Engine Jack Crane 3T
A 3-ton (3T) Jack Engine crane refers to a wide range of lifting equipment designed to handle loads up to 3,000 kilograms (6,614 lbs). Because "3T" specifies only the weight capacity, the ideal equipment depends entirely on your workspace, mobility needs, and the specific material you need to lift.
Description
Engine Jack Crane 3T
A 3-ton (3T) Jack Engine crane refers to a wide range of lifting equipment designed to handle loads up to 3,000 kilograms (6,614 lbs). Because "3T" specifies only the weight capacity, the ideal equipment depends entirely on your workspace, mobility needs, and the specific material you need to lift.
Core Features by Category
1. Shop & Engine Cranes (Workshops & Garages)
- Telescopic Boom: Features a 4-position extendable arm. Note: Lifting capacity drops (e.g., to 1 ton) when the arm is fully extended.
- Space-Saving Design: Many models utilize a foldable legs structure for easy upright storage against garage walls.
- Safety Integration: Equipped with automatic bypass overload protection valves to prevent structural failures if over-torqued.
2. Mini Crawler & Spider Cranes (Confined Construction & Glazing)
- Outrigger Interlock System: Electronic sensors prevent the main boom from operating unless the stabilizing outriggers are properly deployed on the ground.
- Dual-Fuel Versatility: Powered by an eco-conscious diesel engine for outdoor travel and a clean electric motor plug-in for interior floor operations.
- Advanced Monitoring: Digital feedback remote control units and Programmable Moment Limiters (LMI) monitor real-time safe load weight profiles
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3. Overhead & Gantry Cranes (Factories & Warehouses)
- Variable Speed Drives (VFD): Offers dual-speed or inverter-controlled hoisting and travel speeds to limit load swing and sway.
- Structural Material Options: Built from high-grade carbon steel for manufacturing floors, or structural aluminum for lightweight, portable field configurations.
- Flexible Control Schemes: Operated via ergonomic wired pendant buttons, cabin controls, or wireless radio remote controls for safer floor vantage points.
Specification
| Specification Category | Parameter | Standard Value / Measurement |
|---|---|---|
| Performance | Working Load Limit (WLL) | 3 Tons / 3,000 kg / 6,600 lbs |
| Proof Test Load | 45 kN / 4,500 kg (1.5x Rated Capacity) | |
| Effort Required to Lift Max Load | 332 N to 370 N (approx. 34–38 kg of pull force) | |
| Number of Load Chain Falls (Strands) | 1 or 2 strands (usually 2 falls for safety distribution) | |
| Braking System | Automatic Weston-style dual-pawl mechanical brake | |
| Sizing & Weight | Standard Lift Heights | 3 meters (10 ft) or 6 meters (20 ft) |
| Headroom (Min. Hook-to-Hook Distance) | 480 mm – 520 mm (18.9" – 20.5") | |
| Hook Throat Opening | 38 mm – 42 mm (1.50" – 1.65") | |
| Net Weight (with 3m Lift) | 21 kg – 26 kg (46.2 lbs – 57.2 lbs) | |
| Added Weight per Meter of Extra Lift | ~2.2 kg to 2.8 kg per additional meter | |
| Chain Specifications | Load Chain Diameter | 7.1 mm to 8.0 mm |
| Load Chain Grade | Grade 80 (G80) or Grade 100 Alloy Steel | |
| Hand Chain Diameter | 5.0 mm | |
| Materials & Build | Housing Shell | Rugged steel construction with multiple through-bolts |
| Hooks | Drop-forged steel with 360° swivel & safety latches | |
| Internal Gears | Triple-spur heat-treated steel gears with roller bearings | |
| Operating Temperature Range | -40°C to +60°C (-40°F to 140°F) | |
| Regulatory Certifications | CE, GS, ISO9001, EN13157 |
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