"Type" of Headlights

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"Type" of Headlights

Postby Paul_NJ » Sat Feb 04, 2006 8:10 am

Does anyone know if there is a way to tell of your headlights are "Guide-Type" or "Dietz-Type"? I need replacement headlight retaining rings on my 340U. JP Tractor didn't have any but suggested IH may still have them. Looking in the Parts Manual, there are two families of headlights with two sets of numbers, classified as Guide or Dietz. Can't tell from the line diagrams how they look different. Seems to me I heard this same terminology before, maybe with regard to Cub lights.

While the headlight body housings had surface rust, hot tanking, a little Bondo in one pinhole, primer and paint got them looking pretty good. NAPA had the sealed beam bulbs. All I need are the rings.
51 Cub; IH 340 Utility; IH 240 Utility http://public.fotki.com/PWS/

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Don McCombs
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Postby Don McCombs » Sat Feb 04, 2006 8:25 am


Can you post a picture of both front and rear of your headlights? May help with identification.
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Postby Jim Becker » Sat Feb 04, 2006 10:26 am

Look on the back side of the housings. Many lamps have the company name stamped in, usually near the stem. I don't know that it is on all of them and it may be impossible to find if filled with paint.

Here's another clue from looking at 240 parts catalog (don't have 340). It appears that the screw for the Guide retaining ring screws into the ring itself. The Dietz uses a fillister head screw with a nut. Closely inspect your old rings to see evidence that they were originally threaded.

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