Hydraulic Cabin Cylinder 5000790046 for RENAULT
Product Overview
This lifting cylinder, a dedicated component for Renault trucks, is precisely matched to their cab lifting system. Its core function is to achieve smooth raising and lowering of the cab via hydraulic drive. Since Renault truck engines are typically located directly under the cab, this lifting cylinder can easily raise the cab to a safe height and securely lock it in place when maintenance is required on the engine, transmission, and various pipelines. This completely eliminates the space constraints inherent in traditional maintenance work, allowing maintenance personnel easy access to all critical components under the cab, significantly improving maintenance efficiency and operational safety.
Product Features
In terms of sealing performance, the product uses imported sealing materials from Germany, primarily employing fluororubber substrates that combine high-temperature resistance, wear resistance, and corrosion resistance, combined with precision seals manufactured using advanced production processes from Taiwan's Wolding Group. The sealing structure features a multi-layered dustproof and leak-proof design. The outer dustproof ring effectively blocks road dust, sand, and rainwater intrusion, while the inner sealing ring automatically enhances the sealing effect based on hydraulic oil pressure. Even under high pressure, vibration, and extreme temperature and humidity environments, it maintains the integrity and flexibility of the sealing film, eliminating hydraulic oil leakage problems and ensuring the long-term stability and reliability of the sealing structure.
Safety is the core design focus of this lifting cylinder, featuring a new dual-hydraulic-controlled check valve structure. This design, known as a "hydraulic lock," enables bidirectional interlocking of both chambers of the hydraulic cylinder. When the lifting cylinder drives the cab upwards, pressurized oil pushes the check valve core to open, ensuring a smooth and controllable lifting process. Once the target height is reached, the valve core automatically closes the oil circuit under spring force, firmly locking the cab in its current position. Even in the event of sudden fluctuations in oil circuit pressure, it completely prevents the cab from accidentally falling. This structural design eliminates the risk of equipment displacement for maintenance personnel working under the cab, fundamentally ensuring safety throughout the entire lifting process.
To cope with the continuous relative vibration between the chassis and cab during truck operation, the lifting cylinder underwent rigorous durability testing, including 60 million cycles of servo testing to simulate the actual working conditions of a truck under various road conditions, covering complex scenarios such as high-frequency start-stop cycles and bumpy vibrations. Test data shows that...
With its advantages in adaptability and reliability, this lifting cylinder has a strong market competitiveness. It can not only meet the needs of traditional truck application scenarios such as logistics transportation and engineering construction, but also be finely adjusted according to the special requirements of different industries to adapt to Renault truck models in special working conditions such as mining and cold chain.
Specifications
| diameter1 | 50 |
| diameter2 | 28 |
| bore1 | GE17ES |
| bore2 | GE17ES |
| length | 545 |
| stroke | 335 |
| tolerance | |
| thread size1 | M12*1 |
| thread size2 | M12*1 |
| pressure | 250 |













