Underhung Overhead Crane 4 Ton S5m H5m, NLX Ceiling Mounted Crane

A ceiling mounted crane — also called a ceiling mounted bridge crane, underslung crane, or suspension crane — is suspended from the building's roof or ceiling structure, while a floor-supported overhead crane relies on runway support columns anchored to the floor. The key differences:

• No floor columns: A ceiling mounted bridge crane leaves the entire floor area free, which is critical in facilities with limited floor space or complex processes
• Maximized hook height: Because the crane runs on the bottom flange of the runway beam, it uses the building's vertical space more efficiently in low-headroom buildings
• Better hook approach: The hook can travel closer to the wall and to the runway ends than with a top-running crane
• Lighter runway structure: Ceiling suspended runway systems are significantly lighter than top-running systems
• Building structure dependency: The roof or ceiling structure must be able to support the crane, hoist, runway beam, and rated load

If the building's ceiling structure is not strong enough, a freestanding support structure with steel columns can be used instead. Consult Yuantai Cranes to determine the right configuration for your facility.

The NR electric hoist with hoist VFD is specified for this ceiling mounted bridge crane because:

• Smooth, stepless lifting: The hoist VFD (0.8/5.0 m/min) gives smooth acceleration and deceleration for precise load placement
• Compact design: The NR hoist is compact and fits the underslung crane envelope, maximizing hook height
• Higher duty capability: NR electric hoists handle more cycles per hour than basic hoists at the same capacity
• Easy maintenance: The NR design allows easier inspection and servicing of the hoist, motor, and brake
• Proven reliability: NR hoists are widely used in ceiling mounted cranes and suspension cranes for light-to-medium duty

The NR electric hoist with hoist VFD is matched to the 4t capacity, 5m lifting height, and 1.0~10 m/min hoist travel speed for this application.

Seven numbers on this ceiling mounted crane drawing must match your workshop, or the crane will not fit or operate correctly:

If any of these differ from your workshop, tell Yuantai before ordering — each change affects price and lead time on the ceiling mounted crane.

150~400mm rail width is specified for this ceiling mounted crane because:

• Wheel diameter Ø160mm — the wheel is designed to run on 150~400mm rail width
• 4t capacity and 5m span: The load moment requires a rail with sufficient head width and web thickness
• Suspension crane design: The rail must support the end truck running on the bottom flange
• Standard availability: 150~400mm rail width is common for underslung cranes, easy to source and replace
• Long service life: 150~400mm rail is standard for 4t suspension cranes in continuous use

Do not substitute a narrower rail without recalculating the wheel load and dynamic forces. The Ø160mm wheel and 4t capacity require 150~400mm rail width or equivalent.

No — this ceiling mounted crane is configured for indoor workshop use as a ceiling mounted bridge crane, underslung crane, or suspension crane. The crane runs on elevated runway rails supported by the building structure. Outdoor use would require:

• Different crane type — a gantry crane with ground rails and A-frame legs is more suitable for outdoor use
• Weather protection — outdoor electrical enclosures (IP55+) and anti-corrosion treatment
• Wind load design — anti-wind devices and anchoring for outdoor wind exposure

For outdoor applications, consult Yuantai Cranes for a suitable gantry crane solution.

To avoid surprises at installation, these items are outside the ceiling mounted crane supply scope unless you specifically add them:

• Runway rail (150~400mm) and rail fasteners
• Ceiling suspension rods, tube brackets, or mounting hardware
• Ceiling, roof, or truss reinforcement for the 29.8 kN wheel load
• Building structural support for the ceiling mounted crane wheel load
• Site power supply up to the crane isolator
• Erection crane and site lifting equipment
• Local electrical connection and permits

Because the ceiling mounted crane is suspended from the roof or ceiling structure, the ceiling structure is critical — the roof trusses or ceiling beams must support the 29.8 kN wheel load. Yuantai can provide runway load drawings and ceiling suspension specifications as optional items.

Send these ten items and Yuantai will issue a free custom ceiling mounted crane CAD drawing and proposal within 24 hours:

1. Required lifting capacity (t) — e.g., 4t
2. Crane span (m) — e.g., 5m
3. Required lifting height (m) — e.g., 5m
4. Rail width (mm) — e.g., 150~400mm
5. Number of ceiling mounted cranes required (e.g., 1 unit)
6. Ceiling or roof structure details (truss spacing, beam capacity, mounting method)
7. Power supply (V / Hz / Ph) — e.g., 3P 380V 50Hz
8. Duty class — e.g., A5
9. Lifts per hour or hours per day (duty)
10. Control preference: pendant, wireless, cabin, or both

The more complete the list, the faster and more accurate the ceiling mounted crane drawing and quote.

This published ceiling mounted crane drawing and 3D rendering are a free technical reference — you may use them to plan your workshop and check fit. A project-specific ceiling mounted crane GA drawing and 3D model are also free for standard configurations. A design fee may apply only for complex workshop conditions, non-standard spans, or specialized customization engineering. The ceiling mounted crane drawing remains the property of Yuantai Cranes: unauthorized copying, use, or manufacturing without written authorization is strictly prohibited.