What can I tow?

Facts, Tips, Hints, and other snippets about the CCKW, Chevy, or DUKW
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eaw46
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What can I tow?

Post by eaw46 »

Anyone have a comment on the max towiing capability of a CCKW in good shape. I would have the truck unloaded and I have a triple axle trailer with good brakes so I am not worried about stopping. I am only going under 50 miles and it is flat on good pavement. I am not in a hurry and 30MPH is just fine. I am looking for comments from people who have towed please. Thanks Eddy
John V Cliche
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Re: What can I tow?

Post by John V Cliche »

Let me ask how much does that empty 3 axle trailer weigh ?
And then how much does the Load your gonna put on that trailer weigh ?
Also how much does your CCKW weigh ?
Did you convert your CCKW to 12 volts ? (Iam assuming the trailer has electric brakes )


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
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eaw46
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Re: What can I tow?

Post by eaw46 »

The truck is in very good shape the trailer is about 1500lbs. The truck would be about 11,000 lbs as it has the winch. I have the trailer brakes working with the 6 volt system with a transformer box and a relay. I am just looking as to what would be a max safe load for the trip. I have a couple of other MVs and want to know what I can tow to a show or gathering.

Jeep 3000 lbs I would assume its a Yes It can go in the back but harder to load and unload that way.
Unimog 7000lbs I would assume its also a Yes
Ferret 8000lbs I would assume its Ok too as I am not going far and on good flat road and do not mind going fairly slow.
Half Track 16000lbs ???????
John V Cliche
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Re: What can I tow?

Post by John V Cliche »

A 3 axle trailer with brakes on each axle, you would consider hauling a halftrack on..... that only weighs 1500 lbs.....are you sure :shock: something can't be right...


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
eaw46
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Re: What can I tow?

Post by eaw46 »

Trailer is 1500 Klg sorry thats about 3300 lbs the other wights are close. The CCKW might be almost 14000 lbs Eddy
John V Cliche
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Re: What can I tow?

Post by John V Cliche »

OKAY...But it still seems kind of lite to me ( I have a 14,000 Lb GVW flat bed with 2 axles that weighs 4160 lbs )
Anyway....
The CCKW is rated for 5000 lbs in the body off-road.....or 10,000 lbs in the body on-road.....and tow 4000 lbs as well....so....you have a 14,000 lb load capacity over and above the vehicle weight, so ...I guess you could tow up to 14,000 ( combined trailer and load weight ) But braking could be a problem given that the rear tandems are not hauling additional weight other than tongue load.

I would not recommend attempting this.....but ...ultimately the choice is yours...

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
dr deuce
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Re: What can I tow?

Post by dr deuce »

I sometimes carry my WW2 Clark-Air dozer in the Searchlight Trailer. The combo is about 9300 lbs.

You will find the CCKW pretty sluggish with the 270 @94 hp. I have a 160 hp 302 in mine and it is pretty tough on the hills!

I towed the combo once with the original 270. That was what finally convinced me to put the 302 in.

To have the electric brakes work fully on a modern trailer you need to have the ability to have 12 volts. My truck is also 12 volts and the trailers have 6 volt brakes. I wire the brakes in series instead of parallel so I can use the full 12 volts through the brake controller.

In my normal driving, I get about 6.5 mpg. Towing the dozer-SL trailer twice and measuring the mileage, I got 5.9 mpg! I was amazed that I only lost ~10% of my mileage by almost doubling the GVW.

Remember the torque rods and their bushings. You are pulling/pushing through them. Also inspect the pintle mount, braces and brackets.

My $0.02

PS: I also carry the GPW Jeep in the back (not when towing the SL trailer)
Dr Deuce Over 50,000 driven miles in a CCKW
1942 CCKW closed cab shopvan
1943 CCKW closed cab cargo w/M32 MG mount
1944 CCKW open cab LeRoi Kompressor
1944 CCKW open cab F1 Aircraft fueler tanker
1945 CCKW open cab cargo w/artic cab
1942 Chev cargo
1942 Chev K51 Panel
1944 Chev M6 Bomb Truck
1942 GPW Jeep
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