Hydrovac

General Discussion about the WW2 Chevy Trucks 2 and 4 wheel drive. Technical aspects should be discussed the the CCKW Tech forum. Forsale/Wanted should be addressed in the CCKW Forsale or Wanted catagory
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KEVINABR
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Hydrovac

Post by KEVINABR »

Hi all just wanted to ask What Hydrovac do you have on your Chevy ??? are there 3 types like the GMC ?? Where are the model numbers located on the hydrovac so i know which model i have ?? all i know mine is a Bendix :oops:
Last edited by KEVINABR on Sun Jan 24, 2010 5:24 pm, edited 1 time in total.
1941 GMC 352 A1 Cargo 29595
1942 GMC 353 F2 Workshop 102620 ST6 Type M18 Electrical Repair
1942 GMC 353 B2 Cargo
1942 Ben Hur 1ton Wooden Cargo Trailer
1942 Chevrolet G506 G7113 Tractor 1NK 245837
1944 5ton The Trailer Company of America, Stake and Platform Semi Trailer
1943 Dodge WC63 6x6 82035401
194? Diamond T 968a 968A7471
PFC 514th Q.M T.C We Deliver Everything, Except Babies
John V Cliche
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Re: Hydrovac

Post by John V Cliche »

I found during my restoration that there were 3 models for the G506 series as well with the same spotting differences as the CCKW.( do you know what they are ? )
I went with the 3rd series single diaphram model. Purchased from a vendor in Oregon USA
I'm certain you should be able to locate a suitable replacement "closer" to home

Hope this helps
John
42 Chevy G7117
44 Ford M20 armored car
44 CCKW 353 A1 660 gal Tanker
45 CCKW 353 B2 Air-portable
Ben Hur 1 ton trailer
MVPA#26900
KEVINABR
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Re: Hydrovac

Post by KEVINABR »

Thanks John
i'm not sure but i think i have series 1 ???? how can i tell the difference ?? between 1 & 2 ??? it has straight tube one end with Bendix facing the front and other end with a larger chamber and air intake the other ... will try and post pic :? :? :?
1941 GMC 352 A1 Cargo 29595
1942 GMC 353 F2 Workshop 102620 ST6 Type M18 Electrical Repair
1942 GMC 353 B2 Cargo
1942 Ben Hur 1ton Wooden Cargo Trailer
1942 Chevrolet G506 G7113 Tractor 1NK 245837
1944 5ton The Trailer Company of America, Stake and Platform Semi Trailer
1943 Dodge WC63 6x6 82035401
194? Diamond T 968a 968A7471
PFC 514th Q.M T.C We Deliver Everything, Except Babies
John V Cliche
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Posts: 981
Joined: Thu Jun 08, 2006 1:10 am
Location: Kennebunkport, Maine

Re: Hydrovac

Post by John V Cliche »

My understanding of the series one is , a dual diaphram with the "tie rods" fastening thru a triangular plate on each end , second model again dual diaphram but with the tie rod going thru cast "J " hooks on either end, and the 3rd series single diaphram with wire/rod J hooks ( Avail thru most brake equipment jobbers )today.

Hope this helps
John
42 Chevy G7117
44 Ford M20 armored car
44 CCKW 353 A1 660 gal Tanker
45 CCKW 353 B2 Air-portable
Ben Hur 1 ton trailer
MVPA#26900
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retro-roco
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Re: Hydrovac

Post by retro-roco »

Item Co., 23rd Inf. Regt., 2nd Div. WWII HRS
(Retro-Roco)
Bloomington, IL
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1942 Chevy 1-1/2 ton cargo w/ winch
194? Ben Hur water trailer
KEVINABR
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Joined: Mon Nov 13, 2006 1:08 pm
Location: RAMSGATE ENGLAND

Re: Hydrovac

Post by KEVINABR »

Many thanks for link :D ... Yes i have series one model .... is there anyway of testing this vac if engine not running and does anyone know how easy they are to rebuild ???? :D :D :D the pros and cons
thanks in advance
Kevin
1941 GMC 352 A1 Cargo 29595
1942 GMC 353 F2 Workshop 102620 ST6 Type M18 Electrical Repair
1942 GMC 353 B2 Cargo
1942 Ben Hur 1ton Wooden Cargo Trailer
1942 Chevrolet G506 G7113 Tractor 1NK 245837
1944 5ton The Trailer Company of America, Stake and Platform Semi Trailer
1943 Dodge WC63 6x6 82035401
194? Diamond T 968a 968A7471
PFC 514th Q.M T.C We Deliver Everything, Except Babies
John V Cliche
Lieutenant Colonel
Lieutenant Colonel
Posts: 981
Joined: Thu Jun 08, 2006 1:10 am
Location: Kennebunkport, Maine

Re: Hydrovac

Post by John V Cliche »

State side the re-build kits for dual diaphram Chevy or even CCKW Hydro-vac are non-existant.....But on your side of the pond I'm sure Ward, or Leegwater(sp) has them avail.
They need a vac. source to function. :(
John
42 Chevy G7117
44 Ford M20 armored car
44 CCKW 353 A1 660 gal Tanker
45 CCKW 353 B2 Air-portable
Ben Hur 1 ton trailer
MVPA#26900
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