how about this,
how about this for grabs $299 aus dollars
Features Specifications: Petrol Garden Sprayer With 50M Japanese Hose BN
This new model has a monster engine (4-stroke, 2HP, 163cc) and is only 25kg (this is the most efficient garden sprayer ever!). This garden sprayer is complete and comes with a 50M high pressure hose (Japanese Technology). Also comes with all neccessary attachments and accessories (pls check pic's below). Unlike most other garden sprayers! This does not need a tank to be filled and refilled and carried/pushed around your garden/farm. This machine will save you hours of hard work by connecting one end of the suction hose to a water source such as a rain water tank, river/creek etc... And the other end connects to the machine. You have a 50M high pressure hose to work around your farm/garden. The spraying gun has a three noozle head for a finer mist.
This is a monster machine it has a much larger engine compared to most other eBay sellers and has a variable spraying capacity of 14-22L/Min (about Three times more spraying capacity than most other garden sprayers on eBay at just 8L/Min)