Products Description
CG430 Gear Case 28mm x 9T – Direct Replacement Gearbox for Brushcutters
Precision Angle Drive for 43cc–52cc Brushcutters
This 28mm x 9T gear case is a direct replacement gearbox for CG430, CG520, and compatible 43cc–52cc brushcutters. The gear case is the angle drive unit that transfers power from the drive shaft to the cutting attachment, making it essential for efficient cutting performance. The 28mm specification refers to the drive shaft tube diameter, while 9T indicates the number of splines on the internal drive shaft .
Technical Profiles & Materials
OEM-Spec Replacement Fitment – Designed to meet original equipment specifications for CG430 and CG520 brushcutters. This gear case directly replaces the factory angle drive unit on 43cc and 52cc brushcutter models .
Precision 28mm x 9T Specification – Engineered for a 28mm drive shaft tube with a 9‑spline (9T) internal configuration, ensuring precise engagement with the drive system and efficient power transfer to the cutting head .
Broad Model Compatibility – Fits a wide range of 43cc and 52cc brushcutters, including CG430, CG520, BC430, BC520, 40‑5, 44‑5, TL43, TL52, and compatible models from the 1E40F‑5 and 1E44F‑5 engine platforms . Also compatible with EMAS models featuring 28mm drive shafts .
Durable Metal Construction – Manufactured from robust metal alloys designed to withstand the high torque, vibration, and impact stresses of professional landscaping and grounds maintenance applications.
Easy Installation – Direct bolt‑on replacement requiring basic hand tools. The gear case is supplied as a complete assembly for straightforward installation.
Additional Configuration Options – Also available in 26mm tube diameter or 7T spline configurations to suit different model requirements .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Drive Tube Diameter | 28mm |
| 2 | Spline Count | 9T (9 teeth) |
| 3 | Compatible Engines | 43cc (1E40F‑5), 52cc (1E44F‑5) |
| 4 | Engine Displacement | 42.7cc – 51.7cc |
| 5 | Engine Power | 1.25kW – 1.47kW @ 6500–8500 RPM |
| 6 | Compatible Models | CG430, CG520, BC430, BC520, 40‑5, 44‑5, TL43, TL52 |
| 7 | Ignition System | CDI (digital coil) |
| 8 | Material | Metal alloy |
| 9 | Unit of Sale | 1 complete gear case assembly |
Products Application
Brushcutter Gearbox Replacement
Direct replacement when the original gear case becomes worn, noisy, or fails to transfer power to the cutting attachment. Common symptoms include grinding noises, excessive vibration, or the cutting head not rotating. This gear case restores full cutting function for landscaping and grounds maintenance equipment.
Workshop & Repair Service
For repair centers servicing CG430, CG520, and compatible brushcutters, this gear case simplifies repairs by providing a complete drop‑in replacement. The 28mm x 9T configuration is standard for the CG430/CG520 platform .
Preventative Maintenance
For landscaping contractors and grounds maintenance crews, keeping a replacement gear case on hand minimizes downtime. Proactive replacement extends the service life of the drive system and cutting attachment.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FOR 10000+ OUALITY PARTS
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FAQ
Q: How do I confirm this gear case fits my brushcutter?
A:Check your machine model number on the identification plate and measure your drive shaft tube diameter (28mm). This gear case fits CG430, CG520, and compatible 43–52cc brushcutters. The 9T spline configuration is standard for 28mm shafts on this platform .
Q: What is the difference between 7T and 9T gear cases?
A: The "T" refers to the number of splines (teeth) on the internal drive shaft. The CG430/CG520 platform offers both 7T and 9T options. Different models may require different spline counts – always match your existing gear case configuration .
Q: Is the gear case supplied as a complete assembly?
A: Yes, the gear case is supplied as a complete angle drive unit, ready for installation. The 28mm x 9T configuration is designed to match original equipment specifications .
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