View 4 Photos View 0 Videos Chelsea 440XSAHX-A6XK PTO for a 2006 Mack MR690S Contact for price (Used) 2006 Allison, PTOs- Make: Chelsea, Model: 440XSAHX-A6XK Part Number: CI-P-497, Trans Model: 4500RDS Reference images for condition For more information about this item, give us a... ConditionUsedFits To Make(s)MackFits To Model(s)MR690SWill Fit Year(s)2006Part NumberCI-P-497Stock NumberP-79059 MLS Number12851586CategoryPower Take Offs (PTO) & Parts Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info