Description
Overview:
This Gear Assembly is a genuine Makita spare for restoring the drive system of compatible cordless drills. Built with precision-cut metal gears and robust carriers, it transfers torque smoothly from the motor to the chuck and helps reduce slip, grinding, and loss of power under load. It is engineered for Makita models including the 8414D and 8434D, ensuring correct mesh and alignment within the original gearbox housing. As an authentic Makita component, Manufacturer Part Number 125428-2, it offers the fit and reliability needed for dependable daily use on site or in the workshop. Use it to replace worn or damaged gearing to recover consistent performance, extend tool life, and keep maintenance simple with a direct, like-for-like replacement.
Key Features:
- Genuine Makita OEM part (MPN 125428-2) for assured compatibility and fit
- Compatible with 8414D, 8434D, and 8444D cordless drill models
- Precision metal gearing for smooth power transfer and reduced vibration
- Durable construction to withstand high torque and frequent use
- Supplied as an integrated unit to simplify replacement and setup
- Helps restore drilling speed, torque stability, and overall tool efficiency
- Manufactured to factory tolerances for dependable alignment and longevity
- Straightforward installation with basic workshop tools to minimise downtime
Typical Applications:
Used to replace worn drive components in Makita cordless drills when symptoms such as grinding noises, intermittent drive, slipping under load, or stalled chuck rotation occur. Suitable for tool servicing in trade, facilities maintenance, and DIY settings, including site repairs, workshop overhauls, and fleet upkeep to keep drilling operations consistent and reliable.
Also known as:
Transmission gear set, reduction gear set, drive gear pack, gearbox cluster, planetary gear pack, internal transmission module, gear train, gearbox repair kit, driveline set, cluster gears.
Fits Models:
8414D, 8434D, 8444D
Alternate Part Numbers:
1254282
Product Specifications
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
