTI" 4th I.D. VN
Amateur Radio K5XOM
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