Grin HM46A 46 cm lawnmower - Honda engine - self-propelled
🚚Delivery 3/5 days
( 1.241,59 € NET - VAT excluded )
6-month money-back guarantee
Fast customer support
UK: 3–5 days
Europe: 3–5 days
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Often bought together
We've been Grin dealers for over 15 years and know this type of machine very well: that's why we'll help you understand if it's really the right choice for your garden.
Grin HM46A self-propelled lawnmower with Honda engine
46 cm cutting without collection with traction and Honda engine - ideal for those who want more comfort, more reliability and zero waste of time
This is one of the most complete versions of the Grin HM46 range: it combines the Grin collection-free system with the convenience of traction and the quality of the Honda engine, for better work and fewer worries.
- ✔️ Grin system without collection: cuts, shreds and leaves the grass on the lawn as a natural fertilizer
- ✔️ Automatic traction: the machine moves forward by itself and greatly reduces fatigue during work
- ✔️ Honda GCV170 engine: smoother, more reliable and designed to last over time even with frequent use
- ✔️ 46 cm cutting width: ideal for gardens up to approximately 1000 m2
If you want the most out of the Grin system, this is one of the most interesting versions you can choose: you don't collect the grass, you work with less effort thanks to the traction and, what's more, you have all the reliability of the Honda engine.
👉 Avoid it only if you prefer to collect the grass or if the lawn is very tall and neglected: the Grin system works best with regular cuts.
Is this the right lawnmower for you?
✔️ Yes if:
- 🔸Do you want to completely eliminate grass collection?
- 🔸Are you looking for more comfort than a push model?
- 🔸Do you want a reliable machine for frequent use?
- 🔸Do you have a medium or medium-large sized garden?
❌ No if:
- 🔸Do you prefer to collect the grass in the basket?
- 🔸The lawn is often very tall or poorly maintained
- 🔸Are you looking for an economical car or one for occasional use?
Grin HM46A lawnmower with Honda engine: maximum comfort, zero collection and superior performance
The Grin HM46A lawnmower with Honda engine represents the most advanced version of the HM46 range: it maintains all the advantages of the patented Grin system , adding the traction and reliability of the Honda engine .
Thanks to the Grin system, this lawnmower finely shreds the grass and leaves it on the lawn , turning it into a natural fertilizer. There's no need to collect or dispose of it: just cut it and you're done .
Compared to the basic models, here you have an extra advantage: the machine moves forward on its own and the Honda engine guarantees smoother and more consistent performance over time , even with frequent use.
Who is this lawnmower suitable for?
- Medium or medium-large sized gardens (up to approximately 1000 m2)
- Who wants to completely eliminate grass collection
- Those seeking comfort and superior performance
- Those who use the lawnmower frequently and want reliability over time
Why choose Grin HM46A Honda engine?
Grin System: no collection, maximum time savings
Cuts, shreds, and fertilizes your lawn in a single pass. No bags to empty, no interruptions to your work.
Traction: less fatigue during work
The machine moves forward by itself: you just have to drive it, working more smoothly and effortlessly.
Honda GCV170 Engine: Superior Reliability and Performance
Longer lifespan, less vibration, and smoother operation even on the toughest grass. Ideal for those looking for a machine that will last for years.
46cm cut: balance between speed and precision
Perfect for working quickly while maintaining control and maneuverability even in spaces that are not perfectly open.
When it's NOT the right choice
- If you want to collect the grass in the basket
- If the lawn is very tall or poorly maintained
- If you are looking for an economical machine or for occasional use
The Grin system works best with regular cuts : it is designed to maintain the lawn over time, not to recover tall or neglected grass.
Grin HM46A B&S vs. HM46A Honda: Which One Should You Choose?
| Characteristic | HM46A Briggs & Stratton | HM46A Honda |
|---|---|---|
| Motor | Briggs & Stratton 675 EXi | Honda GCV170 |
| Performance | Good | More constant and fluid |
| Durability over time | Excellent | Superior |
| Comfort | High | Even more fluid and regular |
| Ideal for | Frequent home use | Frequent or intensive use |
| Price | More accessible | Higher |
👉 Bottom line: Choose the Grin HM46A Briggs & Stratton 46 cm self-propelled lawnmower if you want a good balance between price and performance. Choose the Grin HM46A Honda-engined 46 cm self-propelled lawnmower if you want the ultimate in reliability, durability, and long-lasting performance.
