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Type A ATF substitute


You should include what loader you are asking about. Is this the MF200 you have posted about before? Asking about what oil to use will get many different answers. In many applications where Type A ATF was specified for such applications the current recommendation is generally to use UTHF (yellow bucket 303 not included). I use UTHF for hydraulics, rather than stock several different products for hydraulics. That also reduces the chances of getting the wrong fluid in a unit that has wet clutches and/or brakes using internal hydraulics to power attachments and accessories.
 
This is a MF200 loader. I have considered UTHF but read the multigrade is not generally recommended in dedicated hydraulic system.
 
If it's for the transmission you probably want to use ATF. Those have a kind of torque converter drive if I'm not mistaken.

If it's for the loader and/or backhoe any hydraulic fluid will work.
 
Years ago there was a fluid called C2 that we used to replace ATF in heavy duty applications. As I remember C2 came about via Allison transmissions? If you can find C2 it will be a better choice than ATF. I can't say about 46 or other fluids, maybe the Googlers will do that for you, LOL
 
I have been looking for Type A trans fluid for some time. Auto parts stores people just go duh or deer in head lite look or say never heard of it. Want to sell you Dexron 6.
 
The newest is C4 or C6, UTHF will replace those and works in apps calling for type A, the ones you need to watch for are hydrostats that call for engine oil, you cannot swap those, but in a regular gear or piston pump hydraulic system that is just running cylinders steering and brakes the UTHF is just fine
 
(quoted from post at 07:13:46 09/25/23) I have been looking for Type A trans fluid for some time. Auto parts stores people just go duh or deer in head lite look or say never heard of it. Want to sell you Dexron 6.
Click to expand...

That's because it was discontinued about 50 years ago. You can't get actual Type A. One site says it contained whale oil.

Sources say Dextron III is compatible with Type A.
 
BE is correct, the type A contained whale oil (like the JD 303 Special Purpose Oil). Whale oil became unavailable with the Endangered Species Act. There were a few ATFs that were formulated to replace the type A but are not commonly stocked or available anymore. Dextron III is currently a common replacement where ATF is actually needed. DEXRON VI, DEXRON HP and DEXRON ULV are NOT backward compatible with transmission systems that require a Type A ATF.
 
type A is a 20wt mineral oil with a red dye... non detergent and pretty crude. Used by gm and ford in very very early automatic transmissions as a hydraulic fluid. Type F contained whale oil as a vicosity stabilizer and was banned in 1976 on new uses.(international treaty to save the whales) SO.. about any oil you can buy will exceed type A 20 non detergent oil. ONLY cautions are.. that if your application has wet brakes and wet clutches in the system ...... THEN you MUST use a hydraulic oil that limits the anti-friction additives and is certified for that use or your brakes/clutches will chatter or slip. An system that share a common sump with a tractor that has internal brake and clutches must use the tractor rated hydraulic fluid or UTF where a system with its own pump and sump can use about any type of oil made..
 
I have a 100 loader. Same basic design. I have had ISO 32 in mine for two years without issues. I think 46 would be a little to thick below 25 F.
 
The only downside to using UTHF in a simple hydraulic system is cost. Performance wise it contains additives that just arent needed. You can use UTHF for simplicity or choose the appropriate flavor AW hyd oil for the temps you operate in.
 
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