The Makita 513886-8 Armature Assembly is a genuine OEM replacement component for the HR4013C Rotary SDS-Max Hammer, rated at 110V for safe use with UK site transformers. Constructed with copper windings around a laminated steel core and a precision-machined commutator, this armature restores efficient power delivery and correct motor performance. It is a direct-fit replacement designed to address common motor faults such as arcing, power loss, and overheating, minimising downtime during maintenance and repair. Using the correct OEM armature is essential for protecting the tool's field coil and gearbox. By keeping current draw, speed, and rotational balance within Makita's own specifications, this assembly helps preserve the integrity of the wider drivetrain and supports longer service intervals when paired with healthy brushes and proper commutator care. Suitable for contractors and tradespeople carrying out heavy-duty drilling and chiselling in concrete, masonry, and stone, this part is the reliable choice for restoring the HR4013C to full working condition. Features and Benefits: • Genuine Makita OEM part for assured fit and compatibility with the HR4013C • 110V rating suitable for UK site transformer use • Precision-balanced rotor to reduce vibration and electrical arcing • Copper windings and laminated steel core for efficient power transfer • Heat- and wear-resistant materials for durability under continuous load • Restores lost power, speed stability, and smooth motor braking • Direct replacement design to minimise downtime during maintenance • Built to Makita tolerances for correct alignment with bearings and gear train Specifications: Voltage: 110V Compatible Model: Makita HR4013C Part Number: 513886-8
