+1 for stripping down and rebuilding the engine. Horizontal Shaft Vertical Shaft All Angle Mount Gear Reduction Shop All Engines Parts. Briggs & Stratton makes powerful, reliable engines behind your trusty push mower. We use the V Twin, overhead valve, Vanguard engines. While we may have sold many engines listed above to be used for a John Deere 316 (Onan) Mower, Lawn and Garden Tractor Category, we are NOT claiming these are exact replacements unless the product notes explicitly say so. 25hp Kawasaki FH Series Engine, Horizontal 1-1/8'x3-15/16' Keyed Shaft, Electric Start, Fuel Pump, Muffler, Fits John Deere 737-757 Ztrak mower In Stock: 92 ADD TO CART OUR POSSIBLE REPLACEMENT ENGINES FOR JOHN DEERE D105 with: BRIGGS & STRATTON 31G777-0171-G5 or 31R977-0001-G1 or 31R977-0034-G1 Our engines on this page have the following similarities. John deere replacement engines Carburetor for John Deere 285 320 345 Kawasaki Fd590v Engine Lawn Mower AM122617 (35) Total Ratings 35.