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#357648 01/07/2008 5:31 PM
Joined: May 2006
Posts: 237
J
Shop Shark
Shop Shark
J Offline
Joined: May 2006
Posts: 237
Any idea on what the stock engine and transmission should be for a 1961 2-Ton? Old farm grain truck.

Engine: Is it a 261? I'm thinking not a Detroit 4-53 or 6-71, but possibly one of those bent 6's.

Tranny: SM420? or is it a 5 speed?

Joined: May 2005
Posts: 8,878
G
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G Offline
Joined: May 2005
Posts: 8,878
If it is a GMC it should have a tag on the inside of the glove box lid that list what it had stock.

My vote goes for a V6, like a 351.

Grigg


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
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Grigg #357888 01/08/2008 4:38 AM
Joined: Aug 2001
Posts: 3,596
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jhaa
Sounds like you will be going to that auction with a check book.
Trucks like that generaly sell for a little over scrap price in rural Missouri.Scrapper will run it up to about $400 and then back off.
Have you called the auctioneer and asked for more info?
They are more than willing to give info to get another buyer there.
I hope to attend the Clark auction in Washington, Mo. on Jan.12 and watch the fire truck sell.
With a little over 10,000 miles on it, I suspect it will be out of the reach of my checkbook.

Good luck on saving another part of history.

2-Ton


1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!
2-Ton #357939 01/08/2008 9:16 AM
Joined: Feb 2000
Posts: 268
J
Shop Shark
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J Offline
Joined: Feb 2000
Posts: 268
I could tell you if you have posted a series number like 4000. the stock engine in the little ones was the 305B or 305C Big Block V6. if its a bite bigger then you mite find a 351C or 401 V6.


The trans would be the SM420 if its a 4-speed, or maybe a NP540 if a 5-speed.

Last edited by Jolly; 01/08/2008 9:18 AM.
Jolly #359743 01/12/2008 5:13 AM
Joined: Jan 2008
Posts: 165
A
Wrench Fetcher
Wrench Fetcher
A Offline
Joined: Jan 2008
Posts: 165
Most likely the 305 C for power and the sm420 for a gear box, the 2 ton being a 4000 I believe


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