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DeckelHead 
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 Topic: Hydraulic Hoses for ACC40 forklift
Posted: 01 Jul 2025 at 10:20am |
Hi, I was wondering if anyone out there has built a list of all (or partial, for that matter) hydraulic hoses used in the the ACC40 forklift built in 1980. I need to replace mine and the parts manual I have (one of the military copies) is pretty weak. What I'm ideally looking for is the following information:
1. Diameter 2. Length 3. Fitting size and type (JIC, pipe, etc) 4. Location of hose (to keep them straight)
If there is a "favorite source" for hoses where the vendor knows Allis equipment, that would be useful information. Ditto on the hose brands that have the best longevity. In essence, anything you would like to share regarding hoses (or the lift itself!) would be greatly appreciated!
I've also been searching for any manual (service, parts, etc) that is *not* one of the military manuals. I am kind of crippled by what I've got because often the military parts manual has NSN part numbers which don't help at all because they are only vaguely related to Allis part numbers.
Thanks!
Edited by DeckelHead - 01 Jul 2025 at 10:21am
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plummerscarin
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Posted: 01 Jul 2025 at 12:07pm |
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Any hose I need to replace, goes with me to the supplier and he can easily match it up to what I have.
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DeckelHead
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Posted: 01 Jul 2025 at 1:11pm |
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I'm trying to avoid going back and forth, hence the reason I'd like to buy a full set all at once. All of my hoses, frankly, are in pretty bad shape. The metal braid is showing on all of them, so I just want to replace them all.
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DeckelHead
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Posted: 02 Jul 2025 at 12:38pm |
I went through the only source of information I have, which is the fairly widely available US Army parts listing for the ACC40. However, I am not sure how to interpret the part numbers for the hoses. Some seem to have length embedded into the number, while others actually seem to have the hose type. None appear to have the fitting. I'm thinking they may all be JIC, although that is TBD. Any thoughts on this, or any other related topic, are welcomed. Here is the listing I have:
I've accumulated this information.. <OK... that didn't work... Inserting a table really screwed up the formatting of the webpage... second try... I uploaded it as a PDF so that part numbers can be easily clipped>
Edited by DeckelHead - 02 Jul 2025 at 12:51pm
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Ray54
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Posted: 03 Jul 2025 at 11:07am |
Nobody seems to know anything about forklifts.  Other than they are handy, an if you offered they would take yours for cheap. 
Good luck ......................maybe find a mobile mechanic with a hose crimping machine.
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plummerscarin
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Posted: 03 Jul 2025 at 12:17pm |
 Ray54 wrote:
Nobody seems to know anything about forklifts. Other than they are handy, an if you offered they would take yours for cheap.
Good luck ......................maybe find a mobile mechanic with a hose crimping machine. |
I have a friend who’s a forklift mechanic. He won’t touch mine with a ten foot pole
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DeckelHead
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Posted: 03 Jul 2025 at 7:43pm |
I rather like mine... Built like a tank. Not the easiest to work on, I'm finding, but that is mainly because of the age old problem of odd part numbers that nobody can seem to decipher.... I'm curious why your friend, plummerscarin, won't touch yours. It doesn't seem like there is anything to mysterious about them if you have the parts.
Ray54... Yeah, I'm finding that, unfortunately. I have pretty much decided that all of the fittings are JIC though, so that is good. This is part educated guess (by the age and location of manufacture) and part sleuthing (like finding the NSN number for the fittings the hoses screw into, and learning that they are JIC. Getting the diameter of the hose is another matter.... That is driving me nuts. And I do have trepidation about how to change some of the hoses. I don't really know how you access things from underneath. Lifting a forklift is not something I'm very familiar with and I'm very safety conscious.
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Coke-in-MN
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Posted: 04 Jul 2025 at 12:42pm |
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I have just bought adapter fittings and went to hoses found at Fleet Farm and other such suppliers with NPT threads . Ends on most of these hoses have a taper so will fit adapters and swivel couplings to allow easy replacement in the future .
On my FD5 crawler I had new hoses made up in 2 pieces on longer hoses as one point wears quicker than others and in the future only need to replace a short hose at a lower cost .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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DiyDave
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Posted: 04 Jul 2025 at 3:16pm |
Another point for replacing one at a time, you can join the old house to a new one, with a coupler, and use the old hose to pull in the new one, in those hard to get to spaces...
