Bosch UniversalRotak 34-405: 1300 W, 34 cm and EU Fit
📖 Guide 🌿 Electric Lawn Mowers ✅ Updated 2026 October 10, 2026

Bosch UniversalRotak 34-405: 1300 W, 34 cm and EU Fit

⚡ Quick answer

Verified Bosch UniversalRotak 34-405 specifications, cutting range, collection capacity and the EU market details to check before buying.

Illustrative corded lawn mower with its power cable visible; not a Bosch product photo

This Bosch UniversalRotak 34-405 guide checks the European product listing and operating manual. It is a corded 34 cm mower, so the practical decision is not just motor wattage: measure cable reach, storage access and the lawn's tightest passages. This is a documentation review rather than a hands-on cutting test.

Verified Bosch UniversalRotak 34-405 specifications

Bosch lists product number 06008A6401 with a 1,300 W motor and a 34 cm rotary blade. Its Spain product page specifies a 40 litre collection box, five centrally selected cutting heights from 25 to 70 mm, Ergoflex handles and a listed weight of 11 kg. The operating manual gives 12.5 kg for the 34-405 under IEC 62841. Bosch does not explain the difference on the product page, so check the exact unit and seller before planning lifting or transport.

SpecificationBosch Spain listing
Power sourceCorded electric, 1,300 W
Cutting width34 cm
Cutting height25–70 mm, five central settings
Grass collection40 litre box
Weight11 kg on Bosch Spain product page; 12.5 kg in the manual's IEC 62841 table
Tool dimensions1,340 × 370 × 1,060 mm, as listed by Bosch Spain
Rated voltageManual specifications apply to 230 V; check the mower rating plate in the country of use
Product number / EAN06008A6401 / 4053423321845

Where a 34 cm corded mower fits

The 34 cm cutting width is a useful size to compare for smaller lawns, narrow gates, tight turns and beds close to the grass. It takes more parallel passes than a wider deck across an open lawn, but a narrower machine may be easier to steer around trees and garden furniture. Measure the mowing surface and narrowest entrance; Bosch does not give a recommended lawn area for this model.

The 40 litre box gives a stated collection capacity, while the mains cable means there is no battery runtime to manage. Instead, cable reach and safe routing become part of every pass. Map the route from the outlet and avoid cutting across the extension cable. If the nearest safe supply cannot reach the far side of the lawn without a risky cable path, a battery mower may fit better even if the Bosch's cutting dimensions suit the grass.

Bosch describes GrassCombs for cutting close to borders and walls and Ergoflex handles for a comfortable working posture. Those are maker-described features, not a guarantee that no trimming is required. Raised edging, uneven paving and long grass can still leave a strip that needs a separate trimmer.

The product page does not substantiate older claims about a steel deck, RotaStop, a mulching system, six height positions or a three-year warranty. Those details have been removed rather than inferred from another UniversalRotak version. The manual is a shared UniversalRotak document; confirm the product number and country-specific rating plate before treating a family-level specification as universal.

Use dimensions and cutting width as fit checks, not lawn-area promises

Bosch's page gives the tool dimensions as 1,340 × 370 × 1,060 mm and does not state a maximum lawn area for this model. Measure the narrowest gate, the path to the lawn and the place where you will store the machine. Leave room to handle the collector and cable safely; the listed machine dimensions do not include the space needed to turn it or empty the grass box.

Cutting width can help compare the number of passes on an open lawn, but it does not predict mowing time by itself. Slopes, obstacles, grass height, collection frequency and cable routing all affect how the job feels. If most of the area is open and the 34 cm deck would require many extra passes, compare a wider machine; if access is tight, check the real opening and turning space before choosing by width alone.

Collection, cutting height and edging

The central height control has five positions in Bosch's stated 25–70 mm range. Use the higher setting when the grass is longer and lower it gradually as the lawn returns to a regular mowing schedule. A very short cut can remove too much leaf, particularly during hot or dry weather; use local lawn-care guidance and current grass conditions rather than treating the lowest setting as the normal target.

The 40 litre collector is designed to hold clippings, but how quickly it fills depends on area, growth and cut frequency. Empty it before it becomes awkward to lift and stop the mower before removing the collector or clearing a blockage. Bosch confirms collection, not a mulching plug or side-discharge setup, so check included parts and the manual if those functions matter.

