Australia Wide Delivery     03 9376 4333


Raising the bar. On everything.

Honda V-twin Engines offer high horsepower, great adaptability, quiet operation and excellent fuel efficency. Not to mention a 3-Year Warranty. The Fuel Economy on the Honda GX630 is similar to fuel injection, with the simplicity of carburetion. Digital CDI Ignition System with variable timing, including a rev-limiter to protect against damage to the engine from over-revving. The GX630 has exceptional cooling capacity with a super quiet 36 blade cooling fan. A high capacity oil pump facilitates consistent oil delivery, along with an oil alert to ensure your engine never runs out of oil. The Honda V Twin range comes with an hour meter, and conveniently located controls. Common Applications for the GX630 are: Pressure Washers, Commercial Garden Equipment, Generators, Construstion/Industrial Equipment, Water Pumps & much more. 

**Engine does not come with a Muffler, CLICK HERE to choose a Muffler.**


Engine Type: Air Cooled 4-Stroke OHV

Bore x Stroke: 78 x 72 mm

Displacement: 688 cm3

Net Power Output: 21.1 hp (15.5 kW) @ 3,600 rpm

Net Torque: 35.6 lb-ft (48.3 Nm( @ 2,500 rpm

PTO Shaft Rotation: Counterclockwise (from PTO shaft side)

Compression Ratio: 9.3:1

Carburetor: Horizontal type, two barrel butterfly valve, internal vent

Ignition System: Digital CDI with variable ignition timing

Starting System: Electric

Lubrication System: Forced Lubrication

Governor System: Mechanical

Air Cleaner: Dual Element

Oil Capacity: 2.0L

Dry Weight: 44 KG



Melbourne Power Equipment endeavours to dispatch your order as soon as possible, however this may take up to 2 business days.  

Our freight suppliers will deliver to a business or residential address, to a ground floor only.

Deliveries will be Monday to Friday 8:30am to 5:00pm.  Deliveries are not available after business hours, weekends or public holidays.

Please be home on the day your order is due to be delivered. If you are not at the delivery address on the day due for delivery, you will be notified that a delivery has been attempted, and you will have the choice to pick up from the freight depot, or a re-delivery can be arranged for an extra cost. Melbourne Power Equipment is not liable for any cost relating to re-delivery as a result of the recipient not being at the delivery address on the delivery due date.

Our freight suppliers do not deliver to PO Box addresses.

Estimated delivery times once Despatched:

1-2 Days          VIC

2-3 Days          NSW, ACT & SA

3-5 Days          QLD & TAS

5-7 Days          WA

7-10 Days        NT

Please allow more time for orders sent to remote areas, or large items being sent out.

If your order has not been received in the specified time, please contact us on either [email protected] or 03 9376 4333.

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Honda GX630 21.1HP Petrol V Twin Engine

  • Product Code: GX630
  • Availability: Out Of Stock
  • RRP  $2,980.00
  • $2,580.00

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Tags: GX630, Honda Engine