Lawn Mower Transmission Head Assembly for 436 443 543 Trimmer
Lawn Mower Transmission Head Assembly for 436 443 543 Trimmer
Lawn Mower Head Transmission Assembly – Compatible with 436, 443 & 543 Trimmers
Keep your trimmer running at peak performance with this heavy-duty replacement transmission head assembly. Engineered from premium alloy steel, this precision-crafted component delivers smooth, reliable power transfer for efficient cutting in demanding garden and lawn maintenance tasks. Designed as a direct-fit replacement for popular trimmer models, it's the dependable solution to restore your mower's full cutting capability.
Key Features
- Long-Lasting Alloy Steel Construction: Built with high-quality alloy steel for enduring performance in tough mowing conditions, season after season.
- Precision Engineering: Features a precisely designed transmission mechanism for smooth, efficient operation and consistent cutting power.
- Wide Model Compatibility: Direct replacement for trimmer and lawn mower models 436, 443, and 543 — fits a broad range of cutting machines.
- Anti-Reverse Nut Included: Equipped with a reverse-thread nut for secure attachment, preventing loosening during heavy-duty use and simplifying maintenance.
- High-Performance Power Transmission: Designed to handle demanding cutting tasks, reliably transferring power from the engine to the cutting head.
- Multiple Tooth/Screw Configurations Available: Choose from 28/9 Teeth with 1.0 or 1.2 screw, or 28/4 Teeth with 1.2 screw to match your exact trimmer spec.
Specifications
- Material: Alloy Steel
- Compatible Models: 436, 443, 543 Trimmer / Lawn Mower
- Available Sizes: 28/9 Teeth 1.0 screw | 28/9 Teeth 1.2 screw | 28/4 Teeth 1.2 screw
- Quantity: 1 pc
- Country of Origin: Made in China
Package Contents
- 1 × Transmission Head Assembly
- 1 × Set of Accessories
Important Notes
- Actual product color may vary slightly from images due to monitor calibration and lighting conditions.
- Please allow for minor measurement tolerances in stated dimensions.
- Always verify your trimmer's model number and tooth/thread specifications before ordering to ensure a correct fit.
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Frequently Asked Questions
Q: Which trimmer models is this lawn mower transmission head assembly compatible with?
A: This replacement transmission head assembly is compatible with trimmer and lawn mower models 436, 443, and 543. Always cross-reference your machine's model number and the tooth/screw specifications (28/9 Teeth 1.0 screw, 28/9 Teeth 1.2 screw, or 28/4 Teeth 1.2 screw) before purchasing to ensure a proper fit.
Q: What material is this lawn mower head assembly made from?
A: The transmission head assembly is constructed from high-quality alloy steel, providing the durability and strength needed to withstand tough, heavy-duty lawn and garden cutting tasks over extended use.
Q: Does the package include all necessary hardware for installation?
A: Yes. Each package includes 1 transmission head assembly plus a set of accessories (including the anti-reverse nut) to help you complete the installation securely and efficiently.
Q: What does the anti-reverse nut do?
A: The reverse-thread (anti-reverse) nut is engineered to stay tightly secured during operation, preventing the cutting head from loosening under the rotational forces generated during use — ensuring safer, more reliable performance and simpler maintenance.