Transform a compact room into a flexible living space with durable king-size Murphy bed hardware kits. This guide highlights top kits designed to lift, secure, and safely store a king mattress while offering strong construction, universal compatibility, and smooth operation. Read on to compare key features, installation considerations, and what to expect from each kit.
| Product | Brand | Key Feature |
|---|---|---|
| Murphy Bed Mechanism Hardware Kit (Universal Size) | Wilding Wallbeds | Supports up to 2,000 lbs; universal sizing |
| Murphy Mounting Wall Springs Mechanism (Vertical) | Happybuy | Heavy-duty springs; adjustable tightness |
| Horizontal Murphy Bed Hardware Kit (King/CA King) | Tlongxia | Hydraulic gas springs; mid-air hover |
| Vertical Murphy Bed Hardware Kit (King/CA King) | Tlongxia | Two-stage gas springs; universal compatibility |
| Premium Murphy Bed Kit, King Horizontal | Create-A-Bed | Adjustable mechanism; lifetime warranty |
Note: Each kit is selected for king-size relevance, durability, and ease of installation. The list below details five strong options that balance lifting force, compatibility, and user guidance for DIY installers.
Wilding Wallbeds Universal King Murphy Bed Mechanism

Built with expert engineering, this kit leverages commercial-grade steel designed to last. It is engineered to support up to 2,000 lbs, making it a robust choice for king beds with heavyweight mattresses. The universal sizing means it fits twin through king configurations, enabling flexible room layouts. Its unique spring mechanism provides the right amount of stored energy for a smooth lift and lower, reducing strain during operation. The kit is positioned as a lifetime-lasting solution from a trusted brand with over two decades of experience in wall bed systems.
Why choose this kit for a king bed?
Heavy-duty construction and a universal fit are the standout benefits. The high weight capacity accommodates high-end king mattresses, while the spring-assisted lift minimizes effort. Installation guidance from the brand supports DIY builders seeking a professional-grade finish.
Happybuy Murphy Mounting Wall Springs Mechanism (Vertical)

This kit focuses on smooth, reliable operation with superior rebound force. It includes nine premium springs and accommodates bed widths typically from 1.2 to 1.8 meters, meaning king and larger configurations can be supported with adjustable spring tension. The package includes steel components with a chromed surface for durability and a copper axis for smooth in-and-out movement. A single-user operation design helps simplify deployment for DIY projects.
Key considerations
Spring count and tension customization are central to achieving comfortable lifting action. While the kit emphasizes heavy-duty support and a vertical orientation, homeowners should verify compatibility with their specific king-sized frame and ensure proper anchoring to wall studs.
Tlongxia Horizontal Murphy Bed Kit (King/CA King)

Designed for horizontal King or California King configurations, this kit includes installation brackets, hinges, springs, and comprehensive hardware. It features a hydraulic system with heavy-duty two-stage gas springs on both ends, providing smooth raise and lower while delivering a hovering mid-air effect. The package also offers design drawings to guide different board thicknesses (3/4, 7/8, and 1 inch) to match various cabinet builds. The kit is marketed to work with most standard bed sizes and customized Murphy bed cabinets.
What makes it suitable for king beds?
Hydraulic assist and mid-air hovering deliver an effortless user experience for larger mattresses. The universal compatibility and included templates simplify the installation process for DIY builders working on horizontal layouts.
Create-A-Bed Queen Size Deluxe Murphy Bed Kit

Although marketed for queen setups, this kit represents Create-A-Bed’s long-standing approach to durable Murphy bed systems. It emphasizes time-tested design, American-made steel, and a detailed, easy-to-follow instruction framework. The kit includes comprehensive documentation such as online instructional videos, illustrated manuals, templates, and bills of materials. It also carries a lifetime warranty, emphasizing long-term reliability as a core value of the product line.
Considerations for king-sized adaptations
While the listing is queen-focused, the craftsmanship and documented support reflect the brand’s reliability and availability of guidance that can benefit larger installations when scaled or adapted with appropriate hardware replacements and framing plans.
Create-A-Bed Premium Murphy Bed Kit King Horizontal

This kit focuses on an adjustable deluxe mechanism that lets users balance the bed’s weight efficiently. The patented system is designed to handle heavier king mattresses, ensuring stable, easy lifting, and secure staying in place. The kit includes all hardware necessary for assembly and emphasizes longevity, backed by a lifetime warranty. It’s positioned as a premium option for builders seeking a high-end finish and durable components that can stand up to frequent use.
What to weigh when choosing
For king configurations, consider weight balancing, ease of lifting, and the warranty. The adjustable mechanism helps tailor the lift to your mattress and bed frame, while the included hardware reduces the need for additional purchases. A long-term warranty also reduces risk in high-use installations.
Buying Guide: King Murphy Bed Hardware Kits
- Weight capacity: King beds with higher-mass mattresses require kits rated for substantial loads. Look for mechanisms with 1,500–2,000+ lbs capacity when possible to ensure safe operation and longevity.
- Spring and gas-lift system: Decide between spring-based or gas-spring (hydraulic) systems. Springs offer strong rebound but may require tuning; gas springs provide smooth, controlled motion and hovering effects, often with multiple stage adjustments.
- Mounting orientation: Horizontal kits are commonly used for wall-mounted frames with wide bed bodies, while vertical kits suit narrow-wall setups. Verify compatibility with room layout and cabinet depth.
- Universal compatibility: If you plan to adapt to different mattress sizes, select kits advertised as universal or easily scalable to king sizes. Check included templates and dimensions.
- Installation resources: Detailed instructions, videos, and templates help reduce DIY risk. Brands offering comprehensive guidance and customer support can save time and prevent errors.
- Durability and warranty: Look for commercial-grade components and a clear warranty. A long-term warranty indicates confidence in material quality and construction.
- Assembly simplicity: Some kits bundle all necessary hardware, brackets, and hinges; others require sourcing additional pieces. Favor complete kits for a smoother build.
- Cabinet integration: Ensure your wall cabinet or frame can be adapted to the kit’s mounting points. Some kits include templates to guide board dimensions and mounting spacing.
- Safety features: Check for locking mechanisms or integrated stoppers to prevent accidental lowering or sudden drops, especially with heavy king mattresses.
Overall, selecting the best king Murphy bed hardware kit depends on balancing weight capacity, lift mechanism preferences, and the ease of installation. Review the included hardware, installation aids, and warranty, and consider how the kit fits your wall space, mattress size, and cabinet design. For long-term use, prioritize proven brands with documented performance in king-size configurations and reliable support resources.