A question for the guys who DO know their rear end from a hole in the ground Howdy All,
I have a WWII military "Light Duty Warehouse and Airfield Tug" that is based on a Ford Model B engine and transmission but uses a worm-drive rear end and wheels. I know that the Model B didn't have a worm-drive rear end so it's likely an early AA or even a late TT rear end. Can anyone tell me if the first year of the AA used a worm-drive rear end or did it end with the last TT? Thanks, Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground The AA used a worm drive thru 1929.
Bob |
Re: A question for the guys who DO know their rear end from a hole in the ground 2 Attachment(s)
Thanks Bob. I've attached two photos. Can you tell me if this is a TT or AA rear end?
I apologize for the poor quality of the photos but these are all I have in my computer at the moment. Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground 2 Attachment(s)
I can't really tell from the picture.Here are a picture of a AA rear axle
and a drawing of a TT, notice the size difference of the brakes. Bob |
Re: A question for the guys who DO know their rear end from a hole in the ground Hmmmmm,
My tug's rear end has been shortened considerably and has been adapted to purpose-built solid steel rear wheels (which are about 7,854,669,337,925 pounds each) that use pressed-on solid rubber forklift-type tires. I'll have to check to see what size brakes I have. The purpose of my post this morning is to figure out the wheel's bearings which are missing. (The tug was partially disassembled when I got it 15 years ago.) I understand that the bearings are uncaged rollers that fit into replaceable races pressed into the heavy rear wheels. I'm trying to determine if these races are Ford parts or something generic. (And ultimately where to get the parts.) Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground Sounds like once upon a time there were two (2) old guys sitting on a park bench.
The guy on the right says, "We are the only two (2) guys in the entire World who DO know their rear ends from a hole in the ground." Then, complete silence. Ten minutes later ,,,,, the guy on the right adds, "And sometimes I have doubts about you!" |
Re: A question for the guys who DO know their rear end from a hole in the ground 2 Attachment(s)
BTW, this is what I've got...
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Re: A question for the guys who DO know their rear end from a hole in the ground 1 Attachment(s)
Forgot to include this...
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Re: A question for the guys who DO know their rear end from a hole in the ground With that worm drive and those tiny wheels, that tug should be able to pull the hangar too ! :eek:
:cool: |
Re: A question for the guys who DO know their rear end from a hole in the ground Quote:
Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground Aren't the worm drives generally Timken equipped bearings?
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Re: A question for the guys who DO know their rear end from a hole in the ground Quote:
Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground 1 Attachment(s)
This is a AA rear wheel bearing.
Bob |
Re: A question for the guys who DO know their rear end from a hole in the ground 1 Attachment(s)
Here is a picture of the rest of the bearings.
Bob |
Re: A question for the guys who DO know their rear end from a hole in the ground Here are the dimensions of the outer wheel bearing races (more like sleeves) that are pressed into the tug's wheels:
4.25" OD 3.875" ID 2.75 Long It's highly unlikely that Superior Grinding Co (the tug's manufacturer) would go to the trouble and expense of having special wheel bearings made so I'm betting that they're either Ford bearings, or common, off-the-shelf bearings. Do you know if they're Ford AA wheel bearings and, if so, what their part numbers are? Thanks, Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground I THINK that these are the parts I need:
Outer Race (Sleeve): AA1236-C Bearings: AA1225-B (rumored to be superseded by BB1225-A) Anybody know who might have these in stock? Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground Those numbers are for bevel gear rear axles that came out in 1930.
Worm part numbers are AA-1236-BR and AA-1225-BR Bob |
Re: A question for the guys who DO know their rear end from a hole in the ground Thanks Bob. Do you know who might stock them?
Harvey |
Re: A question for the guys who DO know their rear end from a hole in the ground I think they are going to be a little difficult to come by. I would start
with Bert's http://modelastore.com/ or Little Dearborn, you could also ask on the AA board http://forums.aa-fords.com/index.php Bob |
Re: A question for the guys who DO know their rear end from a hole in the ground Good Luck. Berts didnt have any nor little dearborn when I was looking for some for my 29 worm AA... Ended up trading a well used high speed worm and gear for a very nice set. I do have a set - not the greatest but might be useful in something that only goes 0.5 mph...I will have to snag pics soon.
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