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Butch1581 
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 Topic: D14 Front Tires
Posted: 11 Dec 2023 at 9:43pm |
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Pretty new to the tractor world but I am a proud owner of a 1960 D14 with a 414 loader. It’s been great so far and we mainly use it for moving logs around in the woods and over to the mill. I want to upgrade the front tires as they are old and so much pressure on them when lifting logs. Looking for recommendations on a tire size and type with high load range. Everything we do with the D14 is low speed so not too concerned about having too stiff of tires unless someone tells me otherwise.
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Butch1581
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Posted: 11 Dec 2023 at 9:56pm |
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Butch1581
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Posted: 11 Dec 2023 at 9:58pm |
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steve(ill)
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Posted: 11 Dec 2023 at 10:35pm |
your rims should be 4.25 x 16 i believe and the tires would be 6 x 16 or 6.5 x 16 inch ? Most of those 3 rib tires are rated like 12- 1500 pound each ??
You probably want a different design tire... and might need a wider rim also... should be 5 bolts on 5 inch circle.
Thats a pretty big load for a D14... Have you checked the front axle /rims / bolts for problems ???
Edited by steve(ill) - 11 Dec 2023 at 10:55pm
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 11 Dec 2023 at 10:52pm |
I bought a pair of these 14 ply tires for a CASE 530 Backhoe a couple years ago. I think they were rated at 3500 Pounds each.... they also had 8 ply same size and they were 1950 pounds each... These have worked out well for me, but i have 5.5 or 6 inch wide rims, not the 4.25......
Edited by steve(ill) - 11 Dec 2023 at 10:53pm
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 11 Dec 2023 at 11:01pm |
wider rims for 7.5 inch tires .............. verify the offset prior to purchase to make sure they dont hit your spindles / alxe...
Edited by steve(ill) - 11 Dec 2023 at 11:02pm
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Like them all, but love the "B"s.
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jaybmiller
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Posted: 12 Dec 2023 at 6:40am |
one of my D-14s had new 3 ribs, Freeman loader, manual steering and it was a bear to steer, especially at low speed(99.44% or the time..) NO problem lifting ,just steering. other D-14 had pickup truck tires(8ply) on NEW rims, ps and a 'real' loader. BOTH rims got destroyed around the nuts ! I think the PO did a LOT of low speed or not moving steering with heavy loads in the 6' bucket, putting huge stress on the 'rim to hub' connection. OEM rims were designed for loader, I think the new ones(aftermarket, white) were NOT 'loader' rated.
btm line..... make turns while in motion
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
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WF owner
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Posted: 12 Dec 2023 at 6:49am |
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Not a tire recommendation, but be sure to retorque the lug bolts several times after removing, especially with a loader.
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DrAllis
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Posted: 12 Dec 2023 at 7:25am |
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New tires. Same size. 8 or 10 ply. Max of 30 lbs of air. Use the tire air cushion to protect your spindles and front axle. Looks to me like you're getting along fine. Bigger tires with more air will break things because you'll drive faster.
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Butch1581
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Posted: 12 Dec 2023 at 7:27am |
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Thanks for the replies all. I am going to have to check the front rims to see if they are OEM and check for damage of any kind on the front end. Haven’t had any issues yet but would like to do what I can to improve it. Sounds like some heavy duty rims and tires would be worth investing in. Keep the recommendations coming.
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Alberta Phil
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Posted: 12 Dec 2023 at 10:08am |
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I have 5 rib tires on the front of my D17 loader tractor. Much easier steering than the 3 rib
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Butch1581
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Posted: 12 Dec 2023 at 11:28am |
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I did recently pick up an old 3-point counterweight. It’s about 700lbs. If I put that on the rear that will reduce the front end stresses as well correct?
