The expert for robots in your home



Back to overview
Including free 5-year guaranteeIncluding free 5-year guarantee
McCulloch Rob S400 - robot lawn mower (2020 model)
  • We are sorry. This product is not available for order.

McCulloch Rob S400 - robot lawn mower (2020 model)

Including free 5-year guaranteeIncluding free 5-year guarantee

Unit price:


* Prices in GBP incl. VAT and delivery, if applicable

Due to a high volume of orders, the delivery time of our delivery service providers may be extended. Read more
  • Delivery time: 3 to 5 working days.

  • Express shipping available

    You will have the opportunity to select DHL Express. Orders which are placed until 12.00 p.m. and are in stock, will be shipped on the same day. The additional fee depends on your delivery address and cart.

Including free 5-year guaranteeIncluding free 5-year guarantee

More information about product

McCulloch Rob S400 robot lawn mower with Bluetooth app control

The robot mower is ideal for lawns up to 400 m2 and slopes of up to ±35 %. With three rotating blades, it cuts the lawn fully automatically – even in rainy weather. The robotic lawn mower mows extremely quietly with only approx. 58 dB. With an app for smartphone or tablet, the lawn robot can be comfortably controlled and programmed via Bluetooth connection. Unlike many other robot lawn mowers, the McCulloch S400 can also be cleaned under running water (for example with the garden hose).

Due to a high volume of orders, the delivery time of our delivery service providers may be extended. Read more
  • Delivery time: 3 to 5 working days.

  • Express shipping available

    You will have the opportunity to select DHL Express. Orders which are placed until 12.00 p.m. and are in stock, will be shipped on the same day. The additional fee depends on your delivery address and cart.


Add additional services and benefit from their reduced price:

myRobotcenter - 5-year Guarantee
5-year guarantee
Read more

Product description

McCulloch Rob S400: usable on lawns up to 400 m2

McCulloch Rob S400

The robot grass cutter is equipped with a lithium-ion battery. It can be used on lawns of up to 400 m2 with slopes of up to ±35 % or 19°. With a volume of only about 58 dB, the robot lawn mower is extremely quiet. A 360 ° rotatable rear wheel makes it easy for it to manoeuvre. This prevents an excessive wear of the lawn.

McCulloch S400McCulloch S400
Quiet operation at any time of dayQuiet operation at any time of day

Quiet operation at any time of day

At just 60 dB, the robot lawn mower is particularly quiet. It can therefore be used at any time of the day without disturbing owners or neighbours. We advise against using it at night in order to protect nocturnal animals.

Mows even when it rainsMows even when it rains

Mows even when it rains

The McCulloch mows very reliably, even when it rains. So it doesn't drive back to the charging station when it rains, but continues to mow. In this way it ensures that the mowing jobs are carried out on time and that the lawn is maintained.

Overcomes ± 35 % gradientsOvercomes ± 35 % gradients

Overcomes ± 35 % gradients

Gradients on the work surface are no problem for the lawn robot. It independently overcomes inclines of up to ± 35 %. It is only important that there is no incline along the boundary wire.

App control via BluetoothApp control via Bluetooth

Smart control with your tablet or smartphone

You can easily control your robot lawn mower Rob S400 from anywhere, you only need the App from McCulloch. You can download the app for iOS or Android. The app is suitable for smartphones or tablets you can use follow functions:

  • Additional mowing programs, e.g. SpotCut, PowerCut
  • Setting of schedules and individual mowing cycles
  • Monitoring the robot grass cutter

The app provides you a good overview about your McCulloch Rob S400 – also when you are not at home.

Regular mulching for a nice lawn

The McCulloch Rob S400 trims the lawn with three blades mounted on a freely rotating knife disc. The cutting width is 16 cm. The cutting height can be adjusted between 20 and 50 mm. The finely chopped blades of grass fall to the ground as mulch. The grass remains provide moisture and serve the lawn as a natural fertilizer.


The robot lawn mower works fully automatically

Reliably, the robot mower follows the set weekly program – even when it rains. Using an intelligent cutting system, it can optimally adapt its mowing time to the grass growth. The robot navigates at random. When the battery level is low, it automatically returns to the charging station to recharge.


Useful remote start function

It can be defined a certain point within the lawn area where the robot lawn mower should start mowing. Thanks to this remote start function, the McCulloch S400 reliably finds its way into a secluded area of the garden, which is difficult to access only through a narrow passage. This guarantees a uniform mowing result in the entire garden.


Automatic passage detection

With automatic passage detection, the McCulloch Rob S400 easily finds its way into narrow passages and skilfully navigates through them. This prevents ugly traces on the lawn.


The McCulloch S400 has a variety of safety sensors

Collision, lifting and tilting sensors ensure great safety. If the lawn robot encounters an obstacle, it stops and continues in another direction. If the robot is lifted or tilted, the blades stop immediately. In addition, with a PIN code and anti-theft protection, it is safe from being put into operation by unauthorized persons.


McCulloch Rob S400 is easy to install and maintain

Accessories for the first installation includedAccessories for the first installation included

Accessories for the first installation included

All accessory parts for the installation of the McCulloch Rob S400 are included in the scope of delivery: boundary wire, cable pegs and connectors as well as a detailed user manual. Your robot lawn mower is ready to mow in just a few steps!


