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Allison transmission fluid and filter change
Does Anyone know how much fluid an Allison transmission will hold on refill when changing fluid and filters with 2 inch sump. Thanks Jim
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6 Replies
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Approximately 31 qts for fluid and filters change.
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Thank you
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Last time I changed transmission fluid and filters it took 7 gallons of Transynd to refill.
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Last time for me was 7 gallons also. Not sure of my sump size (I think it’s the small one), but I have retarder.
Which brings up an interesting question…sorry for the slight thread creep. I believe there is a higher capacity sump which, in theory, would lengthen the needed interval for fluid change and potentially keep fluid temps cooler and/or more uniform during retarder operation. Does anyone know what’s involved in changing to the larger sump?
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Larger … as in lower to the road surface!
1999 XLV X-6872, liberty #440 -
good point, but I think there’s a crossmember directly in front of the pan which may offer some protection.
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