0 0 2000 Spicer S400S Front Differential for a Mack CH $1,815 USD (USED) Spicer S400S Ratio: 3.73 Side Gear Splines: 41 W/ Locker: NO Cast#: 390CF100 Ref# N/A ConditionUsedFits To Make(s)MackFits To Model(s)CHPart NumberN/AStock Number25858158 MLS Number13793459CategoryDifferentials, Front Last Updated10/22/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info