When it comes to efficient material handling in workshops, warehouses, and production lines, a 3-ton jib crane offers a compact, flexible, and cost-effective solution. Dongqi Crane, a professional hoisting equipment manufacturer, provides two main types of 3-ton jib cranes: pillar-mounted (fixed) and mobile (movable), catering to different operational needs.

This article details the technical specifications, design features, applications, and pricing comparisons of our 3-ton jib cranes to help you make an informed decision.

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Advantages & Applications of 3-Ton Jib Cranes

Key Benefits of Dongqi 3-Ton Jib Cranes:
✔ 360° Full Rotation – Wider working coverage
✔ Two Installation Types – Pillar-mounted (fixed) / Mobile (movable)
✔ Low Headroom Design – Ideal for height-restricted facilities
✔ Electric/Manual Rotation Options – Flexible for different usage frequencies

Typical Applications

• Machining Workshops – Handling machine parts, molds
• Assembly Lines – Repetitive material transfer
• Warehousing & Logistics – Loading/unloading goods in containers (mobile type)
• Equipment Maintenance – Assisting in repairs as an alternative to overhead cranes

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Detailed Technical Comparison: 3-Ton Jib Cranes

1. Pillar-Mounted Jib Crane (Model DQ-PJ3)

Structural Features:

• Foundation Requirement: Requires 800mm×800mm concrete foundation (M24 anchor bolts)
• Rotation Mechanism:
  • Standard: Manual rotation with slewing bearing (360° continuous)
  • Optional: Motorized rotation (0.15kW, 1rpm)
• Boom Construction:
  • Box-type welded steel structure (Q345B material)
  • Standard surface treatment: Sandblasting + epoxy paint (80μm)

Performance Parameters:

Parameter	Specification
Rated Capacity	3,000kg (SWL)
Boom Length	3-8m (in 0.5m increments)
Lifting Height	2-6m (adjustable column)
Duty Class	FEM 1Am (ISO A3) standard
Operating Temp	-20°C to +50°C
Relative Humidity	≤95% (non-condensing)

Optional Accessories:

• Radio remote control system
• Anti-collision devices
• LED work area lighting
• Digital load moment indicator

2. Mobile Jib Crane (Model DQ-MJ3)

Mobility System:

• Wheel Configuration:
  • 4x polyurethane wheels (Ø250mm)
  • 2 fixed + 2 swivel (with brake)
  • Load capacity: 5,000kg per wheel
• Track Options:
  • Steel rail (QU70 standard)
  • Aluminum track (for clean rooms)
• Power Supply:
  • Cable reel (50m standard)
  • Festoon system (up to 100m)

Technical Specifications:

Parameter	Specification
Travel Speed	15-20m/min (variable frequency)
Gradeability	≤3° (unloaded), ≤1° (loaded)
Minimum Turning Radius	3.5m
Power Requirement	380V/50Hz/3-phase
IP Rating	IP54 (standard), IP65 (optional)

Safety Features:

• Dual-limit overload protection
• Emergency stop button
• Anti-tip stability system
• Warning lights and alarms

Comparison Summary:

Feature	Pillar-Mounted	Mobile
Installation Time	2-3 days	4-8 hours
Max Span	8m	6m
Relocation	Not possible	<1 hour
Ideal Duty Cycle	Continuous operation	Intermittent use
Wind Resistance	Up to 60m/s	Up to 20m/s
Maintenance	Annual inspection	Quarterly inspection

Note: All specifications comply with ISO 4301, FEM 9.511, and GB/T 3811 standards. Custom configurations available for special applications.

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Case Study – Automotive Parts Manufacturer

Requirements:

• Transporting engine components (≤3 tons) between multiple assembly stations
• Low ceiling height (5m), unsuitable for bridge cranes

Solution:
Dongqi Mobile 3-Ton Jib Crane (Electric Travel Type) with:

• 4m boom length + electric chain hoist
• Rail system covering 6 workstations

Results:
➠ 40% increase in handling efficiency (replaced forklifts)
➠ ROI achieved in just 8 months

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Transparent Pricing & Comprehensive Service Commitment

Detailed Pricing Structure

1. Pillar-Mounted 3-Ton Jib Crane (DQ-PJ3 Series)

• Base Configuration: $5,200-$8,500
  • Includes: Manual rotation, 4m boom, 3-ton chain hoist, standard paint
• Premium Configuration: $7,800-$12,000
  • Includes: Motorized rotation (0.15kW), 6m boom, 3-ton wire rope hoist, epoxy coating
• Customization Costs:
  • Additional $800/m for boom extensions beyond 6m
  • $1,200 for explosion-proof version (ATEX/NEPSI certified)
  • $950 for stainless steel construction (304/316L)

2. Mobile 3-Ton Jib Crane (DQ-MJ3 Series)

• Basic Manual Version: $8,200-$10,500
  • Includes: 4 polyurethane wheels, 4m boom, manual push operation
• Electric Travel Version: $12,500-$18,000
  • Includes: 0.75kW travel motor, rail guidance system, remote control
• Track System Options:
  • $150/m for standard steel rail installation
  • $280/m for aluminum track system

Value-Added Services

Pre-Sales Support:

• Free on-site load assessment (within 100km of service centers)
• 3D simulation of crane operation in your facility
• ROI analysis comparing different configurations

Installation Services:

• Standard installation package: $800 (includes basic commissioning)
• Premium installation: $1,500 (includes load testing & operator training)
• Global installation network (48-hour response time for emergency services)

Warranty Coverage:

• 5-year structural warranty (main load-bearing components)
• 2-year mechanical warranty (rotation/travel systems)
• 1-year electrical components warranty
• Extended warranty available (up to 10 years for critical components)

After-Sales Service Packages

All prices exclude local taxes and shipping. Valid until December 31, 2024. Custom projects quoted individually within 72 hours of request.tc.)

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Selection Guide

Scenario	Recommended Type	Reason
Fixed workstation, long-term use	Pillar-mounted	Cost-effective, low maintenance
Multi-station/temporary tasks	Mobile	High flexibility, fast ROI
Outdoor/corrosive environments	Stainless steel + IP54	Extended lifespan

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📞 Get a Customized Solution:
For CAD drawings or on-site evaluation support, contact Dongqi Crane’s engineering team. We provide free load calculations & 3D layout plans based on your facility data!

(Specifications are based on standard models. Customized products may vary. Final technical agreement applies.)