{"product_id":"a-b144s9770032g1-ai-model-44-ztr-repower-25hp","title":"A-B144S9770032G1-AI MODEL 44 ZTR REPOWER- 25HP","description":"\u003ch3\u003eOne Fits Briggs \u0026amp; Fits Stratton 44S977-0032-G1 Professional Series 25 HP Replacement Engine for ZTR and Lawn\/Garden Tractors\u003c\/h3\u003e\u003cp\u003eThis is a complete Fits Briggs \u0026amp; Fits Stratton (B\u0026amp;S) Professional Series replacement engine designed for zero-turn riding (ZTR) mowers and lawn\/garden tractors. The 44S977-0032-G1 is a twin-cylinder, air-cooled, 4-cycle OHV engine with a vertical shaft, packed single carton. It supersedes several earlier Vanguard and Intek series engine numbers listed below. Note: this engine has a 1\" diameter crankshaft - verify your existing engine shaft diameter before ordering (some models use a 1-1\/8\" shaft).\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e  \u003cli\u003eEngine Series: Fits Briggs \u0026amp; Fits Stratton Professional Series (PXi 2500 Series)\u003c\/li\u003e  \u003cli\u003eDisplacement: 724cc\u003c\/li\u003e  \u003cli\u003ePower Rating: 25 Gross HP\u003c\/li\u003e  \u003cli\u003eCylinders: 2 (Twin Cylinder)\u003c\/li\u003e  \u003cli\u003eValve Type: Overhead Valve (OHV)\u003c\/li\u003e  \u003cli\u003eShaft Orientation: Vertical\u003c\/li\u003e  \u003cli\u003eCrankshaft: 1\" Diameter x 3-5\/32\" Length, Tapped 7\/16\"-20, 1\/4\" Keyway\u003c\/li\u003e  \u003cli\u003eCooling: Air-Cooled\u003c\/li\u003e  \u003cli\u003eStarter: 12V Electric Start (ReadyStart)\u003c\/li\u003e  \u003cli\u003eAlternator: 16 Amp DC\u003c\/li\u003e  \u003cli\u003eCylinder Bore: Cast Iron Sleeve (Dura-Bore)\u003c\/li\u003e  \u003cli\u003eAir Filtration: Dual Clean Premium System\u003c\/li\u003e  \u003cli\u003eFuel Pump: Included\u003c\/li\u003e  \u003cli\u003eOil Filter: Included\u003c\/li\u003e  \u003cli\u003eOil Capacity: 2.0 qt (1.9 L)\u003c\/li\u003e  \u003cli\u003eDry Weight: Approx. 90-92 lbs\u003c\/li\u003e  \u003cli\u003eMuffler: Not Included\u003c\/li\u003e  \u003cli\u003eThrottle: Remote Control\u003c\/li\u003e  \u003cli\u003eChoke: Automatic (Choke-A-Matic)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\u003cp\u003eThis engine is designed for use on zero-turn riding (ZTR) mowers and lawn\/garden tractors. Compatible equipment brands include Ariens, Fits Craftsman, Fits Husqvarna, Fits Poulan Pro, Simplicity, Fits Cub Cadet, MTD, Fits Exmark, Fits Toro, and Fits John Deere machines originally equipped with a Fits Briggs \u0026amp; Fits Stratton twin-cylinder vertical-shaft engine. Verify your equipment's original engine model and crankshaft diameter before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e44S877-0002-G1, 44S877-0037-G1, 44Q777-3137-G5, 44N877-0011-G1, 44N877-0039-G1, 44Q777-0047-G1, 441777-0027-E1, 44S977-0013-G1, 44S877-0002, 445577-3037, 445577-0027, 44L777-0027, 44L777-0037, 44L777-3137, 44L777-0137, 445577-0037, 446777-0127, 44P777-0027, 44Q777-0127, 44Q777-0137, 445777-0027, 44Q777-3137, 406777-0130-E1, 406777-0139-E1, 407777-0167-E1, 407777-0607-E2, 407777-2217-G1, 40G777-0122-G1, 40G777-0400-E1, 40H777-0119-G1, 40H777-0242-E1, 40U877-0012-G1, 441577-0113-E1\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":41891646767187,"sku":"A-B144S9770032G1-AI","price":1329.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_51ba823c-4bba-4ed5-9ee0-c79487e6e01c.jpg?v=1757741530","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-b144s9770032g1-ai-model-44-ztr-repower-25hp","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}