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Old 05-29-2023, 10:04 AM   #1
junkyard junky
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Default What Size Truck Tires for 1946 1.5 ton???

Looking at getting tires for my 46 1.5 ton truck. Has 7.50x20 in the front and 8.25x20 on the rear. What size came on the truck originally and what size if everyone running?
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Old 05-29-2023, 11:09 AM   #2
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Default Re: What Size Truck Tires for 1946 1.5 ton???

The one I have parked here has 7.00-20 both ends
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Old 05-29-2023, 11:14 AM   #3
GB SISSON
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Default Re: What Size Truck Tires for 1946 1.5 ton???

I knew when I bought this it was gonna be running 8.25 x 20s on all six. I like my trucks sitting 'way up firm and high'. The rubber overdrive from these 38" tires kept me up with the island's 40 mph speed limit.
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Old 05-29-2023, 11:15 AM   #4
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Default Re: What Size Truck Tires for 1946 1.5 ton???

Quote:
Originally Posted by GB SISSON View Post
I knew when I bought this it was gonna be running 8.25 x 20s on all six. I like my trucks sitting 'way up firm and high'. The rubber overdrive from these 38" tires kept me up with the island's 40 mph speed limit.
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Old 05-29-2023, 11:31 AM   #5
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Default Re: What Size Truck Tires for 1946 1.5 ton???

Your rear tires should not touch [rub] sidewalls when loaded. Newc
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Old 05-29-2023, 12:40 PM   #6
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Default Re: What Size Truck Tires for 1946 1.5 ton???

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Good to see the truck doing work and not parked up
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Old 05-29-2023, 12:41 PM   #7
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Default Re: What Size Truck Tires for 1946 1.5 ton???

The 1946 Dealer Handbook shows all six 7.50-20s achieved a 12,500 lb gvwr. Fitted with four 8.25-20s at the rear achieved a 14,500 gvwr. Stu
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Old 05-29-2023, 09:59 PM   #8
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Default Re: What Size Truck Tires for 1946 1.5 ton???

What brand are you tires? Do you buy them locally?



Quote:
Originally Posted by GB SISSON View Post
I knew when I bought this it was gonna be running 8.25 x 20s on all six. I like my trucks sitting 'way up firm and high'. The rubber overdrive from these 38" tires kept me up with the island's 40 mph speed limit.
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Old 05-29-2023, 10:03 PM   #9
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Default Re: What Size Truck Tires for 1946 1.5 ton???

What brands are the best to buy in the 7.50 and 8.25 size? Talked to the local tire shop near me and they have a brand called Vee Rubber.
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Old 05-30-2023, 08:47 AM   #10
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Default Re: What Size Truck Tires for 1946 1.5 ton???

Not sure if it was factory original or a later owner addition but the 46 I had used 7.50 on the front and 900x20 on the back.
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Old 06-01-2023, 09:15 PM   #11
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Default Re: What Size Truck Tires for 1946 1.5 ton???

I bought all six tires used from a CL seller for 600 bucks. Maybe a local fleet changes them out on a schedule and would have some used. I think for new tires they are gonna be from overseas, but really they must have to pass the DOT stuff. Also check with Miller Tires in Ohio. They specialize in vintage truck and tractor tires. Keep us in the loop, many of us here like the big trucks!
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Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1947 Tonner Pickup (red) mostly stock with exception of a cummins 6at turbo diesel, 1946 Tonner Pickup (green) with 226 cu in 6 cyl flathead, 1979 Toyota landcruiser wagon, completely encased in 1947 Ford Jailbar sheet metal. Ok, cornbinder rear fenders..... 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)
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Old 06-02-2023, 02:34 AM   #12
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Default Re: What Size Truck Tires for 1946 1.5 ton???

I did a little looking around I found 9.00 20's they are hard to find and expensive, about $330 - 425 each. 8.25 are a little cheaper, I found them @ $277, delivered to my zip 97502.
https://www.ebay.com/itm/38358484414...Bk9SR-j0rLGPYg

10.00 20's are still common @ ~$380

I did find a interesting tire, that could be used on the front. It's a 3 rib, 7.50 20, implement tire (like a tractor tire) that could make steering a a lot easier for $154 ea.

I couldn't find anything smaller than the 8.25's for truck tires.

My '35 has 7.00 20's on the front and dual 6.50's on the back.
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Old 06-02-2023, 05:20 AM   #13
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Default Re: What Size Truck Tires for 1946 1.5 ton???

https://www.universaltire.com/truck-...wall-tire.html
i put 2 of those on my front ,drives very good.
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Old 06-02-2023, 05:46 AM   #14
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Default Re: What Size Truck Tires for 1946 1.5 ton???

I have Firestone 6.50-20 front and back on my '35 1-1/2 ton. In the day, many trucks had different, usually smaller, front tires. I went for the same size all around just to make swapping tires uncomplicated. Watch out for body clearance with big tires under loaded conditions and also as someone else mentioned, rubbing together of dual rear tires under load.
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Old 06-02-2023, 07:57 AM   #15
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Default Re: What Size Truck Tires for 1946 1.5 ton???

Quote:
Originally Posted by frnkeore View Post

I did find a interesting tire, that could be used on the front. It's a 3 rib, 7.50 20, implement tire (like a tractor tire) that could make steering a a lot easier for $154 ea.
.
I have a pair of those triple rib tractor tires on wheels from a seed drill in 7.50x20 size but like most implement tires they are rated for speed of 25 mph maximum.
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Old 06-09-2023, 08:47 PM   #16
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Default Re: What Size Truck Tires for 1946 1.5 ton???

I looked at Miller tire. Called down to the tire shop that is close to where i work which is 50 miles from the house. They could get 7.50 and 8.25 for $400 each mounted. Talked to a buddy who lives about 2 hours from me. He said he had a set of 4 8.25x20 that a neighbor gave him. Said he would give them to me. His neighbor is very particular and said the only reason he took them off because they were 5 years old. All the guy did was haul grain out fot he ield with the truck that they were on.
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Old 06-10-2023, 08:55 PM   #17
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Default Re: What Size Truck Tires for 1946 1.5 ton???

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Originally Posted by junkyard junky View Post
I looked at Miller tire. Called down to the tire shop that is close to where i work which is 50 miles from the house. They could get 7.50 and 8.25 for $400 each mounted. Talked to a buddy who lives about 2 hours from me. He said he had a set of 4 8.25x20 that a neighbor gave him. Said he would give them to me. His neighbor is very particular and said the only reason he took them off because they were 5 years old. All the guy did was haul grain out fot he ield with the truck that they were on.
Can't beat the price! You got lucky. Go grab them Badboys pronto!
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Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1947 Tonner Pickup (red) mostly stock with exception of a cummins 6at turbo diesel, 1946 Tonner Pickup (green) with 226 cu in 6 cyl flathead, 1979 Toyota landcruiser wagon, completely encased in 1947 Ford Jailbar sheet metal. Ok, cornbinder rear fenders..... 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)
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Old 06-11-2023, 07:49 AM   #18
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Default Re: What Size Truck Tires for 1946 1.5 ton???

Coker had them for roughly 200. each about a yr ago.
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