Cutting disc for Sunseeker V3 and X3 robotic lawnmowers
- Cutting disc for Sunseeker V3 and X3 robotic lawnmowers – a spare part for both models
- Two variants to choose from: 7 blades for standard cutting, 9 blades for a finer cutting pattern
- Low-vibration, balanced design – quieter operation without imbalance in the cutting system
- Protection for the mowing disc in both versions, blades pre-assembled
- Optional as a set with 60 replacement blades – stock up for the whole season
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Compatibility – SUNSEEKER
Fits the following robotic mowers:
- ✓ V3
- ✓ X3
Sunseeker belongs to the young generation of robotic lawnmowers that do without boundary wire – only when it comes to replacement parts supply do you notice that the brand is still new on the shelf. This cutting disc solves the issue in one go: a mowing disc for V3 and X3, optionally with 7 or 9 blades, neatly balanced and ready to be fitted.
7 or 9 blades – which cutting disc goes under your Sunseeker?
Both versions sit on the same mounting and fit equally well on V3 and X3 – so you don’t decide on compatibility, but only on the number of cuts per revolution. The more blades run along, the more often each blade of grass is captured and the finer the cuttings fall out.
Seven cutting edges per revolution are completely sufficient for a normally maintained home lawn. This version is the straightforward choice if you want to simply replace a worn disc and then see a clean, even cut pattern again – without having to compare for a long time.
Two cutting edges more mean more cut points on the same circular path. The grass is broken down into smaller pieces and, during mulching, it falls between the blades instead of lying on top as clippings – the right choice for areas with vigorous growth or dense stands.
One mowing disc, two models – a supply for the whole garden
Anyone who has chosen a wireless robotic lawnmower from the new generation knows the situation: the choice for the robot itself is made quickly, but then the search begins for the wear part. With V3 and X3, this part is eliminated – both models use the same cutting disc.
For you, that means: one order number instead of two, one shelf space instead of two. If you have two Sunseeker units in operation – for example, the front garden and the main area separately –, the same replacement mowing disc covers both. And if at some point a model change within the series is due, the existing stock remains usable.
The mowing disc is the component that carries the freely oscillating blades and holds them in position. It determines whether the blades rotate in a controlled manner or whether the cutting system has to work against a disc that runs unevenly.
The disc is delivered fully assembled and matched to the original mounting – without adapters, without adjustment, without drilling.
Why a balanced mowing disc makes the difference
A cutting disc rotates at high speed directly under the housing. If it is warped, bent, or unevenly worn, an imbalance occurs – and it doesn’t remain without consequences: it transfers as vibration into the cutting system, makes itself noticeable as noise, and leaves an unsettled cut pattern.
That is exactly why the vibration-reduced design of this cutting disc is not a side note. Both variants distribute the blades evenly over the circumference, so the rotation remains stable and each blade works at the same radius. This protects the blade guidance and keeps the cut consistent throughout the season.
Both versions also feature a protective cover on the mowing disc that keeps grass flow clear. Moist clippings that would otherwise collect around the blades and slow down the rotation are routed through instead of being jammed – fewer stops in dense grass.
The swap itself is done in just a few minutes and, as a rule, requires no tools: switch off the robotic lawnmower, carefully tilt it, remove the old disc, and fit the new one. Since the blades are already mounted, the individual screwing of the blades is completely eliminated.
Simply select the desired number of blades above – 7 for the proven standard cut, 9 for the finer result, if you wish, right away together with 60 replacement blades. Both versions fit Sunseeker V3 and X3 and are delivered ready to install.
More Sunseeker models
Top reviews
After trying two other brands, this 7-blade cutting disc for the Sunseeker V3/X3 seems to be a decent match. The fit was correct for my mower, and I noticed less wobble during operation compared with the cheaper set I used before. Cutting is reasonably even, but the first swap took longer than expected because the old disc was pretty stubborn to remove. Shipping was the only real hassle.
