Honda UMK 435 vs Makita EM4351UH: 4-stroke

Fuel mixing is the usual dividing line in petrol brush cutter comparisons, but it doesn’t apply here — both the Honda UMK 435 and the Makita EM4351UH are true 4-stroke machines that run on pure, unmixed petrol. That takes the biggest variable off the table and leaves a more interesting question: given two engines that already solve the mixing problem, what actually separates them? The short answer is displacement, weight and vibration — and the two machines land in noticeably different places on all three.

At a glance

	Honda UMK 435	Makita EM4351UH
Engine	35 cc, 4-stroke (GX35)	43 cc, 4-stroke (MM4)
Power	Not officially quoted	1.5 kW (2.0 hp)
Fuel	Pure petrol, no mixing	Pure petrol, no mixing
Weight	Heavier than 2-stroke rivals, but lighter than the Makita	~8.5 kg
Vibration	Quiet running, not a headline spec	Very low (1.7–2.2 m/s²)
Cutting equipment	Line head + metal blade	Line head + metal blade, U-handle
Approx. price	Higher (≈ €650)	Lower (≈ €430)

Displacement: bigger isn’t automatically better here

The Makita EM4351UH’s 43 cc MM4 engine outguns the Honda UMK 435’s 35 cc GX35 on paper, and that extra displacement does translate into more usable torque for sustained, heavy-duty cutting — it’s why Makita positions the EM4351UH as a professional, all-day tool rather than a domestic one. But the Honda isn’t underpowered for what it’s built to do. The GX35 has plenty of headroom for brambles and woody scrub, just packaged into a smaller, more compact engine block. If your ground genuinely demands maximum cutting force hour after hour, the Makita’s larger capacity is the safer bet. If you want strong 4-stroke performance without the bulk of a professional-class engine, the Honda covers most real gardens comfortably.

Weight and vibration: Makita’s real selling point

This is where the two machines diverge most clearly in intent. The Makita EM4351UH weighs around 8.5 kg and is engineered specifically around minimising vibration, with figures of 1.7–2.2 m/s² that are genuinely low for a petrol machine of this size — a spec that only matters if you’re running the tool for hours at a stretch, which is exactly the use case Makita is targeting with its U-handle, harness-ready design. The Honda UMK 435 doesn’t publish comparable vibration figures and isn’t marketed on comfort in the same way; it runs quietly for a petrol engine, but its selling point is Honda’s small-engine reliability rather than ergonomic refinement. Honda’s own materials describe the UMK 435 as heavier than a 2-stroke equivalent, but in absolute terms it’s still the lighter, more compact machine next to the larger-bodied Makita. Put simply: if all-day comfort and minimal fatigue are the priority, the Makita’s engineering is aimed squarely at that; if you want a smaller, easier-to-store 4-stroke for occasional-to-regular use, the Honda’s more modest footprint is the more manageable machine to live with.

Choose the Honda UMK 435 if…

• You want a compact, reliable 4-stroke without the size and weight of a full professional-class engine
• Honda’s GX-series reputation and dealer support matter to you
• Your ground is demanding but not the kind of daily, all-day professional use the Makita targets
• You’d rather have a smaller machine that’s easier to store and manoeuvre

Choose the Makita EM4351UH if…

• You want the largest engine of the two, with genuine professional-grade torque
• Vibration and comfort over long sessions are a real priority, not an afterthought
• You’re a landscaper or heavy user who runs a brush cutter for hours at a time
• Getting more displacement and a lower published price matters more than brand premium

Which should you buy?

If you need a dependable 4-stroke for a garden or smallholding that occasionally throws up rough patches, but don’t want to manage a heavier, professional-sized machine, the Honda UMK 435 is the easier tool to own day to day — smaller, simpler, and backed by Honda’s reputation for small engines that just start and run. If you’re cutting for hours at a time, on a professional or semi-professional basis, the Makita EM4351UH’s larger 43 cc engine and genuinely low vibration figures make it the more capable and more comfortable machine for sustained work, and it typically costs less to buy despite the bigger spec sheet.

Neither is a wrong choice among 4-stroke petrol brush cutters — they’re aimed at different intensities of use. The Honda suits someone who wants 4-stroke convenience in a smaller, more manageable package; the Makita suits someone who needs professional-grade capacity and all-day comfort and is willing to run a slightly heavier machine to get it. Match the choice to how many hours you’ll actually spend holding it, and the rest of the decision follows.