Independent Component Reference

Floor Scrubber Brush

Brush architecture, floor task and exact scrub head must be approved as one cleaning system.

This profile compares official disc, cylindrical and orbital scrub-head evidence and turns it into practical brush, pad, wear and machine-fit checks.

Included
  • Disc and cylindrical brushes for scrubber-dryers
  • Pad drivers and orbital head boundaries
  • Working width, material, drive and machine-family checks
Excluded
  • Vacuum cleaner brush rolls
  • Unpowered hand brushes
  • Chemical suitability claims without floor and detergent evidence

First published 2026-08-11 · Last verified 2026-08-11

Physical resemblance, matching wattage, matching voltage, a generic family name or a seller claim does not establish compatibility. Verify the current manufacturer part number and revision, machine model and serial scope, mechanical, electrical and fluid interfaces, rated operating envelope, protection requirements and approved service documentation.

Official component referenceHako professional scrubber-dryer in floor-cleaning application
Official Hako scrubber-dryer image on a WCB canvas; machine and head documentation controls the installed brush family. Official image source
Floor Scrubber Brush key facts
FactTechnical referenceScope boundary
Architecture boundaryOfficial machines distinguish disc, cylindrical and orbital scrub headsNamed official product, model, market and document edition only; verify the current revision before procurement.
Working geometryDiameter, number of brushes and head width are model-specificNamed official product, model, market and document edition only; verify the current revision before procurement.
Wear boundaryOfficial instructions define replacement and service checksNamed official product, model, market and document edition only; verify the current revision before procurement.

Functional boundary

Where the component sits in the larger system

This WCB flow describes documented functions, not one universal product construction.

  1. 01

    Mechanical agitation

    The rotating or oscillating element applies motion to soil and floor.

    EvidenceThe cited official source supports this statement within its named product or document scope.

    ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

    Verified2026-08-11

    Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

  2. 02

    Solution distribution

    The brush or pad works inside the head's documented water and detergent path.

    EvidenceThe cited official source supports this statement within its named product or document scope.

    ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

    Verified2026-08-11

    Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

  3. 03

    Contact-force transfer

    The deck transfers controlled pressure through the brush or pad.

    EvidenceThe cited official source supports this statement within its named product or document scope.

    ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

    Verified2026-08-11

    Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

  4. 04

    Soil transport

    Cylindrical or disc geometry directs loosened debris within the recovery workflow.

    EvidenceThe cited official source supports this statement within its named product or document scope.

    ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

    Verified2026-08-11

    Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Architecture families

Different component architectures solve different constraints

No architecture is a universal winner, and a family label is not a replacement-part specification.

Hako scrubber-dryer family in professional cleaning
Official technical image

Official Hako machine-family image showing the installed scrub-head context; exact brush identity remains model-specific.

How to use this visualUse the photographed family only to understand documented construction context; do not infer exact product fit.

Official image source

Single or dual disc

Principle
One or two horizontal brushes rotate against the floor.
Application boundary
Named disc head and machine family
Benefits
  • Common maintenance and broad brush grades
Limitations
  • Side pull and edge reach depend on head setup
Buyer check
Confirm the exact part number, installed system, interface and documented operating envelope.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Cylindrical roller

Principle
Parallel rollers scrub and can convey coarse debris into a tray.
Application boundary
Named roller head and debris-handling scope
Benefits
  • Debris collection and structured-floor options
Limitations
  • Roller pair, bearings and rotation are model-specific
Buyer check
Confirm the exact part number, installed system, interface and documented operating envelope.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Orbital pad system

Principle
A pad driver oscillates over a defined working area.
Application boundary
Named orbital head and approved pads
Benefits
  • Low-profile and specialized finishing options
Limitations
  • Pad, drive board and head are not interchangeable with disc brushes
Buyer check
Confirm the exact part number, installed system, interface and documented operating envelope.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Specification dictionary

What component specifications do—and do not—mean

Floor Scrubber Brush specification dictionary
SpecificationPurchasing meaningReporting boundaryComparison caution
Brush diameter or working widthDefines cleaning path and deck clearanceRetain quantity and head configurationA stated machine width does not identify the replacement brush.
Brush or pad materialLinks contact aggressiveness to floor and soil taskRetain official color, material and grade systemColors are not necessarily standardized across brands.
Speed and contact forceDefines mechanical cleaning inputUse the named head, mode and measurement basisDo not compare speed without pressure and floor context.
Drive interfaceControls attachment, torque and releaseRecord hub, plate, retention and rotation detailsMatching diameter alone is insufficient.
Floor Scrubber Brush performance reporting boundary diagram
WCB explanatory visual

WCB reporting map: compare ratings only inside the same documented part, condition, unit and machine scope.