I replaced the old disc on my Sunseeker V3 after a few weeks of mowing, and right away you could see the difference. The new 7-blade disc works much more calmly, and the lawn in my approx. 400 m² garden looks even and dense, without ragged ends. Installation was easy—only I had to tighten the screws properly, because otherwise the disc had a minimal amount of play. After a week of use, everything works flawlessly, and I’m aiming for a longer service life with regular maintenance.
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CUT GUARD Assembly Instructions
General assembly instructions for cutting discs, replacement blades, and blades for compatible robotic mowers.
Note
These instructions generally apply to compatible cutting discs, replacement blades, and blades from CUT GUARD.
They do not refer to a specific model or version. Always additionally refer to the operating manual of your robotic mower.
Important Safety Notice
Sharp blades. Risk of injury. The knives and blades can cause serious cuts.
Always wear appropriate protective gloves during assembly, disassembly, cleaning, and maintenance.
Never work on the cutting disc while it is still moving.
1. General Safety Instructions
- The operator is responsible for accidents, injuries, and damages caused to other persons or their property.
- Keep children, animals, and uninvolved persons away during work and operation of the robotic mower.
- Never touch the cutting disc or the knives while they are still moving.
- Always turn off the robotic mower completely before performing work on the cutting disc or the knives.
- Remove the battery if possible or disconnect the device from the power supply.
- Always wear appropriate protective gloves.
- Do not use damaged, bent, heavily worn, or corroded knives, screws, or cutting discs.
- Regularly check the condition of the knives, fastening screws, and the cutting disc.
2. Required Tools and Materials
- Suitable screwdriver or bit, matching the screws used.
- Protective gloves.
- New or tested fastening screws.
- CUT GUARD cutting disc, replacement blades, or blades.
- Optional: soft surface for safely placing the robotic mower.
Important
Only use suitable screws and appropriate mounting materials.
If specified by the manufacturer or included in the delivery, use screws with locking lacquer
or suitable screw locking.
3. Preparation
- Stop the robotic mower completely.
- Turn off the device according to the operating manual.
- Remove the battery if possible.
- Wait until the cutting disc has completely come to a stop.
- Carefully turn the robotic mower upside down and place it on a stable, soft surface.
- Check the work area for cleanliness and adequate lighting.
4. Disassembly of the Existing Cutting Disc
- Loosen the fastening screws of the existing cutting disc.
- Completely remove the screws and set them aside safely.
- Carefully remove the existing cutting disc from the knife holder.
- Clean the knife holder of grass clippings, dirt, and debris.
- Check the knife holder for damage or unusual wear.
Warning
Do not use the new cutting disc if the knife holder, fastening points,
threads, or screws are damaged. In this case, the robotic mower may only be reused after proper
inspection.
5. Installation of the CUT GUARD Cutting Disc
- Place the CUT GUARD cutting disc correctly on the knife holder.
- Ensure that the cutting disc lies flat and is correctly centered.
- Insert the appropriate fastening screws.
- Tighten the screws evenly and firmly.
- Do not overtighten the screws to avoid damage to threads or components.
- After installation, check that the cutting disc is securely attached.
- Gently turn the cutting disc by hand and check if it runs freely.
6. Installation or Replacement of Replacement Blades
- Loosen the screws of the old blades.
- Carefully remove the old blades.
- Clean the contact surfaces on the cutting disc.
- Place the new CUT GUARD replacement blades on the designated fastening points.
- Ensure that the blades remain freely movable, as intended by design.
- Secure each blade with a suitable screw.
- Tighten the screws securely without overtightening.
- Check each blade for a secure fit and free movement.
7. Post-Installation Check
- Are all screws fully inserted and securely fastened?
- Is the cutting disc lying flat and securely?
- Can the blades move freely, if intended?
- Are there no tools or foreign objects left in the area of the cutting disc?
- Does the cutting disc run freely and without grinding?
8. Operation and Maintenance
- Regularly check knives, screws, and cutting disc for wear.
