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What Am I for Saturday 03/02/13

Posted By Jeff Lakaszcyck 7 Years Ago
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Jeff Lakaszcyck
Posted 7 Years Ago
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Have you ever seen a powered dolly ?? This one was built by a truck manufacturer.

http://forums.justoldtrucks.com/Uploads/Images/569ddfce-eef0-4711-83ae-5816.JPG

Jeff
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eymurphey
Posted 7 Years Ago
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1966 --- Frieghtliner

Trucks, give me trucks!!! --- I'M LIKING TRUCKSWhen we see what we want to see, and hear what we want to hear---- all too often we miss the point!


I'm where I'm at when I'm all there! But,when I'm here, how can I be all there?

George Murphey --

Brocky
Posted 7 Years Ago
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It looks like something the Consolidated Freightways shop would come up with so I quess George would be right about Freightliner if they were produced in quanity.

Brocky
clyde318
Posted 7 Years Ago
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Agree with Freightliner.
John Frances
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Agree, Freightliner.
Jeff Lakaszcyck
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Everyone is in agreement. This powered dolly was the second version built by Freightliner in the 1960's, this one powered by a 130 hp Cummins V6. THe first version used a Cummins C-105 4 cylinder. George Murphey had this 1st. Here is some additional info from Rocky Blakewood who sent the photos:

In the early to mid 1960s, Freightliner built two prototype power dollies to help trucks in double and triple operations to climb hills faster. Freightliner had been building A-dollies since the early 1950s.

The first was built with a Cummins C-105 4 cylinder diesel engine putting out 105 HP @ 2500 RPM. Power was sent to the wheels using a 6-speed Allison transmission. 40 gallons of diesel fuel was carried in a tank on the side of the dolly, and the radiator at the back. Without fuel it weighed 5,800 lbs.


The dolly was electrically controlled through the ATA 7 way trailer connector. The control switch in the cab had three settings, off, idle, and full power. Application of the truck brakes would return the engine to idle.

Norm Chew presented a paper titled "The Power Dolly Approach to Highway Transportation" to the Society of Automotive Engineers in 1965.

The 4 Cyl Dolly appears to have been extensively tested by Bend Portland Truck Service and CF.

The results must have been successful enough to build the V-6 version. This unit used a Cummins V-6 producing 130 HP @ 3000 rpm. Instead of a transmission, a two stage torque converter which would allow free wheeling was built integral into the axle.

The dolly carried 50 gallons of fuel and this time the radiator was mounted at the front. Without fuel, the dolly was estimated to weigh 4,800 lbs.

Control of the dolly was accomplished the same way.


http://forums.justoldtrucks.com/Uploads/Images/adc4f008-b5ee-40b2-bbf4-3fc4.JPG

http://forums.justoldtrucks.com/Uploads/Images/3071ca3a-243f-4436-9ddc-8175.JPG

http://forums.justoldtrucks.com/Uploads/Images/852f74f2-2e40-44de-a307-bec7.JPG



Jeff
Bill White
Posted 7 Years Ago
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1953 White WC24, 1949 IH KBS11
Tutlebrain
Posted 7 Years Ago
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Does anyone knows whether they were used in conjunction with one of these?

http://www.freightlinertrucks.com/Areas/Timeline/Content/images/1950_brochure.jpg
eymurphey
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http://forums.justoldtrucks.com/Uploads/Images/5637913b-9a6e-410e-b350-27d1.jpg


ALSO SEE---- Freightliner Trucks: 70 Years of Innovation

Trucks, give me trucks!!! --- I'M LIKING TRUCKSWhen we see what we want to see, and hear what we want to hear---- all too often we miss the point!


I'm where I'm at when I'm all there! But,when I'm here, how can I be all there?

George Murphey --

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Tutlebrain
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George,

Thanks for this. Really like a 10X6... Must have been quite a sight and sound. I know similar ideas were tried in Oz and NZ but it was the trailer which was powered.


Cheers

T


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