How to use this visualKeep every reported value inside its stated unit, operating point, test method and product scope.

Diagram sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50, karcher-d51

Brush diameter or working width evidence

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Brush or pad material evidence

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Speed and contact force evidence

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Drive interface evidence

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Evidence + WCB interpretation

Application matrix

Official application language narrows the review; it does not prove exact product fit.

Kärcher scrubber dryer cleaning a commercial floor
Official technical image

Official Kärcher application image on a WCB canvas, used to show the brush-to-machine operating context rather than an exact replacement claim.

How to use this visualTreat the photographed application as source context only. Verify the actual operating point, duty, envelope and approvals.

Official image source

Routine hard-floor cleaning

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

WCB assessment

Use the manufacturer-listed brush or pad grade for the floor and chemistry.

Basis
Official architecture and application statements from the cited sources.
Limitations
No exact machine or floor suitability is established outside the cited scope.
Buyer action
Approve the exact part, machine/head and operating procedure.

Structured floor or coarse debris

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

WCB assessment

Evaluate a documented cylindrical head and debris-tray configuration.

Basis
Official architecture and application statements from the cited sources.
Limitations
No exact machine or floor suitability is established outside the cited scope.
Buyer action
Approve the exact part, machine/head and operating procedure.

Restoration or polishing

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

WCB assessment

Approve the exact pad driver, pad grade, speed and chemical procedure.

Basis
Official architecture and application statements from the cited sources.
Limitations
No exact machine or floor suitability is established outside the cited scope.
Buyer action
Approve the exact part, machine/head and operating procedure.

Compatibility gate

Family similarity is not replacement compatibility

Physical resemblance, group ownership, generic family names, seller claims, and matching wattage do not establish compatibility.

Floor Scrubber Brush compatibility approval gate
WCB explanatory visual

WCB compatibility gate: stop approval when identity, interface, rating or source scope remains undocumented.

How to use this visualPass every relevant gate using current manufacturer documents before approving a substitute, service part or design change.

Diagram sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50, karcher-d51

01

Machine and scrub head

Required match
Exact model, head code, serial scope and brush count
Why it matters
A machine may accept several mutually exclusive decks.
Required action
Record manufacturer evidence for every required field before approval.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

02

Geometry

Required match
Diameter/width, hub, retention and rotation
Why it matters
Similar dimensions do not establish engagement.
Required action
Record manufacturer evidence for every required field before approval.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

03

Floor task

Required match
Floor finish, soil, detergent, brush or pad grade
Why it matters
Excess aggression can damage the surface.
Required action
Record manufacturer evidence for every required field before approval.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

04

Operating envelope

Required match
Speed, contact force, water, wear limit and service procedure
Why it matters
Performance and life depend on the full setup.
Required action
Record manufacturer evidence for every required field before approval.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Service boundary

Failure signals and required checks

Symptoms narrow inspection work; they are not a remote diagnosis or repair instruction.

Uneven cleaning or side pull

WCB inspection categories
  • Uneven wear
  • Incorrect tilt or brush grade

Safety boundaryStop if the head pulls unpredictably or contacts the floor abnormally.

Service actionUse the current manufacturer inspection, maintenance and replacement procedure.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Brush will not attach or eject

WCB inspection categories
  • Wrong hub
  • Debris or damaged retention mechanism

Safety boundaryIsolate the machine before accessing the scrub head.

Service actionUse the current manufacturer inspection, maintenance and replacement procedure.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Poor result or floor marking

WCB inspection categories
  • Wrong material
  • Worn brush or incorrect pressure/chemistry

Safety boundaryTest the approved setup on an inconspicuous area and follow floor-care guidance.

Service actionUse the current manufacturer inspection, maintenance and replacement procedure.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Representative, not exhaustive

Official representative product families

These rows document manufacturer-published families. They do not establish a customer, OEM, factory or compatibility relationship.

