Cub Lights

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Glen
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Posts: 1976
Joined: Mon Mar 19, 2012 7:33 pm
Zip Code: 00000
Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
Circle of Safety: Y
Location: Wa.

Cub Lights

Postby Glen » Wed Mar 30, 2016 9:25 pm

Hi,
Here is some info I found some time ago about the Cub lights. I asked at NAPA what is the candlepower of the bulb used in the first style of Cub lights, from 1947-1953, it's a number 1133 bulb in the Cub parts book, he said 32 candlepower, that is the same candlepower as the backup light bulbs used on many GM cars in the 1970's or later.
Then I asked the candlepower of the 4511 sealed beam unit used in the 1958-1964 lights, he said 2000 candlepower. Quite a difference.
The candlepower of the 4411, 12 volt sealed beam light used from 1964 on, is 2500.
They made progress with better lighting over the years.
I couldn't find info for the candlepower of the 6V flatback light. :)

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Stanton
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Zip Code: 64070
Tractors Owned: 1942 Farmall AV, serial #87025
1945 Farmall H, serial #213,651
1947 Farmall Circle Cub, serial #2116
1948 Farmall Cub, serial #46066
Circle of Safety: Y
Location: Lone Jack, MO

Re: Cub Lights

Postby Stanton » Thu Mar 31, 2016 6:53 am

Interesting... thanks for sharing it.
Stanton
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John *.?-!.* cub owner
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Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
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Re: Cub Lights

Postby John *.?-!.* cub owner » Thu Mar 31, 2016 8:09 am

That appears to be a lot of difference, and the difference in brightness is noticeable, but not as much as those readings would make you think. The ratings are based on different standards, both in how they were figured and the fact that the 4511 and 4411 include the reflector so the amount of light is at a focused point, rather than a general light from a free standing bulb which is the way the 1133 is measured. I have one tractor I have converted to the 4511 bulbs and one still using the 1133. The converted one gives about twice as much light as the 1133 with fairly good reflectors, but also uses about 33% more current. Which means that on most 6 volt charging systems you are drawing more current with 3 bulbs on than the generator is capable of delivering. For that reason my rear lights have a switch mounted on the housing to disable them if not needed.
If you are not part of the solution,
you are part of the problem!!!

User avatar
Glen
5+ Years
5+ Years
Posts: 1976
Joined: Mon Mar 19, 2012 7:33 pm
Zip Code: 00000
Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
Circle of Safety: Y
Location: Wa.

Re: Cub Lights

Postby Glen » Thu Mar 31, 2016 7:25 pm

Hi,
That is right John, there's no reflector with the 1133 bulb, so their tests for candlepower probably show differently than the other sealed beam lights.


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