ID -20/20 Amp Gauge

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ID -20/20 Amp Gauge

Postby Michael O. » Wed Jun 14, 2017 12:11 pm

What WWII period vehicle used a -20/20 and gauge? This one has the little window to allow light to illuminate the gauge. Thanks in advance.
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Michael O'Connell
1941 WC-4 8668603, USA W-219465, "9th Service Command"
1942 GPW 2647, 2/26/42, USA-2055607 (est from Tom W.)
1943 GPW 104111, 3/23/43, USA-20369245 / USN 88667 ("54") "Bayonne NJ NSD"
1944 MB 379204, 10/12/44, USA-20640967 / USN 22XXX assigned to the "AD COM PHIBS PAC"


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Re: ID -20/20 Amp Gauge

Postby Wolfman » Thu Jun 15, 2017 7:17 am

Looks like a gauge I see all the time on 40's and early 50's, 6 volt farm tractors.
Did not need much current flow back then. Keep the battery charged and run 2 or 3 small incandescent lights. And not much of that. Back then, farmers got up and went to bed with the sun.
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Re: ID -20/20 Amp Gauge

Postby Michael O. » Thu Jun 15, 2017 7:58 am

Thanks for your reply. I'll cross reference with tractors or possibly aircraft tugs the military used in the time period period? This gauge is useless to me so hopefully I can find out what it can be used in.
Michael O'Connell
1941 WC-4 8668603, USA W-219465, "9th Service Command"
1942 GPW 2647, 2/26/42, USA-2055607 (est from Tom W.)
1943 GPW 104111, 3/23/43, USA-20369245 / USN 88667 ("54") "Bayonne NJ NSD"
1944 MB 379204, 10/12/44, USA-20640967 / USN 22XXX assigned to the "AD COM PHIBS PAC"


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Re: ID -20/20 Amp Gauge

Postby Mark Tombleson » Thu Jun 15, 2017 12:01 pm

I don't know but Sean should. PM him and see if he can help you!

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Re: ID -20/20 Amp Gauge

Postby Michael O. » Fri Jun 16, 2017 9:07 am

I've PM'ed him....I appreciate the suggestion Mark.
Michael O'Connell
1941 WC-4 8668603, USA W-219465, "9th Service Command"
1942 GPW 2647, 2/26/42, USA-2055607 (est from Tom W.)
1943 GPW 104111, 3/23/43, USA-20369245 / USN 88667 ("54") "Bayonne NJ NSD"
1944 MB 379204, 10/12/44, USA-20640967 / USN 22XXX assigned to the "AD COM PHIBS PAC"


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Re: ID -20/20 Amp Gauge

Postby Ben Dover » Fri Jun 16, 2017 10:01 am

The Army had a lot of AC and DC Generators that had 20 or 30 Amp Ammeters during WWII. I had a Waukesha IXB powered 3 or 5KW unit that was in the crate with a 20 Amp Ammeter. Gauges were AC/Delco.
The slotted backlit GI gauges indicate post war.
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Re: ID -20/20 Amp Gauge

Postby Chuck Lutz » Fri Jun 16, 2017 10:07 am

I would have to agree with Joel in that the slotted, back of dash lit gauges are post WWII design.
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Re: ID -20/20 Amp Gauge

Postby Michael O. » Sat Jun 17, 2017 8:53 pm

A gauge for a generator makes sense. I knew it wasn't g503 for sure. This came with a grouping of gauges I bought recently and wasn't aware of any vehicle (WWII or posts war era) that used this gauge. Maybe I can use this as a donor for some parts to restore a more desirable gauge. Thanks to all who responded.
Michael O'Connell
1941 WC-4 8668603, USA W-219465, "9th Service Command"
1942 GPW 2647, 2/26/42, USA-2055607 (est from Tom W.)
1943 GPW 104111, 3/23/43, USA-20369245 / USN 88667 ("54") "Bayonne NJ NSD"
1944 MB 379204, 10/12/44, USA-20640967 / USN 22XXX assigned to the "AD COM PHIBS PAC"


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Re: ID -20/20 Amp Gauge

Postby Ben Dover » Sun Jun 18, 2017 6:34 am

Just remember, the WWII Army had all kinds of gasoline powered equipment that had no wheels and did not roam the roads. Many of these mystery gauges went to that equipment.
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HONOR GRAD-WHEELED VEHICLE MECHANIC SCHOOL 1960 - US ARMY ORDNANCE SCHOOL(MACHINIST) ABERDEEN PG 1962 - O-1 BIRD DOG CREWCHIEF - 300,000+TROUBLE FREE M-38A1 MILES
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Re: ID -20/20 Amp Gauge

Postby Michael O. » Sun Jun 18, 2017 5:40 pm

I understand Joel, and concur with your statement. Using this gauge in a gen set or other similar type of equipment makes sense. Maybe I'll find someone who can use this gauge and if not then I'm sure the glass face plate, needle and bezel can be used on a restoration project and the face plate can be re-silk screened as a 30 or 50 amp.

I appreciate all the help in ID'ing this gauge.
Michael O'Connell
1941 WC-4 8668603, USA W-219465, "9th Service Command"
1942 GPW 2647, 2/26/42, USA-2055607 (est from Tom W.)
1943 GPW 104111, 3/23/43, USA-20369245 / USN 88667 ("54") "Bayonne NJ NSD"
1944 MB 379204, 10/12/44, USA-20640967 / USN 22XXX assigned to the "AD COM PHIBS PAC"


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Michael O.
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