The HK300 is a powerful 3.0-ton class compact miniature crane engineered for lifting projects in the most confined and demanding work areas . Ideal for glass installations, cladding, steel erection, and more, it combines exceptional lifting capacity with a compact footprint. With a maximum working radius of 9.2m and a lifting height of 10.2m, it delivers outstanding reach and versatility for complex indoor and outdoor tasks.
HK300 Mini Spider Crane
The HK300 compact miniature crane offers unrivaled lifting capacity in its class, specifically designed for challenging projects in the tightest work areas . Whether it’s precise glass installation, handling heavy cladding panels, or positioning steel structures in confined sites, the HK300 is built to perform.
The machine is mounted on a robust double-track chassis with “spider-type” outriggers, ensuring exceptional stability even at its maximum working radius of 9.2 meters (handling up to 0.5 tons) . It can achieve a maximum lifting height of 10.2 meters, making it suitable for multi-story applications .
A key feature of the HK300 is its dual-power system, equipped with both a diesel engine and an electric motor . This allows for flexible operation—using the diesel engine for outdoor or remote sites and switching to the quiet, emission-free electric motor for indoor use. Power is managed via an integrated distribution box.
Standard equipment includes a comprehensive safety and control package: proportional valves and proportional remote control for precise, smooth operation; an EMO (Emergency Stop) switch; multiple alarms and automatic stop devices; and a three-mode interlock system for safe operation .
| Parameter | Specification |
|---|---|
| Model | HK300 |
| Rated Capacity | 3.0 Tons |
| Machine Weight | 2,800 kg |
| Overall Dimensions (L×W×H) | 3,450 × 950 × 1,700 mm |
| Max. Lifting Height | 10.2 m |
| Max. Working Radius | 9.2 m (at 0.5T capacity) |
| Undercarriage | Double-track chassis with spider-type outriggers |
| Power System | Diesel Engine + Electric Motor (with distribution box) |
| Control System | Proportional Valve and Proportional Remote Control |
🔹 Unrivaled Lifting Capacity in a Compact Frame
With a 3.0-ton capacity in a machine only 1.7m tall and 0.95m wide, the HK300 delivers heavyweight performance in spaces where larger cranes cannot go.
🔹 Dual-Power System for Ultimate Flexibility
The combination of a diesel engine and an electric motor allows seamless operation both outdoors and inside buildings, providing power where needed and quiet, emission-free operation where required.
🔹 Extended Reach for Complex Projects
Achieve a maximum lifting height of 10.2m and a working radius of 9.2m, making it capable of handling tasks like upper-floor glazing and cladding installation on multi-story buildings.
🔹 Spider-Type Outriggers for Exceptional Stability
The “spider” outriggers create a wide, stable support base, ensuring safety and precision when lifting heavy loads at maximum radius.
🔹 Precision Proportional Remote Control
The proportional valve system combined with proportional remote control gives operators smooth, fine-tuned command over all crane movements, essential for delicate tasks like glass installation.
🔹 Comprehensive Multi-Layered Safety
Built with redundant safety systems including outrigger off-ground alarm/auto-stop, hook anti-decoupling device, EMO switch, and a three-mode interlock system to prevent unsafe operations.
🔹 Robust Hydraulic System Protection
Extra hydraulic filters and balance valves on luffing and telescopic functions ensure long system life, reliability, and smooth, controlled load handling.
🔹 All-Weather and Indoor-Outdoor Readiness
Equipped with black rubber tracks for floor protection and a three-color warning lamp, it is ready for safe operation on sensitive indoor floors and outdoor job sites alike.
✅ Curtain Wall & Cladding Installation: Precisely positioning heavy glass panels, aluminum composite panels, and stone cladding on building exteriors.
✅ Steel Structure Erection: Lifting and placing steel beams, columns, and framing members in confined urban construction sites.
✅ Industrial Plant Maintenance: Handling heavy machinery components, motors, and equipment during installation or repair inside factories.
✅ HVAC & MEP Installation: Hoisting large air handling units, chillers, and ductwork onto rooftops or through limited-access mechanical rooms.
✅ Interior Atrium Construction: Working within building atriums to install skylights, lighting fixtures, or decorative elements with limited floor space.
✅ Bridge & Infrastructure Repair: Assisting in repairs from below or on confined bridge decks where access is restricted.
✅ Museum & Exhibition Setup: Carefully lifting and placing heavy exhibits, artifacts, or structural elements in sensitive indoor environments.
✅ Historic Building Renovation: Accessing and lifting materials into heritage structures through narrow passages and low doorways.