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Differential oil capacity’s
OK I give up:
Searched the form and found a lot of info ref differentials. Looked through my service manuals and found plenty of info too, BUT nothing on the oil capacity of the diff for an oil change. Diff service manual notes about a dozen different models ranging from 2.5 Gal to over 6 gal cap. Can’t find any documentation on what specific differential I have in my coach, let alone a oil capacity amount.
Any input is appreciated.
Chuck
2000 Featherlite H3-45
2024 Jeep Grand Cherokee
Leesburg, FL -
13 Replies
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My 92 takes almost 6 gallons. that includes the hubs.
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My 95 Chassis/96 Liberty XL takes 4.5 gallons. I’ve changed it twice over the years.
Here’s a PC thread I did last Nov when I changed it last:
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From Prevost H3-45 owner’s Manual
Alex
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*CORRECTED*
My Prevost mx manual, Sec.11, p. 11-11, states “diff holds 41 pints”.
When I change mine it takes 4.5 gals (36 pints) because I don’t drain the hubs.
Your results may vary?
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Chuck, you can’t overfill it if you pop out the top fitting. Fill it up to level with the bottom of the hole, take it for a drive then check the level and top off as needed. Mine took a couple attempts to get it right. I actually filled the last 2 attempts right into the hubs. My axles have a pipe threaded fitting for this purpose.
2000 Featherlite H3-45
2024 Jeep Grand Cherokee
Leesburg, FL -
Drained and refilled today. 19 quarts, haven’t taken it for a drive yet. Would guess it going to take a little more once driven.
Chuck
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Rear diff can be over or under filled if the axle housing is not level when filling.
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Good Point Don, I would hope folks know that the bus needs to be sitting on level ground. That pretty much goes for all the fluids.
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Good input Don. I had coach up on ramps,front and back so it was level.
Chuck
1984 96" with 8V92TA
(remodeled Liberty Coach)
Greenwood, MO -
Err, there are 8 pints to a gallon. 18 pints would be 2 gallons and a quart.
4.5 gallons would be 36 pints?
Do you mean quarts instead of pints? 18 quarts would be 4.5 gallons?
My Prevost mx manual, Sec.11, p. 11-11, states “diff holds 21 pints”.
When I change mine it takes 4.5 gals (18 pints) because I don’t drain the hubs.
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OOOOOPS, Good catch Mikee:Somehow (age?) I got confused when putting my post together. I’ll correct my original.
The mx manual states “41 pints”. My diff holds 4.5 gals = 36 pints (not 18) without draining the hubs.My drive axle hubs don’t have a drain/fill plug in them. I wish they did.Clint & Tammy Summers
2000 XL 45 Country Coach (rivets)
1977 FC31 Bluebird Wanderlodge (more rivets)
Vonore TN -
Mine was 19 of these. Probably 18.5 I spilled some while filling.
Chuck -
Nice floor!
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