English 
No.5, East Ningbo Road, Taicang, Jiangsu
The TZQT155-X is a high-performance RV expansion mechanism engineered to enhance living spaces in A, B, C type self-propelled RVs and trailer RVs.
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Designed for seamless integration, this system allows compartments to expand outward when parked, increasing interior space by up to 800mm while maintaining structural integrity. With a focus on durability and functionality, Dongtai's TZQT155-X combines advanced engineering with practical design, ensuring reliable performance across diverse camping environments. Backed by global sales and customization options, it is a versatile solution for modern RV enthusiasts.
The TZQT155-X supports a maximum load of 500Kg, making it suitable for heavy equipment or furniture. To ensure stability, support rollers must be installed at the compartment’s base, distributing weight evenly during expansion.
While the maximum stroke is 800mm, the recommended safe range is 500–650mm to prevent overextension. This balance ensures longevity and reduces stress on mechanical components.
Operating on DC 12V with a 5A current, the mechanism is energy-efficient and compatible with standard RV electrical systems. A 20A fuse at the power input safeguards against overloads, enhancing safety during use.
The system incorporates wiper seals and D-shaped bubble seals on both sides of the expansion box, creating a watertight barrier against rain and debris. This design meets industry standards for outdoor durability.
A water receiving tray and profile at the base divert rainwater away from the RV's interior. This feature ensures no water ingress even during heavy downpours, protecting flooring and electronics.
Dongtai offers brand-specific customization (e.g., wheelbase, track, size), allowing seamless integration with various RV models. Optional telescopic canopies further enhance waterproofing, with adjustable rain cloth widths to suit user needs.
The TZQT155-X is ideal for RV owners seeking to maximize living space without compromising mobility. Its applications include:
Expanding bedrooms or living areas in self-propelled RVs.
Increasing cargo capacity in trailer RVs during stationary use.
Enhancing comfort in compact layouts, such as converting dinettes into larger seating areas.
The mechanism's lightweight design (~10Kg) minimizes added weight, making it suitable for both short weekend trips and long-term travel.
Q1: Is professional installation required for the TZQT155-X?
A: While installation guidelines are provided, professional fitting is recommended to ensure proper alignment and safety. Dongtai offers technical support for customization and setup.
Q2: Can the mechanism handle extreme weather conditions?
A: Yes. The dual-seal system and corrosion-resistant materials ensure performance in rain, snow, or high humidity. Regular lubrication of moving parts is advised for optimal longevity.
Q3: What is the warranty coverage for the TZQT155-X?
A: Dongtai provides a standard 2-year warranty covering manufacturing defects. Extended warranties may be available for commercial applications.
Q4: How does the customization process work?
A: Customers must submit detailed parameters (wheelbase, track, size) for precise adaptation. Dongtai's engineering team ensures compatibility with specific RV models, delivering tailored solutions within 4–6 weeks.
Q5: Are there weight restrictions for items placed on the expanded compartment?
A: The 500Kg load capacity applies to the mechanism itself. However, RV manufacturers’ weight limits for the vehicle's overall structure must also be considered to avoid overloading.
Designed for seamless integration, this system allows compartments to expand outward when parked, increasing interior space by up to 800mm while maintaining structural integrity. With a focus on durability and functionality, Dongtai's TZQT155-X combines advanced engineering with practical design, ensuring reliable performance across diverse camping environments. Backed by global sales and customization options, it is a versatile solution for modern RV enthusiasts.
The TZQT155-X supports a maximum load of 500Kg, making it suitable for heavy equipment or furniture. To ensure stability, support rollers must be installed at the compartment’s base, distributing weight evenly during expansion.
While the maximum stroke is 800mm, the recommended safe range is 500–650mm to prevent overextension. This balance ensures longevity and reduces stress on mechanical components.
Operating on DC 12V with a 5A current, the mechanism is energy-efficient and compatible with standard RV electrical systems. A 20A fuse at the power input safeguards against overloads, enhancing safety during use.
The system incorporates wiper seals and D-shaped bubble seals on both sides of the expansion box, creating a watertight barrier against rain and debris. This design meets industry standards for outdoor durability.
A water receiving tray and profile at the base divert rainwater away from the RV's interior. This feature ensures no water ingress even during heavy downpours, protecting flooring and electronics.
Dongtai offers brand-specific customization (e.g., wheelbase, track, size), allowing seamless integration with various RV models. Optional telescopic canopies further enhance waterproofing, with adjustable rain cloth widths to suit user needs.
The TZQT155-X is ideal for RV owners seeking to maximize living space without compromising mobility. Its applications include:
Expanding bedrooms or living areas in self-propelled RVs.
Increasing cargo capacity in trailer RVs during stationary use.
Enhancing comfort in compact layouts, such as converting dinettes into larger seating areas.
The mechanism's lightweight design (~10Kg) minimizes added weight, making it suitable for both short weekend trips and long-term travel.
Q1: Is professional installation required for the TZQT155-X?
A: While installation guidelines are provided, professional fitting is recommended to ensure proper alignment and safety. Dongtai offers technical support for customization and setup.
Q2: Can the mechanism handle extreme weather conditions?
A: Yes. The dual-seal system and corrosion-resistant materials ensure performance in rain, snow, or high humidity. Regular lubrication of moving parts is advised for optimal longevity.
Q3: What is the warranty coverage for the TZQT155-X?
A: Dongtai provides a standard 2-year warranty covering manufacturing defects. Extended warranties may be available for commercial applications.
Q4: How does the customization process work?
A: Customers must submit detailed parameters (wheelbase, track, size) for precise adaptation. Dongtai's engineering team ensures compatibility with specific RV models, delivering tailored solutions within 4–6 weeks.
Q5: Are there weight restrictions for items placed on the expanded compartment?
A: The 500Kg load capacity applies to the mechanism itself. However, RV manufacturers’ weight limits for the vehicle's overall structure must also be considered to avoid overloading.