Representative official component families
ManufacturerFamilyArchitectureDeclared applicationDistinguishing specificationsScope
TennantT300 43 cm magnetic disc brushSingle-disc magnetic attachmentNamed T300/T300e parts scopeOfficial family identityNamed architecture or operating envelopeTennant parts-manual edition
TennantT300 dual-disc head familyDual-disc scrub headNamed T300 machine configurationsOfficial family identityNamed architecture or operating envelopeTennant US
NilfiskSC500 53 BSingle 530 mm disc brush/pad systemNamed SC500 configurationOfficial family identityNamed architecture or operating envelopeNilfisk catalogue scope
NilfiskSC500 53R B508 mm REV/orbital pad systemNamed SC500 REV configurationOfficial family identityNamed architecture or operating envelopeNilfisk catalogue scope
KärcherD51 brush head 2.763-051.0Single 510 mm disc brush headNamed B 50 W D51 configurationsOfficial family identityNamed architecture or operating envelopeKärcher international
KärcherR55 brush headCylindrical roller headNamed B 50 W R55 configurationOfficial family identityNamed architecture or operating envelopeKärcher international
HakoScrubmaster B25 TB 430430 mm disc brush/pad systemNamed Scrubmaster B25Official family identityNamed architecture or operating envelopeHako international

WCB decision support

Procurement decision matrix

WCB assessment

OEM or approved service replacement

Verify
Exact part identity, revision and installed system
Comparison trap
Treating a family label as an exact fit
Assessment
Requires application-specific verification.
Basis
Official part and model scope.
Limitations
No fit is established outside the named source scope.
Buyer action
Require current manufacturer cross-reference or approved-parts evidence.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

WCB assessment

Alternative sourcing qualification

Verify
Geometry, materials, interfaces, ratings and validation plan
Comparison trap
Approving by photo, nominal size or one matching rating
Assessment
Requires application-specific verification.
Basis
Multiple official families show different architecture and limits.
Limitations
Public sources do not qualify an unlisted substitute.
Buyer action
Run documented engineering, safety and service validation before approval.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

WCB assessment

Application selection

Verify
Machine, surface, duty and operating condition
Comparison trap
Comparing headline performance outside its test boundary
Assessment
Requires application-specific verification.
Basis
Official application and technical documents.
Limitations
Field results vary with the complete system and procedure.
Buyer action
Approve the complete operating specification and acceptance test.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Engineering validation

Checks before approval or substitution

01

Machine and scrub head

A machine may accept several mutually exclusive decks.

Required actionFreeze the approved value, tolerance, evidence URL and revision in the procurement specification.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

02

Geometry

Similar dimensions do not establish engagement.

Required actionFreeze the approved value, tolerance, evidence URL and revision in the procurement specification.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

03

Floor task

Excess aggression can damage the surface.

Required actionFreeze the approved value, tolerance, evidence URL and revision in the procurement specification.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

04

Operating envelope

Performance and life depend on the full setup.

Required actionFreeze the approved value, tolerance, evidence URL and revision in the procurement specification.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcestennant-t300, tennant-t300-parts, nilfisk-sc500, nilfisk-catalogue, karcher-b50

Standards boundary

Safety and performance references

IEC 60335-2-72

JurisdictionInternational

Version2021

ApplicabilitySafety context for commercial floor-treatment machines within the standard scope; not a brush compatibility or certification claim.

EvidenceThe cited official source supports this statement within its named product or document scope.

ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

Verified2026-08-11

Sourcesiec-60335-2-72

Technical developments

Documented changes affecting design or procurement

  1. Current official scrubber families expose multiple head architectures

    Reviewed Kärcher B 50 W documentation explicitly separates D51, D60, R55 and O51 head configurations.

    EvidenceThe cited official source supports this statement within its named product or document scope.

    ScopeNamed official product, model, market and document edition only; verify the current revision before procurement.

    Verified2026-08-11

    Sourceskarcher-b50, karcher-b50-manual

Audit trail

Primary and technical sources

Last material modification 2026-08-11 · Last verified 2026-08-11

  1. manufacturer

    T300 walk-behind floor scrubber

    Tennant

    Accessed 2026-08-11

    Open source
  2. manual

    T300 parts manual, 2026 edition

    Tennant

    Accessed 2026-08-11

    Open source
  3. manufacturer

    SC500 walk-behind scrubber

    Nilfisk

    Accessed 2026-08-11

    Open source
  4. datasheet

    Nilfisk professional floorcare catalogue

    Nilfisk

    Accessed 2026-08-11

    Open source
  5. manufacturer

    B 50 W push scrubber dryer

    Kärcher

    Accessed 2026-08-11

    Open source
  6. datasheet

    Brush head D51

    Kärcher

    Accessed 2026-08-11

    Open source
  7. manual

    B 50 W operating instructions

    Kärcher

    Accessed 2026-08-11

    Open source
  8. manufacturer

    Scrubmaster B25

    Hako

    Accessed 2026-08-11

    Open source
  9. standard

    IEC 60335-2-72:2021 commercial floor treatment machine safety

    IEC

    Accessed 2026-08-11

    Open source