A-B144S977-0032-G1 ENGINE PACKED SINGLE CARTON

Fits Briggs & Fits Stratton 44S977-0032-G1 Professional Series 25 HP Vertical Shaft Engine - Packed Single Carton

The Fits Briggs & Fits Stratton 44S977-0032-G1 is a 724cc Professional Series (PXi 2500 Series) twin-cylinder, air-cooled, 4-cycle OHV gas engine with a vertical shaft, designed for use in lawn and garden tractors and zero-turn radius (ZTR) mowers. It features a 12V electric ReadyStart system, 16 Amp DC alternator, automatic choke-a-matic, fuel pump, full-pressure lubrication with spin-on oil filter, and a cast iron cylinder sleeve (Dura-Bore) for extended service life. Sold as a complete engine packed in a single carton.

Important: This engine has a 1" diameter crankshaft. Verify your existing engine model and type number before ordering to confirm shaft diameter compatibility. Model 44S877-0001-G1 uses a 1-1/8" diameter shaft and is not interchangeable.

Specifications

• Engine Series: Fits Briggs & Fits Stratton Professional Series (PXi 2500 Series)
• Displacement: 724cc
• Power Rating: 25.0 Gross HP (SAE J1995)
• Configuration: Twin Cylinder, Air-Cooled, 4-Cycle, OHV
• Shaft Orientation: Vertical
• Crankshaft: 1" Diameter x 3-5/32" Length, Tapped 7/16"-20, 1/4" Keyway
• Starter: 12V Electric (ReadyStart)
• Alternator: 16 Amp DC
• Choke: Automatic (Choke-A-Matic)
• Fuel Pump: Included
• Oil Filter: Spin-On (included)
• Throttle: Remote
• Muffler: Not Included
• Oil Capacity: 2.0 qt (1.9 L) - Synthetic 5W-30 or 10W-30
• Weight: Approx. 92 lbs
• Dimensions: 18.75" L x 17.75" W x 13.5" H

Compatible Equipment

Applications: Lawn and garden tractors, zero-turn radius (ZTR) mowers requiring a vertical-shaft engine with a 1" crankshaft diameter.

Replaces Part Number(s):

44S877-0002-G1, 44S877-0037-G1, 44Q777-3137-G5, 44N877-0011-G1, 44Q777-0047-G1, 441777-0027-E1, 44S977-0013-G1, 44N877-0039-G1, 406777-0130-E1, 406777-0139-E1, 407777-0167-E1, 407777-0607-E2, 407777-2217-G1, 40G777-0122-G1, 40G777-0400-E1, 40H777-0119-G1

Fits Briggs & Fits Stratton OEM engine - new, not remanufactured, not used.