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DeckelHead
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Posted: 04 Jul 2025 at 3:19pm |
Coke and DiY: Both great ideas! I still have an issue with what hose sizes are needed (I'm sure I'm not the first person to want to re-hose an ACC40), but I like the hints and ideas you guys have provided. Thanks for posting....
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plummerscarin
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Posted: 05 Jul 2025 at 5:35pm |
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To elaborate, my friend doesn't work on machines more than 20 years old. As you have discovered, parts are hard to find or no longer available and manuals are sketchy at best. I have an FT20-24. It is likely older than he his and he is retiring this year. Today he saw it for the first time. While he thinks it's cool, he won't work on it because of reasons stated above. He then recounted a story where someone he knows has a White. It needs brakes. Said it would cost $3000 in parts and a master cylinder is not available.
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DeckelHead
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Posted: 05 Jul 2025 at 7:58pm |
Ouch... that would be a death sentence, although it does seem sketchy. Most parts can be adapted. I know that my forklift had a leaking master cylinder and once I figured out the modern equivalent, sourcing a replacement was remarkably easy. In fact, due to some shipping snafus, I now have three of them for the price of one plus shipping on a second (that one was sent because the first one didn't come with the pushrod for some reason... my fault, but the dealer was very nice and understood the confusion so they sent a second for the cost of shipping. That one was lost by UPS so they sent a third. in the meantime, the second one showed up but the dealer didn't want it back).
Back to the topic of hoses... I've pretty well decided that all of the *hydraulic* hoses are JIC female and then they have adapters that I can reuse. The transmission filter/cooler hoses are NPT, but also significantly lower pressure. I actually replaced one of those when I accidentally messed up the hose a few years ago while working on the radiator. I think the easiest way to work on the steering/lift hoses is to actually remove the whole steering wheel and valve assembly, plus the brake/inch/throttle pivot bar, so that is the direction I'm going. I need to find some plugs I can put in there to keep junk from getting into the system. Removing the aforementioned parts should give me pretty clear access to the tilt cylinders and two distribution manifolds (aka tubes with a lot of tees on them). Although I don't look forward to it, I should also be able to get adequate access to the large (3/4" maybe) hydraulic hose for the lift cylinder. "Adequate" means about the best I can hope for.... I'll be contorting all over the place and probably mess up my back as I act like a mole digging to middle Earth, but at least it should be moderately clear.
Edited by DeckelHead - Yesterday at 12:41pm
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Coke-in-MN
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Posted: 22 hours 58 minutes ago at 3:58pm |
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Dang - that means my 1938 Adams 411 road grader can't be used or that my HD5G from 1955 is obsolete and can't move dirt without some intervention from the God of obsolete prayer first . Or my IH 460 utility needs to find a use as a flower pot .
Guess my Fiat Allis FD5 fits into that group also .
Then the 66 White Tandem with a 6-400A engine and 5x4 with 34,000 tandem Rockwell rears cant haul 12 yards of dirt , nor the 76 GMC with RT 613 and 12 yard box falls into same class .
Then as much of the machines as well as tool used to work on them are over 50 years old - Guess I might as well just go ride my 25 Year old Moto Guzzy cycle or take my 68 Norton N15cs 750 cc machine for it's last ride . or the 74 Norton Commando or 75 Commando or the 750 Triumph T140
Just need to get this obsolete 80+ body out to do something before it's also OBSOLETE
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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DeckelHead
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Posted: 22 hours 48 minutes ago at 4:08pm |
LOL.... With all due respect, both our machines are probably going to be ticking longer than you or I will.... There is a difference between people willing to work on them (the machines, not our bodies!) and them failing. Parts are, however, a concern. But as I found with my Allis master brake cylinder, it is actually a widely available product. I just had to do digging as to what an appropriate cross reference was between the OEM/military part number was and a modern equivalent. Once I found that, though, the new cylinder fit perfectly in the spot of the old one.
By the way... kudos to you for being 80+ and participating on the forum(s) still. It is a great way to keep your mind working and your body nimble.
Edited by DeckelHead - 22 hours 47 minutes ago at 4:09pm
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