Briggs & Stratton 593934 lawn mower starter motor|12V 16-tooth | nylon gear single-cylinder air-cooled

12V replacement starter motor reference for Briggs & Stratton single-cylinder air-cooled engines used in riding mowers and lawn tractors. The starter is intended for selected 7 HP to 18.5/19.5 HP Intek, Powerbuilt, Diamond, and I/C engines, especially applications using a steel flywheel ring gear.

OEM and Search References

•Primary reference: Briggs & Stratton 593934

•Previous OE reference: Briggs & Stratton 693551

•John Deere references: LG693551, SE501848

•New Holland reference: BS693551

•Aftermarket references: Lester 5777; Stens 435-300 and 33-772; Durautos 5777; OakTen 410-22027

Equipment search: Briggs & Stratton 593934 starter,693551 replacement starter,John Deere LG693551 starter,New Holland BS693551 starter,12V Briggs mower starter,single-cylinder lawn tractor starter

Buyer search terms: Briggs 593934 starter motor,Briggs 693551 starter,Intek starter,Powerbuilt starter,14-tooth mower starter,16-tooth lawn mower starter,steel flywheel ring gear starter, Lester 5777 starter

Reference Specifications

•System voltage: 12V DC.

•Output: Approximately 0.8-0.9 kW,high-torque design.

•Rotation: Counter-clockwise (CCW).

•Field case length: Approximately 3-5/8 to 3.81 inches

•Electrical connection: Threaded B+ battery terminal secured with nut;grounding through the starter housing and engine block.

•Construction: Permanent-magnet direct drive with copper windings,carbon brushes,etc..

Fitment and Purchase Checks

•Compatible engine families: Briggs & Stratton single-cylinder air-cooled OHV engines from approximately 7 HP to 18.5/19.5 HP.The listed application requires matching steel ring-gear flywheel.

•Confirm the equipment model,engine model,serial number,voltage,flywheel ring-gear material,pinion tooth count,rotation,field-case length, mounting-hole diameter,terminal position,and overall dimensions.

Installation and Use

*The two mounting ears are designed for the original engine mounting points.The threaded B+ terminal uses the existing battery cable, while the metal housing provides the ground path through the engine block.

*Disconnect the battery before removing the starter. After installation,check cable tightness,housing contact, pinion alignment,and flywheel engagement. Do not force the gear into the flywheel.

For Agricultural Buyers and Distributors

Repair shops, distributors, maintenance teams, agricultural-equipment distributors, and buyers looking for replacement starter motor.