Description
Overview:
The Honda GXH50U - QXB4 Engine is a compact, air‐cooled 4‐stroke petrol engine built for dependable power in small construction and garden machinery. This genuine part is a common replacement choice for the Belle Minimix 150 and other equipment that accepts the GXH50 footprint. It uses a durable forged steel crankshaft running in ball bearings within a rigid alloy crankcase, with a metal shroud and a heavy‐duty recoil starter for long service life. A keyed 15.8 mm (0.62 in) output shaft provides secure drive coupling. The overhead valve (OHV) layout, precision camshaft and efficient, multi‐chamber exhaust help deliver smooth performance with low fuel use and reduced noise. Designed for easy starting, low maintenance and reliable day‐to‐day operation. Genuine Part.
Key Features:
- Genuine Honda specification for reliability and parts support
- Keyed 15.8 mm (0.62 in) PTO shaft for positive drive on mixer pulleys and couplings
- OHV design and precision camshaft for efficient power delivery
- Forged steel crankshaft with ball‐bearing support for durability and smooth running
- Rigid crankcase and lightweight components to minimise mechanical noise
- Large capacity, multi‐chamber exhaust system for quieter operation on site
- Heavy‐duty recoil starter and automatic mechanical de‐compression for easy starts
- Fuel‐efficient tuning to reduce running costs across long shifts
- CARB and EPA compliant emissions system
- Large fuel tank and easily accessible spark plug for straightforward maintenance
- Robust air cooling and metal shrouding for sustained performance in dusty conditions
- Suitable form factor for direct replacement on Belle Minimix 150 and other GXH50‐based equipment
Typical Applications:
Commonly used as a direct replacement engine on the Belle Minimix 150 for mixing concrete and mortar in construction, landscaping and maintenance work. Also suitable for other small plant and garden machinery designed for the GXH50 mounting pattern and keyed 15.8 mm (0.62 in) shaft, where dependable starting, low vibration and consistent output are required by tradespeople, hire fleets and DIY users.
Also known as:
GXH50U QXB4 spec engine for small mixers, Honda Mini 4‐Stroke mixer engine, keyed 15.8 mm (0.62 in) PTO shaft variant, replacement engine unit for Belle Minimix applications, compact OHV petrol engine for light construction equipment.
Fits Models:
GXH50, Minimix 150
Product Specifications
| L&S Part No. | GXH50 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Altrad/Belle |
| OEM No. | 20/0037 |
| Unit of Sale | 1 |
| Applications | GXH50, Minimix 150 |
| Machine Type | Mixers |
| Fits Brands | Belle |
| Fits Models | Minimix 150 | GXH50 (GCAL) |
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