Cleaning with water

The robot grass cutter weighs just 7.8 kg and is therefore extremely easy to handle. The McCulloch S400 can – as one of only a few robot mower models – be cleaned under running water. This makes the maintenance of the robot lawn mower particularly easy and uncomplicated.

Scope of delivery

McCulloch Rob S400
McCulloch Rob S400 - robot lawn mower (2020 model)
  • Charging station
  • Boundary wire (150 m)
  • Pegs (200 pcs.)
  • Cable connectors (5 pcs.)
  • Connecting terminals (4 pcs.)
  • Replacement blades (3 pcs.)

Technical details

More information
Model NameMcCulloch Rob S400 (2020 model)
Gradient:± 35 %
Lawn complexity:Simple
Dimensions70.0 x 50.0 x 32.5 cm
Weight (approx.):7.8 kg
App-controliOS, Android
Mowing modeThree rotating blades
Cutting height20 - 50 mm
Cutting width16 cm
Mowing in rain:Rain sensor (not adjustable)
Charging time60 Min.
Battery runtime60 Min.
Battery typeLithium-ion (18 V/ 2.1 Ah)
Battery guarantee:1 year
Product guarantee:5 years
Boundary optionBoundary wire
Safety:Obstacle detection, lift and tilt sensors, PIN code, alarm function
Volume:60 dB
Special features:• Remote start function (1/ fiix) • Passage detection – automatic handling of narrow passages • Cleaning with the garden hose

Product questions (0)

Product questions
No questions

Guides & manuals

Customer Review(s)

With their technical sophistication and excellent range of features, robots from myRobotcenter never fail to impress. Our robots are guaranteed to provide you with more free time and a better quality of life. Guarantee is also the key word when it comes the longevity of our products. Thanks to their sophisticated, tried and tested technology, our products have proven to be extremely reliable and free of faults. If a design fault should arise, then you can rely on a guarantee that – with many products – extends far beyond the statutory minimum.


Extension of the guarantee to 5 years

Our products come with a manufacturer's guarantee (generally 2 years). At myRobotcenter you get an even longer guarantee on many products: we extend the guarantee period to 5 years.


Complete security over many years

Our 5-year guarantee on labelled products is both a mark of quality and a very special service for you as our customer. In addition to the respective guarantee, we provide  you with all the details about the conditions of our guarantees and which services you can expect from us.


What does the guarantee cover?

The 5-year guarantee covers devices bought from us when accompanied by a receipt or another document that proves the validity of the 5-year guarantee. The 5-year guarantee ends five years after the device was purchased. The guarantee is valid for guarantee claims that occur in United Kingdom.


A guarantee claim is valid when the device purchased by you is damaged or destroyed, as a result of the following causes:

  • construction fault, calculation error, casting defect, material defect and production fault

  • direct effects of electrical energy as a result of a ground fault, short circuit, excessive increase in the current strength, electrical arc-over, formation of electrical arcs, insulation faults, excess voltage and the like.

Excluded from the guarantee is damage caused by external influences, such as a bounce flash in the circuit or fire damage. Such externally induced damages can be covered under certain circumstances by your household insurance and may include:

  • measuring, controlling and safety device failures

  • excessive pressure other than explosions

  • implosion and other effects of insufficient pressure

  • lack of water in steam boiler and other apparatus

  • bursts due to centrifugal force


Within the framework of the extended guarantee, operating errors are covered insofar as they impair the functionality of the product and do not represent a contravention of the operating instructions. For such cases we shall charge an excess of 84 GBP including VAT.


What is NOT covered by the guarantee?

  • Wear and tear, and damage to wearing parts and batteries (the battery is only covered by the manufacturer's guarantee)

  • Damage that does not impair the technical function of the device, e.g. scratches and scuffs.

  • Damage or destruction due to intentional or grossly negligent acts or omissions on the part of the purchaser or other users of the device.

  • Damage or destruction caused by improper installation/assembly, by improper repairs/adjustments, by improper, non-intended or unusual use or cleaning of the device – especially when the manufacturer’s instructions are not followed – and by operating errors.


What service do we provide in valid guarantee cases?

  1. When repair is technically and objectively possible and the costs of repair do not exceed the current value of the device (see clause 3), the device shall be repaired professionally and the costs incurred in the repair reimbursed by the guarantee.

  2. Should repair be technically or objectively impossible or uneconomical (total write-off), you shall receive a replacement device of the same kind and quality up to the amount of the current value (see clause 3). The damaged or destroyed device is returned to us and becomes our property.

  3. The current value of your device is 50% of the purchase price in the 3rd year after conclusion of purchase contract, 40% in the 4th year and 30% in the 5th year of the purchase price as stated in the receipt.


Is your device broken?

Just ask us for help. We will support you with the repair request.

  1. In the matters of a needed repair, a skilled and trained team in service and repair department from us or from the manufacturer itself, will gladly be there for you with advice and act to the side.

  2. Please take care of packing the robot carefully to avoid damage.

  3. Enclose a detailed description of the fault as well as the invoice together with the 5-year guarantee certificate.

  4. The robot must be fully postage paid at and sent to the mentioned address.

  5. Transport costs are paid by you and will not be refunded. We recommend that you keep the postage receipt.


Correct as of: May 2020