Description
Overview:
The Gearbox Support Plate is a genuine Altrad/Belle component designed for the main frame of Belle Minimix mixers, providing solid, long‐term support for the gearbox assembly. Built from durable steel with a protective finish, it helps keep the gearbox correctly aligned under load, reducing vibration and preventing frame distortion. This ensures smoother operation and protects connected components during daily use on site. Engineered for a precise fit on the Belle Minimix 150 and Minimix 140, it installs neatly into the existing frame layout without modification. Identified as OEM No. 900/99931 and shown as Picture Key #11 in parts diagrams, it is a dependable replacement for worn or damaged plates on petrol or electric units, helping restore mixer performance and reliability.
Key Features:
- Genuine Altrad/Belle part for assured compatibility and build quality
- OEM reference 900/99931 for accurate identification and ordering
- Specifically fits the Belle Minimix 150 main frame and Minimix 140
- Heavy‐duty steel construction for strength and long service life
- Protective coated finish to resist corrosion and site wear
- Maintains gearbox alignment to reduce vibration and stress
- Supports the main frame around the gearbox, helping prevent fatigue
- Factory‐correct mounting hole pattern for a straightforward fit using existing fixings
- Helps extend the life of the gearbox and related drivetrain parts
- Identified as Picture Key #11 for quick lookup in parts diagrams
- Suitable for use on both petrol and electric versions of the mixers
- Simple to fit with standard hand tools, minimising downtime
Typical Applications:
Used to replace a bent, cracked, or corroded gearbox support on Belle Minimix site mixers. Common during routine overhauls, after impact damage, or when excessive vibration indicates loss of gearbox alignment. Ideal for general building, concreting, landscaping, and small works where dependable mixer performance is required day after day.
Also known as:
Gearbox mounting plate, mixer gearbox bracket, gearbox stay, frame support bracket, mixer frame plate, transmission support plate, mixer gearbox support. These terms describe the same function: a rigid plate that secures and braces the gearbox within the mixer's main frame to maintain correct running.
Fits Models:
150, Minimix 140, Minimix 150
Product Specifications
| L&S Part No. | 900/99931 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Altrad Belle |
| OEM No. | 900/99931 |
| Unit of Sale | 1 |
| Machine Type | Concrete Equipment |
| Key Features | - Genuine Altrad/Belle part ensures compatibility with Belle Minimix mixers - Fits Belle Minimix 150 and Minimix 140 models - Heavy-duty steel construction for durability - Protective coated finish resists corrosion - Maintains gearbox alignment, reducing vibration and stress |
| Fits Models | Minimix 150 | Minimix 140, 150 (Pre 1999) |


