9 0 1977 Chelsea 420 SERIES-PTO PTO for a GMC General Contact for price Chelsea 420 Series PTO w/. Attached Tyrone PM23 Hydraulic Pump. Bottom Mounted, Removed From RTO12513 Transmission. PTO: 6 Hole Mount, Air Shift, .865 Gear Ratio, P/N 420WQAHX-A3XK. Pump:... ConditionUsedFits To Make(s)GMCFits To Model(s)GeneralStock Number1605-8 MLS Number13894126CategoryPower Take Offs (PTO) & Parts Last Updated10/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info