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Vin decoding help

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Old Dec 24, 2024 | 06:41 PM
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Vin decoding help

Hey guys, can someone help me decode this vin?

I think it's a 1964. I know it is an f700. Was a fire truck, until someone sold the bed off it long before me. Has 3k miles on it.
My next question is, does anyone know how to get the pump into "road mode". I cannot get the shifter lever to come out far enough, even with the bigger hammer. The one thing I wish can try is to rock it but the back wheels are stuck from sitting.
 
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Old Dec 24, 2024 | 09:25 PM
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I'll get back to you later today.

Is the pump driven by a PTO or the main drive shaft?
 
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Old Dec 24, 2024 | 09:30 PM
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The pump is driven by the driveshaft. I can put the truck in gear and the drive shaft going from tranny to pump just spins. I can pull up the pump shifter lever inside the truck but it doesn't quite come up all the way to the notch. I also discovered that the drive shaft from the back of the pump to the rearend has absolutely zero play in it. That would be from sitting for 20 or more years.
 
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Old Dec 25, 2024 | 01:17 AM
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F70 = F700

F = 332 4V Lincoln derived Y-block.

U = Louisville Assembly Plant

151897 = 1961 numerical series, March 1961 production

174 = 174 inch wheelbase

J = Red

F700 = F700, 21,000 lbs GVWR

- = Date code, used '57 to '60, not used for this '61.

K = Clark model 265VO five speed Overdrive transmission (251VO five speed Overdrive also shows)

66 = Single speed rear axle, 15,000 lbs capacity, 7.20 ratio
No front axle code, probably Ford 6,000 lb capaciity without power steering

21000 = 21,000 lbs GVWR

173 3600 = 173 Certified Net HP @ 3600 RPM

611752
61 = Dallas District Sales Office
1752 = Special Order Number

Your axles will have info on tags or cast or stamped into them.

The Lincoln derived Y blocks were good HD engines, but parts are harder to find these days.









 
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Old Dec 25, 2024 | 05:11 AM
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Wow, that is a ton of good info. That's too bad about the engine. The truck was a rural fire truck and is showing 3k miles and I got it started. If I can't get the thing to move I was gonna put the engine in a '58 f100 with a 272.

Do you think that the rearend/rear drum brakes being stuck would stop the pump gear from engaging?
 
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Old Dec 25, 2024 | 03:06 PM
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I know nothing about those pumps.

Can you pull the rear drive shaft and see if the axle is free?
 
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Old Dec 25, 2024 | 04:30 PM
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Phone lost connection….
i thought of that today. I’ll try it when i get back.
 
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Old Dec 26, 2024 | 12:42 PM
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That one’s a little older than I’ve messed with on but the 68 model fire truck we had you pulled the pump control out to engage the the pump and in the engage the rear drive shaft
Can you get to the shift lever on the pumps transfer case, if so I’d disconnect the cable or linkage and see if I could shift it by hand, with the transmission in neutral you should be able to turn the front shaft to align the gears in the transfer case to shift it into road gear
 
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Old Dec 26, 2024 | 06:33 PM
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I had been under there shifting the linking by hand and even tapping it with a hammer to see if anything was stuck.

But just a while ago neighbor was walking by at the time I was loooking at it in my driveway. Turns out he had a trucking company in Uganda back in the day. He found that the parking brake that holds the drive shaft was stuck. Then we pulled the inspection plates off and drained the oil. It was full of water. After messing with and manually shifting the gears with a pry bar it started working. To fully engage the transfer case pump you have to put the truck in gear. Seems like a duh, but the driveshaft from transmission to pump moves back a bit more to engage the rear gear. When the transmission is in nuetral so is the transfer case/pump.
I have it soaking right now and then will drain it in a couple of days. But that was a big win.

Thank you guys for responding.
 
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