Model 9160-04-01 · 208cc Briggs & Stratton XR 6.5 · 1,700 CFM · 190 MPH · 108 lbs · ~$1,100–$1,400
How we calculated 8.8/10: We weighted commercial user feedback at 35%, dealer consensus at 25%, expert/retailer recommendations at 25%, and manufacturer warranty confidence at 15%. The 8.8 reflects best-in-class airflow, split-stream technology, and 5-year warranty — held back by heavier weight, pneumatic tires, and higher price point.
1,700 CFM — 56% more than C5/F601V — Crosses into prosumer territory with genuinely transformative pile-moving capability. Handles large leaf windrows that overwhelm residential machines.
Split-stream air deflector — Creates two simultaneous airstreams: one dislodges leaves from the ground, another pushes the pile forward. Dramatically reduces blowback on large windrows.
Square, low-to-ground discharge chute — Up to 38% more surface force than round chute designs. Keeps airflow close to the ground for maximum sweeping efficiency.
17" all-steel 7-blade impeller — Continuously welded, virtually indestructible. Built for years of commercial abuse without blade fatigue or failure.
Industry-leading 5-year machine warranty — The most generous warranty in the walk-behind category. Reflects Little Wonder's confidence in the all-steel construction.
Remote discharge chute control from handle — Adjust deflection height on the fly without stopping. Controls the split-stream behavior for different leaf conditions.
108 lbs — all-steel weight penalty — Heavier than both the C5 (102 lbs) and F601V (76 lbs). Steel construction means more pushing effort, especially on soft ground.
190 MPH air speed — lower than C5/F601V — Optimax prioritizes volume (CFM) over velocity (MPH). Less effective at dislodging matted leaves than higher-speed competitors.
Pneumatic tires require maintenance — 10" tubes require air pressure monitoring and can puncture. Unlike flat-free tires on the C5 and F601V.
Fixed front caster — swivel kit extra — Optional swivel wheel kit ($80–$120) required for tight turning on hard surfaces. Most commercial users consider it a must-buy accessory.
Not self-propelled at 6.5 HP — Self-propelled Optimax starts at 9 HP (Honda GX270). If your property has hills, you'll need to step up or push harder.
$1,100–$1,400 — significant price premium — Nearly double the C5 and 40%+ more than the F601V. May not be justified for purely residential use under 1 acre.
The Optimax 6.5 HP is available with three engine options: Briggs & Stratton XR 6.5 (208cc, model 9160-04-01), Kohler SH265 (model 9160-06-01), and Honda GC160 (160cc, model 9160-02-01). The Briggs and Kohler versions both produce 1,700 CFM at 190 MPH. The Honda variant is less powerful at 1,397 CFM / 153 MPH.
We recommend the Briggs XR 6.5 or Kohler variants for the full Optimax airflow experience. All engines carry separate 3-year manufacturer warranties on top of the 5-year machine warranty.
The Optimax is fundamentally different from the C5 and F601V. Instead of a composite impeller in a round housing, it uses a 17" steel 7-blade impeller inside a scrolled steel housing feeding into a square, low-mounted discharge chute. This produces 38% more surface force than round-chute competitors at equivalent CFM.
The signature feature is the split-stream air deflector. Traditional blowers send a single airstream that blasts leaves up and back when hitting large piles. The Optimax splits output into two streams: a lower one dislodges leaves from the ground, an upper one pushes loosened material forward. The result is dramatically faster pile management with minimal blowback.
The scrolled housing also self-clears: if leaves are sucked into the curved intake, aerodynamic design channels them through without blocking the impeller.
Remote discharge chute control operated from the handle adjusts deflection height on the fly — controlling split-stream behavior. Aim low for maximum dislodging power, high to push lighter material farther, or balanced for general cleanup.
The Optimax also features an integrated front/side discharge option — expel air from front or side without tools. Valuable when working along fences, walls, and property boundaries. The handle is height-adjustable with anti-vibration foam padding.
Built to commercial standards with continuously welded all-steel construction. The 17" impeller has 7 reverse-angle blades at 2.75" depth, designed to resist damage from rocks, sticks, and debris. This is a meaningful durability advantage over composite impellers.
Three 10" heavy-duty pneumatic tires with tubes offer better cushioning over rough terrain than flat-free alternatives, but require air pressure monitoring. An optional swivel wheel kit replaces the fixed front caster for dramatically improved turning. Transport bracket allows secure ratchet-strap tie-downs for trailer transport.
The Optimax 6.5 HP sits in the prosumer/light-commercial sweet spot. At 1,700 CFM it handles 1–5+ acre properties with heavy leaf fall, parking lot cleanup, sealcoat surface preparation, and standing water removal. The split-stream deflector is particularly effective for large windrow management.
Above it: the 9 HP Honda GX270 model (2,260 CFM) and 13 HP Honda GX390 model (2,530 CFM) — both also available self-propelled. For homeowners under 1 acre, the F601V or C5 is more cost-effective.
The Little Wonder Optimax 6.5 HP is the best mid-range walk-behind blower for properties and workloads that have outgrown residential machines. The 1,700 CFM output, split-stream deflector, and all-steel construction deliver a genuine step up in performance and durability. The 5-year machine warranty is industry-leading. The trade-offs are real — heavier steel, pneumatic tires, fixed front caster — but for prosumers and light-commercial users, the Optimax 6.5 HP hits a sweet spot no competitor matches at this price.