Description
Overview:
This gear case is a replacement housing for the lower drive end of Robin brushcutters, engineered to suit the NB351 and NB411 models. It encloses and supports the bevel gears that turn the drive from the straight shaft to the cutting head, helping to maintain smooth power transfer and reliable cutting. Built from durable metal, the housing is designed to cope with impacts, vibration and debris encountered during regular brushcutting. It helps keep gears, bearings and seals correctly located and protected, extending service life and reducing downtime. As a direct-fit component made to match the original specification, it allows a straightforward swap when the original case is cracked, worn or noisy. Reference OEM No. 641-30020-00 for identification and compatibility with the intended machines.
Key Features:
- Durable metal housing for long service in demanding brushcutting conditions
- Direct-fit replacement that matches the original specification on NB351 and NB411
- Protects bevel gears, bearings and seals from impact, dust and debris
- Helps restore smooth, efficient drive to the cutting head
- Assists in reducing vibration and gear noise caused by worn housings
- Maintains correct gear alignment for consistent performance and longevity
- Designed for straightforward installation using standard workshop tools
- Replaces OEM No. 641-30020-00 for easy cross-referencing
- Suitable for preventative maintenance or repair of damaged gear heads
- Compatible with the standard brushcutter heads used on these models
Typical Applications:
Used to replace a damaged, cracked or worn gear head on Robin NB351 and NB411 brushcutters working in landscaping, grounds maintenance and agriculture. Suitable for machines clearing grass, scrub and brambles on verges, estates and building sites. Helps maintain reliable operation in hire fleets and contractor equipment where regular servicing and quick turnaround are important.
Also known as:
Brushcutter gear head, bevel gearbox, angle gearbox, lower gear housing, gear head case, Robin gear housing, brushcutter gearbox case. These terms refer to the same component that houses the bevel gears at the cutting end of the machine.
Fits Models:
NB351, NB411
Alternate Part Numbers:
641-30020-00, 6413002000
Product Specifications
| L&S Part No. | RB641 30020 00 |
|---|---|
| Unit of Sale | 1 |
| Machine Type | Brushcutters |
| Fits Brands | Robin |
| Key Features | - Direct-fit replacement for Robin NB351 and NB411 brushcutters - Durable metal housing withstands impacts and vibration - Protects gears, bearings, and seals from debris - Maintains correct gear alignment for longevity - OEM No. 641-30020-00 for easy identification and compatibility |

