1991 Allison HT-747 Transmission service question...:
Cat dealer in Portland, OR told me today (Petersen CAT) that a FULL SERVICE on my transmission unit (Allison 4-speed HT-747) would cost upwards of $500. This would include the very premium Allison fully synthetic fluid, one 'interior' transmission filter and one 'exterior' transmission filter. Since i have had the coach i have just been replacing the exterior filter and doing samples which check out fine. The coach currently has 92k miles. Allison recommends only changing the 'interior' filter once every 100k miles. Coach is 20 years old. This coach is not towing toads and used for LIGHT DUTY only. Thoughts?
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fkloster = Fritz, Erin, Sadie, Bo (& Lucy the Weim)
1991 Beaver Marquis 40' (1,225 ft. lbs. torque)
2011 JGC Overland Summit Toad / U.S Gear Brake
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