- Immediately replace damaged or heavily worn parts.
- Regularly clean the cutting disc of grass clippings and dirt.
- Do not use the robotic mower if unusual noises, vibrations, or running problems occur.
- Only use compatible spare parts and suitable mounting materials.
Note on Blade Replacement
Always replace blades in a timely manner. Dull or damaged blades can worsen the cutting quality,
put more strain on the robotic mower, and compromise safety.
9. Disclaimer
CUT GUARD cutting discs, replacement blades, and blades are accessories and spare parts for compatible robotic mowers.
They are not original accessories from the respective device manufacturer unless explicitly stated
in the product description.
The assembly and use are at your own risk. No liability is accepted for damages caused by improper assembly,
incorrect use, damaged components, or failure to observe the operating manual of the robotic mower.
Warning in Case of Injury
Seek medical assistance immediately in case of injury or accident.
GPSR Information on Product Safety
Product safety information in accordance with Regulation (EU) 2023/988 on general product safety.
Manufacturer & Responsible Person (EU)
Patryk Napiorkowski - Trivando
Am bhf Weinhübel 8
02827 Görlitz
Germany
Email:
service@trivando.de
Website:
www.trivando.de
Product Identification
Brand: CUT GUARD
Product Type: Blade discs, replacement blades, and blades for compatible robotic mowers
Intended Use: Accessories and replacement parts for suitable robotic mowers
Product Type: Cutting and fastening components for use in robotic mowers
Item Number / Model / Variant: see respective product description, packaging, or invoice
Compatibility: see product description and operating instructions of the robotic mower
Important Warning
Sharp blades. Risk of injury. The knives and blades can cause serious cuts.
Assembly, disassembly, cleaning, and maintenance should only be performed when the robotic mower is completely turned off.
Always wear appropriate protective gloves and wait until the blade disc has come to a complete stop.
Intended Use
CUT GUARD blade discs, replacement blades, and blades are intended solely as accessories and replacement parts for compatible robotic mowers.
The products may only be used for their intended purpose and only in conjunction with suitable, compatible devices.
Any other use, structural modification, or improper assembly may lead to injuries, malfunctions, or property damage.
Not Suitable For
- Children.
- Persons who have not read or understood the operating instructions of the robotic mower.
- Incompatible robotic mowers.
- Devices with damaged blade mounts, damaged threads, or defective fastening points.
- Use outside the intended application area.
- Use as a tool, hand knife, or for other cutting tasks outside the robotic mower.
Safety and Warning Notices
- Use only for the intended purpose.
- Use only with compatible robotic mowers, suitable blade discs, and appropriate mounting materials.
- Always turn off the robotic mower completely before any assembly, disassembly, cleaning, or maintenance.
- If possible, remove the battery or disconnect the device from the power supply.
- Always wait until the blade disc has come to a complete stop.
- Always wear appropriate protective gloves.
- Keep hands and feet away from rotating blades.
- Never touch knives, blades, or blade discs during operation.
- Do not use damaged, bent, heavily worn, rusted, or corroded knives, screws, or blade discs.
- Regularly check knives, screws, and blade discs for secure fit, wear, and damage.
- Use only suitable screws and appropriate mounting materials.
- If provided, use screws with locking lacquer or suitable screw locking.
- Keep children, animals, and uninvolved persons away from the work area.
- The robotic mower must not be operated if persons, especially children, or animals are in the work area.
- In case of unusual noises, vibrations, grinding noises, or running problems, stop operation immediately and check the assembly.
- In case of injuries or accidents, seek medical assistance immediately.
Assembly Instructions
Assembly may only be performed when the device is turned off. Always observe the operating instructions of the respective robotic mower.
Blade discs, replacement blades, and blades must be correctly seated and securely fastened. After assembly, check whether the blade disc runs freely and that no tools or foreign objects have been left in the area of the knives.
Check Before Operation
- Are all screws fully inserted and tightened?
- Is the blade disc correctly centered and securely fastened?