If you are looking for an even more robust machine designed for more intensive use, you can also consider the Grin PM46A 46 cm self-propelled lawnmower .
✔ More robust structure and professional components
✔ Greater resistance over time even with intensive use
✔ Ideal for those who want an even more solid and long-lasting machine
👉 It's the right choice if you want a higher level than the HM series.
Perfect for those looking for a Honda-engined grass-catcher-less lawnmower for frequent use.
Nicolò 's usage tips and suggestions
I'll give you some very practical advice about this model. When you switch to a Honda-powered car, the difference is especially noticeable over time. And that's precisely where the Grin HM46A Honda makes the difference.
The real difference compared to the standard version
You always have the traction that avoids fatigue, but in addition the Honda engine is smoother, more regular and more consistent . This is especially appreciated after several uses.
The sensations in real use
- More immediate and smooth start-up
- Less vibration while working
- Consistent performance even on the most challenging grass
- Greater overall comfort
When I really recommend it
- if you use the lawnmower often
- if you want a machine that lasts over time
- if you are looking for maximum comfort while working
- if you have slightly more challenging surfaces
An aspect that many underestimate
You don't just feel the difference of the Honda engine on the first day, but above all after months or years of use: it maintains more consistent performance over time .
Pre-shipment inspection
The lawnmower is checked and tested before shipping, so you receive a ready-to-use and already verified machine.
My final advice
If you want the most out of the Grin system and are looking for a reliable, comfortable and long-lasting machine, the Grin HM46A with Honda engine is a truly complete choice.
WARRANTY EXTENSION UP TO 3 YEARS FOR PRIVATE INDIVIDUALS AND UP TO 2 YEARS FOR VAT REGISTRANTS:

To extend your GRIN warranty for an additional year, simply click on this link:
ACTIVATE 3-YEAR SUPPLEMENTARY WARRANTY and complete the area with the requested data.
A very simple operation, which doesn't even take 5 minutes, but allows you to guarantee your car for an additional year, without having to pay anything.
Questions & Answers about the GRIN HM46A self-propelled lawnmower with Honda engine.
Why choose the Grin HM46A with Honda engine instead of the classic Briggs & Stratton?
The Honda GCVx170 engine is considered the benchmark for high-end lawnmowers. Compared to standard engines, it offers higher torque (greater cutting power), lower fuel consumption, and a quieter, more pleasant noise level. Choosing the Honda version means choosing maximum longevity and a much higher resale value.
Is it true that the Honda engine starts easier?
Absolutely. Thanks to Honda's Auto Choke system, you don't have to fiddle with levers or push rubber bulbs. Honda's technology is renowned for its first-pull starting with minimal pull on the cord, making the Grin HM46A perfect for those who aren't very physically strong or want a stress-free experience.
How does the Honda engine affect the quality of the Grin cut?
The Grin pulverization system requires a constant blade rotation speed. The Honda GCVx170 engine handles sudden loads better: if you enter an area with thick or tall grass, the engine doesn't "lose revs," maintaining a consistently powerful air vortex. This ensures the grass is finely pulverized even in difficult conditions.
Is the Honda HM46A suitable for sloping gardens?
Yes, the combination of the professional Grin traction and the efficient lubrication of the Honda GCVx engine makes this machine excellent even for moderate slopes. The Honda engine is designed to work on typical home garden slopes without oil drain issues, ensuring complete reliability.
How quiet is the Honda-powered HM46A model?
This is one of its most appreciated features. The combustion chamber and Honda exhaust are designed to reduce the most annoying frequencies. If you live in a neighborhood where peace and quiet are important, the Grin (without the rattling noise) and Honda (muffled engine) combination is the quietest solution on the market.
Does the Honda engine require different maintenance?
Maintenance follows Honda's schedule: minimal but essential.
- Oil: Honda recommends changing it after the first 5 hours (break-in) and then every season.
- Spark Plug and Filter: They are positioned so that they can be accessed in a few seconds without any special tools.
- OHV Technology : The overhead valve configuration ensures cleaner combustion, reducing carbon deposits and keeping the engine "younger" for longer.


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