Overview
Le QT4-30 est une machine de moulage de blocs de béton à moteur diesel équipée d'un moteur diesel de marque CHANGCHAI Construite à l'aide de techniques de soudage de haute qualité en acier et de précision, la machine est dotée d'un système hydraulique capable de pressions allant jusqu'à 15 MPa, permettant la production de blocs et pavés de haute densité et de haute qualité.
This equipment operates without the need for an electrical grid, making it ideal for remote areas with power shortages or unstable electricity supply. It is compact and portable, features an electric-start engine for easy operation, and requires only 1–2 workers to manage production.
Thanks to its independence from the power grid, low investment cost, and strong adaptability, the QT4-30 diesel brick machine is highly popular in regions such as Africa and South America.
Key Advantages
1. No electricity required; independent of the power grid: Powered by a diesel engine, it requires no electricity, making it ideal for remote areas and construction sites with power shortages or unstable grids.
2. Hydraulic system ensures high product quality: With a hydraulic system pressure of 15–16 MPa, it produces high-density, high-quality masonry blocks and paving bricks.
3. Versatile production: Simply by changing molds, the machine can produce various brick types, including hollow blocks, solid bricks, pavers, interlocking blocks, and curbstones.
4. Easy operation and low labor requirements: Production can be handled by just 1–2 workers; the electric-start engine ensures convenient operation.
5. High quality and durability: Constructed using high-grade steel and precision welding techniques; equipped with a diesel engine from a renowned brand like Changchai (with over 80 years of manufacturing experience) for a long service life.
7. Low investment and quick return: Moderately priced (approx. US$4,500–5,500) with excellent cost-performance value, allowing for a rapid return on investment.
Brick Types Produced
By simply changing molds, the QT4-30 can produce a wide range of brick types
• Hollow blocks: 400×200×200mm, 400×150×200mm, 400×100×200mm
• Standard bricks: 240×115×53mm
• Paving bricks/pavers: Various specifications
• Interlocking blocks: 225×112.5×60mm, 300×150×100mm, etc.
• Custom brick types: Molds can be customized according to client requirements.