- Are the knives correctly mounted?
- Can movable knives move freely, if this is structurally intended?
- Are there no visible damages?
- Does the blade disc run freely and without grinding?
Maintenance and Inspection
- Regularly check knives, blades, screws, and blade discs for wear and damage.
- Immediately replace damaged or heavily worn parts.
- Regularly clean the blade disc of grass residues, dirt, and deposits.
- Do not use aggressive cleaning agents that may damage material or coating.
- Use only compatible replacement parts and suitable mounting materials.
Storage and Disposal
Store replacement blades, blades, screws, and blade discs dry, clean, and secure.
Keep out of reach of children and unauthorized persons.
Safely package used, damaged, or dull knives and blades to avoid cuts.
Dispose of metal parts, packaging, and accessories in accordance with local regulations.
Note on Original Accessories
CUT GUARD products are compatible accessories and replacement parts. They are not original accessories of the respective
device manufacturer unless explicitly stated in the product description. Brand names, model designations,
and manufacturer information are for compatibility indication only.
Contact for Safety Questions, Complaints, or Accidents
For questions regarding product safety, complaints, accidents, or indications of possible safety issues, please contact us immediately:
Patryk Napiorkowski - Trivando
Am bhf Weinhübel 8
02827 Görlitz
Germany
Email: service@trivando.de
Website: www.trivando.de
Frequently asked questions
Does the same cutting disc really fit both the Sunseeker V3 and the X3?
Yes. The V3 and X3 use the same mowing disc mount, so either of the two variants fits both lawn mowers without an adapter. So if you have two Sunseekers working in your garden, you only need to keep one spare part type in stock—and when switching within the series, the existing supply remains usable.
7 or 9 blades – which should I choose for my lawn?
For a normally maintained home lawn, the 7-blade disc is sufficient; it’s the straightforward replacement for a worn disc. The 9-blade version adds two extra cutting edges along the same circular path, captures each blade of grass more often, and chops the clippings more finely—useful for vigorous growth and for mulching. The fit is identical for both.
What does “low-vibration” mean for a cutting disc specifically?
The disc spins at high speed directly under the housing. If the blades are evenly distributed around the circumference and the disc is not warped, the rotation runs smoothly and stably. A warped or knocked disc, on the other hand, creates an imbalance that is noticeable as vibration and noise; it puts additional strain on the cutting system and leaves an uneven cutting pattern.
Do both variants have protection on the mowing disc?
Yes, both the 7- and 9-blade version is supplied with a guard. It keeps the grass flow on the disc clear, so that damp clippings do not build up around the blades and slow down the rotation. In dense or wet grass, this means noticeably fewer stops.
Do I need tools to change the cutting disc?
In most cases, no: switch off the robotic mower, carefully tip it over, remove the old disc, and attach the new one. Since the blades are already pre-assembled, the individual screwing of the blades is completely eliminated—the swap is done in just a few minutes. Gloves are still recommended when handling the cutting system.
Is the disc supplied ready to install for V3 and X3?
Yes. The disc comes pre-fitted—on the 7 version with 7, and on the 9 version with 9 already mounted blades. So you don’t need to screw anything on individually and can mow again right after attaching it. A separate supply of replacement blades is optional and only intended for later changes.
How do I know when my old mowing disc needs to be replaced?
Look out for frayed instead of smoothly cut blade tips, an uneven cutting pattern, unusual noises, or an unsteady running of the cutting system. Blades that no longer sit firmly are also a sign. After contact with stones, roots, or solid branches, it’s also worth checking for nicks and deformation—a damaged disc will run with imbalance.
Is this an original Sunseeker replacement part?
No, it is a compatible cutting disc from CUT GUARD, precision-made for mounting on Sunseeker V3 and X3. Especially with a still young robotic brand, this is often the faster route to the replacement part: the material and blade guidance are designed for continuous operation, and the disc comes with pre-assembled blades. Please check the model designation of your device before ordering.