Protea Protea SI510 9 Blade HC Rubber, 20" (510 mm) Cut, Cylinder Reel Mower Fitted With a Honda 5 hp Engine
Commercial mower · Model BRUSI510 · Commercial-duty · Gas
A$5,099 Protea Australia RRP (inc. GST)
Sold in Australia — listed on bushrangerpe.com.au, checked 20 Oct 2026.
Dealers set the final price; delivery, assembly and any local offer are extra and are not tracked here.
The Protea SI510 9 Blade HC Rubber, 20 in Cut, Cylinder Reel Mower… is a commercial-grade gas commercial mower, built for daily commercial mowing, with a 20-inch deck.
At a glance
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Chosen by stated rules, not opinion: same class, a deck within 8 in of this one, the same kind of power and a compatible duty class, then the closest power, weight and price, with other makers preferred. Figures are the manufacturers’ published ones; nothing is estimated.
Engine
| Power Source | gas |
|---|---|
| Engine Make | Honda |
| Engine Power | 5 hp |
| Fuel Type | Unleaded |
Deck
| Cutting Width | 20 in (508 mm) |
|---|---|
| Max Cut Height | 0.8 in (20 mm) |
| Min Cut Height | 0.2 in (5 mm) |
Commercial / Pro
| Commercial Warranty | 3 months from date of purchase - to the original purchaser only |
|---|
General
| Warranty | 1 yr |
|---|
Similar models
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What the parts on this spec sheet mean
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Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
What the specs work out to
Figures MowerFacts computes from Protea’s own numbers — not published by the manufacturer.
Gate & trailer fit
- 32 in gateFits
- 36 in gateFits
- 48 in gateFits
Needs at least 26 in of clearance (estimated).
Power & run time
- Power per deck inch0.25 hp/in
Fit uses the deck width plus 6 in for the discharge chute, because Protea doesn't publish an overall width — measure before buying if a gate is tight.
Source: Protea (manufacturer) · archived copy