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Honda GX690 Pressure Unit | 31 LPM @ 4000PSI Honda GX 690 PMG
Place Order Before 2pm AEST For Same Day Dispatch.
Pickup available at SOFTWASH AUSTRALIA 2023
Usually ready in 24 hours

Honda GX690 Pressure Unit | 31 LPM @ 4000PSI Honda GX 690 PMG
SOFTWASH AUSTRALIA 2023
691 Pine Ridge Road
Biggera Waters QLD 4216
Australia
Powered by a 27HP Honda GX690 V-Twin engine, this Canadian-manufactured belt-drive skid unit pushes 31 L/min at 4000 PSI. Built for high-volume commercial cleaning and softwashing, it features an industrial General triplex plunger pump, belt reduction drive for low operating RPM, external unloader valve, and key electric start on a powder-coated steel skid plate.
Features
- Powerful Honda V-twin engine delivers the best performance in its class.
- This BE branded professional machine is Manufactured in Canada.
- Electric start engine allows for easy starts. The unit can be wired to the truck or to a battery (sold separately)
- Belt drive system provides the longest pump life possible by lowering its heat, vibration and RPM.
- Industrial grade General triplex pump features a reinforced body, forged brass manifold, solid ceramic plungers, stainless steel check valves and thermal release valve.
- External unloader provides enhanced cooling and can be set to dump-to-ground bypass water to maximize the cooling system.
- Mounted on a powder coated steel plate with anti-vibration pads that bolts through to mount on a truck or trailer.
Specifications
- Pressure: 4,000 PSI
- Flow: 31 L/mi
- Engine: Honda 27 hp GX690
- Pump: General (Interpump)
- Unloader: External
- Drive: Belt Drive
- Weight: 83.9 kg
- Dimensions: 81.3 cm x W 63.5 cm x H 68.6 cm
Frequently Asked Questions
What are the benefits of a belt-drive system on the Honda GX690 unit?
The belt-drive system reduces the operating RPM of the General pump compared to the engine, which drastically lowers heat and vibration. This significantly extends the life of internal seals, packings, and bearings.
Does this pressure unit come with a battery?
The unit features an electric start engine with starter wiring ready to connect to a truck system or an external battery (battery sold separately).
Can I run two spray guns at the same time on this machine?
Yes. With a high water flow rate of 31 L/min at 4000 PSI, this unit provides enough volume to split lines and efficiently power dual operator setups or large surface cleaners.
How does the external unloader system help protect the pump?
The external unloader diverts pressurized water flow when the gun trigger is released. It can be plumbed back to a buffer tank or set to dump-to-ground bypass, preventing thermal buildup inside the pump head.
If your order is placed before 2:00pm, we will try to post same day.
We use a range of couriers to provide you with the best possible freight pricing.
If your order does not ship immediately, we are likely waiting on a courier update. Please refer to your account for updates or contact us to find out more.
We are happy to work with you if you need a return. Please contact us to discuss.

Contact Us
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