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steve(ill)
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Posted: 12 Dec 2023 at 12:40pm |
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Tyler... in theory more weight on the BACK will result in less load on the front end... The OTHER thing to remember is the tractor has no FRAME.. You are relying on the engine, torque tube, transmission as being the backbone of the system... Picture adding enough weight to the back that the front tires come off the ground and the tractor TEETER TAUGHTERS on the rear wheels.. This puts a trememdous load on the transmission to torque tube face and attaching bolts... Have been a couple posts about D12 ( slightly smaller) cracking the housing at this point.... Something to watch and consider ... Yes, more weight on the back will help the front steer easier... Just dont start lifting MORE WEIGHT and getting the front end to BOUNCE or lift the tires.
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Like them all, but love the "B"s.
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Eric B
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Posted: 12 Dec 2023 at 3:23pm |
Yes, be mindful how heavy you lift, my D14 with loader has a bend in the front axle... 
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Currently- WD,WC,3WF's,2 D14's B. Previously- I 600,TL745,200,FL9,FR12,H3,816 LBH. Earth has no sorrow that Heaven cannot heal!
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DSeries4
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Posted: 12 Dec 2023 at 4:02pm |
6.5 x 16 is what I run on my 3 D14s. Keep them aired up. Tractor rims are already heavy duty, so they should be alright. One recommendation I must make is to pull the front axle and check the wear on the front axle pivot pins. With that loader and those logs, it can only take so much abuse.
Steve (Ill): The D14 does have frame rails along the side of the engine, so it is not subject to the forces from having weights on the front and back of the tractor.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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orangeman
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Posted: 12 Dec 2023 at 4:45pm |
On the tire recommendation - Steve has it covered - if memory serves Wally world has a similar tire, not sure the ply rating perhaps 6. Keeping tires aired up is a good recommendation. The wider the tire and rim the better the spread of "dead load" being generated in consideration of the weight of the log and the machine and loader boom.
Note : The AC D15 tractor became the basis of engineering design for the I -60 and I-600. The fixed front axles and rims some optioned with 10 x 16 rims and 11L x 16 tires were available when the I-60, I-600 and 615 Industrial tractors were released. Many of these Industrial tractors were equipped with a loader and some form of counter weight, scarifiers and backhoes. It might be useful to google some of those and see what they look like just to get an idea of how AC tackled the evolution of axle, rim, tires when a tractor was used with a loader on it.
~ Orangeman
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Butch1581
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Posted: 12 Dec 2023 at 7:42pm |
Thanks again everyone. I definitely will do some inspecting on the front end next time I am up north near Allis. I know the front end width is adjustable on these tractors. Am I better off having the front set to the widest setting for what we use it for? I am honestly not even sure of the current setting. One of my favorite pics while building our mill shed.
Edited by Butch1581 - 12 Dec 2023 at 7:49pm
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steve(ill)
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Posted: 12 Dec 2023 at 7:51pm |
Wider is probably more stable, but narrow will keep the inner tube better supported by the outer tube so Stronger..... They RUST together after 60 years so might not want to come apart...... I would just leave it where it is and save the headache.
Thats some set of TIRE WEIGHTS you got in the back !!
Edited by steve(ill) - 12 Dec 2023 at 7:54pm
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Like them all, but love the "B"s.
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Butch1581
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Posted: 12 Dec 2023 at 7:53pm |
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I was hoping you would say leave it where its at:)
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Butch1581
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Posted: 12 Dec 2023 at 7:57pm |
Found this. Looks like it is one hole out from the narrowest setting to me. 
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Gary
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Posted: 13 Dec 2023 at 5:49am |
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D-14 came from the Factory with 5.50 X 16" Tires.
Allis offered 2 Optional sizes for the Farm Tractor: 6.00 X 16 and 6.50 X 16.
There is absolutely no risk of breaking the Torque Tube of a D-14 Tractor equipped with an Allis Model 414 Loader.
Allis recommends a Minimum of 32 psi in front Tires when using a 414 loader.
G
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DrAllis
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Posted: 13 Dec 2023 at 6:46am |
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D-14 Industrial front axles had a 1/2" or 3/4" thick 3 inch tall vertical plate attached underneath to prevent bending of the axle tube from heavy overloads. You can be assured even a D-15 ag axle can be bent from a 400 loader. My Dad's had a truss under it after it got tweaked years ago.
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