Description
When your mower’s heart gives out, drop in the KingTech 18HP Vertical Shaft Engine and bring it back to life. This 550cc 4-stroke OHV petrol motor packs serious grunt with smooth, dependable power that gets the job done every time. Built for ride-on mowers, this motor slots in where most Briggs & Stratton or Honda mounts sit — no fuss, just fit and fire. Designed for Aussie yards and conditions, it’s got the torque to cut thick grass and the reliability to run season after season. If you want a straight-talking upgrade that just works, KingTech’s got your back.
Key Features
- 18 Horsepower output delivers strong, steady performance for ride-on mowers.
- 550 cc 4-stroke OHV engine for efficient combustion and low fuel burn.
- Vertical shaft design ideal for mower decks and garden tractors.
- Electric start system with electronic ignition for quick, reliable starts.
- Cast-iron cylinder bore adds durability and long engine life.
- 1” (25.4 mm) output shaft with keyway for secure PTO connection.
- 8.7:1 compression ratio for balanced power and smooth operation.
- Mechanical governor maintains consistent engine speed under load.
- Transistorized magneto ignition for clean, spark-steady performance.
- Universal bolt pattern fits many Briggs & Stratton or Honda setups.
- Low-vibration balance reduces wear on mower frames and belts.
- 12-month manufacturer warranty backed by KingTech reliability.
Specifications
| Engine type | 4-stroke, single-cylinder OHV petrol engine |
| Displacement | 550 cc |
| Bore × Stroke | 94.5 mm × 78 mm |
| Compression ratio | 8.7 : 1 |
| Rated output | 13.2 kW @ 3600 rpm (18 HP) |
| Max torque | 39.5 Nm @ 2500 rpm |
| Shaft type | Vertical, 25.4 mm (1”) keyway |
| Rotation | Counter-clockwise (PTO view) |
| Starting system | Electric start |
| Ignition | Transistorized magneto |
| Governor system | Centrifugal mechanical |
| Oil capacity | 1.5 L |
| Weight | Approx. 41 kg (packaged) |
Why Choose KingTech
The KingTech 18HP Vertical Shaft Engine isn’t a gimmick — it’s a proper workhorse built for real-world mowing. From weekend yard warriors to small-block operators, this motor drops in easy and runs hard without fuss. The OHV design keeps fuel use low and torque high, while the cast-iron bore handles heat and stress like a champ. Whether you’re replacing a tired Briggs or reviving an old Honda setup, KingTech’s direct-fit layout saves you time and tools. It’s tough, straightforward, and backed by a 12-month warranty — exactly what you’d expect from a brand that builds for Aussie conditions. Power your mower with confidence.
Precision. Power. KingTech.
Frequently Asked Questions
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