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18HP Vertical Shaft Lawn Mower Engine Petrol Motor 4 Stroke OHV Ride On
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Shipped from Melbourne | Fast Shipping
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 and 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 and Stratton or Honda setups.
- Low-vibration balance reduces wear on mower frames and belts.
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 | 41 kg |
Installation Bolt Details
• Mounting interface includes 3 through holes of Ø 8.8 mm and 1 blind hole of Ø 8.8 mm for secure attachment.
• Bolts for the solenoid valve are not required for installation.
*For returns due to change of mind, a 20% restocking fee will be applied.
*Original freight cost will not be refunded where freight costs were listed separately.
| Weight (kg) | 42.000000 |
|---|---|
| Height (cm) | 53 |
| Width (cm) | 52.5 |
| Length (cm) | 56 |
| Colour | Black |
| Brand | King Tech |
| EAN | 0647489157643 |
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Fast Dispatch
Australian Shipping & Delivery
Orders are dispatched within 24–48 business hours directly from our Melbourne & Sydney warehouses. Orders placed before 8:00 AM AEST on business days commence processing the same day.
| Destination (AU) | Est. Transit Time |
|---|---|
| VIC Metro & Regional | 1 – 3 Business Days |
| NSW, ACT, SA | 2 – 4 Business Days |
| QLD & TAS | 3 – 5 Business Days |
| WA & NT | 5 – 7 Business Days |
* Regional and remote locations may take an additional 1–2 days. Australia Post & courier tracking notifications are emailed upon dispatch.
30-Day Guarantee
Returns & ACL Warranty
We offer a 30-Day Peace of Mind Return Policy for items in brand-new, unopened, and original packaging.
- Australian Consumer Law Covered: Full entitlement to repair, replacement, or refund for major faults or transit issues.
- Transit & Damage Claims: Must be reported within 7 days of delivery with photos of the box and product.
- Dedicated AU Support: Fast local resolution by our Australian support team.
Need assistance? Call our Australian support line at (03) 4320 0656 or email support@amdm.com.au.