GrassCombs guide blades close to lawn edges, beds and fences, according to Bosch. Keep the deck parallel to the edge and avoid pushing the mower against masonry or raised borders. Use a separate edging tool where the mower cannot cut safely close enough; a clean edge is not a reason to put the blade against an obstacle.

Check the market and plug before buying

The source used here is Bosch's Spain listing and its European operating manual. Bosch's manual identifies a 230 V nominal supply for this model family and warns that specifications can vary with voltage and country-specific versions. Confirm the product number, rating plate, plug and manual for the unit being sold. A European 230 V mower should not be assumed to run from a US 120 V outlet or carry a US warranty.

Match the product documentation to Bosch order number 06008A6401 and EAN 4053423321845. A product name that only says “UniversalRotak 34” is not enough to identify the model because nearby variants can differ. Confirm that the 34-405 rating plate, 40 litre collector and supplied blade match the regional manual; retain that manual for later maintenance and replacement-part checks.

For a European installation, check that a suitable outdoor socket is within reach without routing the lead across a path or through a wet area. The mower's 1,300 W rating describes its motor, not the safe capacity of every extension lead or household circuit. If you need a cable run through a doorway, across a shared route or near water, choose another setup rather than improvising a connection.

For more help choosing a corded machine by lawn shape and cable access, see the electric lawn mower guide. If battery operation is a better fit, compare constraints with the UK/EU Greenworks G40LM35K2X guide; it is a different power source and package.

Plan cable reach and safe mowing

Before each use, inspect the cord, plug and extension lead for cuts, crushed insulation, exposed conductors, bent pins or loose connections. Use only the cable type, length and cross-section permitted by the Bosch manual and the local supply. Do not improvise adapters, join leads with tape or use a damaged extension.

Route the cable so it trails behind the operator and stays outside the mower's path. Keep it away from the blade, wheels, feet, water and sharp garden edges. The mower is intended for ground-level lawn cutting; do not use it for shrubs or other material. Stop and disconnect it before reaching under the deck, emptying the box, clearing a blockage or adjusting the blade.

Do not mow in rain or on wet grass. Damp conditions can affect traction and increase risk around mains-powered equipment. Maintain stable footing and keep other people and pets outside the area. If the cable cannot be routed safely, delay the cut or choose a mower that suits the site.

Blade, cleaning and storage checks

Read the manual before removing the blade or carrying out maintenance. Disconnect the mains plug first and prevent accidental reconnection. Inspect the blade for damage and wear; a blunt or bent blade can affect cut quality and may cause vibration. Use the replacement part specified for the UniversalRotak 34-405 and the manual's tightening method rather than assuming a blade from a 37 cm sibling fits.

After mowing, clear grass from the collector and deck using the method Bosch permits. Avoid directing water into the motor or electrical connections. Let the mower dry before storage, wind the cable without sharp bends and keep the machine in a secure dry place. If it makes unusual noise, vibrates or trips the supply, stop using it and contact an authorised repair service.

First checks for a poor cut or collection

If the lawn looks uneven, check whether the grass is too long for a single pass and whether the five-position height setting suits current conditions. Stop and disconnect the mower before inspecting the blade or clearing grass. An overfilled collector can be awkward to handle, so empty it when needed and confirm it is seated correctly before mowing again. If the blade is damaged, vibration is new or the problem continues after basic checks, use the manual and authorised service rather than trying an unapproved replacement blade.

Frequently asked questions

Frequently Asked Questions

📚 Sources and references

Authoritative sources consulted to write this guide:

  1. UniversalRotak 34-405 product page — Bosch DIY Spain
  2. UniversalRotak operating manual, document F 016 L94 593 (includes 34-405) — Bosch Power Tools

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About the author

Adonai Domínguez
Adonai DomínguezFounder & Editor, Tu Jardín Pro

Adonai Domínguez edits Tu Jardín Pro. Each guide identifies whether it is based on documentary research, first-hand observation, or direct testing. When we publish first-hand evidence, we explain the method, date, and limits. No pay-to-rank, no invented specs. Read the full methodology →

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