Truck-Mounted Knuckle Krane

Powerful Truck Mounted Crane for Precision Lifting and Mobile Material Handling

When industrial operations require mobile lifting equipment with precise load positioning, the Truck Mounted Knuckle Crane from Air Technical Industries (ATI) provides a practical solution. Available in 2,000 lb., 4,000 lb., and 6,000 lb. capacity classes, this truck mounted knuckle boom crane combines articulated boom movement, hydraulic lifting, and telescopic reach to support demanding material handling applications.

Unlike a conventional straight-boom crane, a knuckle boom crane uses articulated boom sections to reach over, beyond, and around obstacles. This configuration helps operators position machinery components, tools, and other heavy materials in areas where access is limited.

Designed for truck-mounted applications, the ATI crane is particularly useful for service vehicles, equipment maintenance, industrial installations, and field operations. Its folding boom configuration helps conserve space during transport, while hydraulic operation supports controlled lifting and positioning at the job site.

Whether you need a hydraulic knuckle boom crane for maintenance work or a truck-mounted lifting system for equipment loading and unloading, ATI offers standard models and application-specific configurations to meet your requirements.

Key Features

The ATI Truck Mounted Knuckle Crane is engineered for industrial operations that require mobility, lifting strength, and controlled material positioning.

Advanced Design Features

• Available in 2,000 lb., 4,000 lb., and 6,000 lb. capacity classes
• Lift heights up to 18 feet, depending on the model and configuration
• Articulating knuckle-boom design for reaching around obstacles
• Powered mast rotation for flexible load positioning
• Hydraulic telescopic boom extension for additional working reach
• Folding boom configuration for compact transport and storage
• Ability to reach over, beyond, and underneath the mounting position
• Optional stabilizing outriggers for suitable installations
• Available push-button pendant and remote-control options
• Heavy-duty construction for industrial lifting applications
• Configurations for truck-mounted and field-service operations

The articulated boom allows operators to position loads around equipment, structural components, and other obstacles. This makes the truck mounted hydraulic crane suitable for jobs where a straight boom may not provide the required access.

The telescopic boom increases the available working reach, while the folding configuration helps reduce the space occupied by the crane when it is not in use.

Actual lifting capacity depends on the working radius and crane configuration. Operators should always use the approved model-specific load chart when planning a lift.

Benefits of the Truck Mounted Hydraulic Crane

Improved Mobility for Field Service Operations

A truck-mounted crane allows lifting equipment to travel with a service vehicle, reducing the need to transport a separate crane to every job site.

This is particularly useful for industrial maintenance teams, utility service operations, and equipment repair contractors that regularly move between locations.

Precise Load Positioning in Restricted Areas

The articulated boom helps operators maneuver loads around machinery, equipment, and other obstacles.

Compared with a straight-boom configuration, the knuckle-boom design can provide additional positioning flexibility in certain restricted work areas.

Reduced Equipment Repositioning

The combination of boom articulation, telescopic reach, and mast rotation allows operators to approach loads from different positions within the crane’s approved operating range.

This can reduce the number of times a service vehicle or lifting system must be repositioned during a job.

Compact Folding Design

A folding boom occupies less space during transport than many extended-boom configurations. This is especially useful for service trucks that must accommodate tools, replacement parts, and other equipment.

Flexible Hydraulic Operation

Hydraulic lifting supports controlled movement of heavy materials. ATI offers different power and control configurations, allowing buyers to evaluate a system that suits their vehicle, work environment, and operating requirements.

For industrial buyers, the main benefit is a combination of mobility, reach, and controlled lifting in one truck-mounted system.

Applications

The ATI knuckle boom crane truck configuration is designed for industrial lifting, loading, and maintenance applications where mobility and precise positioning are important.

Common Uses Include

• Service truck operations: Loading and unloading tools, components, and maintenance equipment
• Heavy equipment maintenance: Positioning replacement parts and mechanical assemblies
• Manufacturing facilities: Handling machinery components during equipment installation or repair
• Utility maintenance: Supporting field-service lifting and equipment replacement tasks
• Aerospace maintenance: Positioning suitable components during servicing operations
• Automotive and fleet service: Lifting heavy mechanical parts and service equipment
• Warehouse operations: Handling bulky loads in designated loading and maintenance areas
• Construction support: Moving equipment and materials within approved lifting conditions
• Industrial assembly: Positioning parts for installation and maintenance
• Facility maintenance: Supporting lifting tasks in areas with limited access

Truck Mounted Knuckle Boom Cranes for Service Vehicles

A service truck crane is useful when maintenance teams must lift materials at multiple locations throughout the workday.

The ATI truck-mounted knuckle crane can support activities such as loading replacement components, positioning mechanical assemblies, and transferring equipment between a truck and a designated work area.

Its articulated boom helps access loads located near obstacles, while the telescopic extension increases the available reach.

Before installation, buyers should confirm that the vehicle, mounting structure, and stability provisions are suitable for the selected crane and its intended operating loads.

Technical Specifications

ATI offers three standard capacity classes for its truck-mounted knuckle crane product line.

Capacity Options and Model Comparison

Important: The capacity values above correspond to different operating ranges in ATI’s standard model specifications. Range A, Range B, and Range C represent different boom reach conditions. The exact working radius, boom position, and approved load chart must be reviewed before selecting or operating a crane.

Lifting Performance

• Maximum lifting height: Up to 18 ft., depending on configuration
• Boom type: Articulating knuckle boom
• Boom extension: Hydraulic telescopic extension
• Mast movement: Powered rotation
• Load positioning: Multiple approved boom and reach configurations
• Mounting: Truck-mounted configuration

Understanding Knuckle Boom Crane Lifting Capacity

A knuckle boom crane’s lifting capacity changes as the working radius increases.

For example: the ATI KK-4000 has published ratings of 4,000 lb. at Range A, 2,000 lb. at Range B, and 1,000 lb. at Range C.

This means buyers should not select a truck-mounted crane based only on its maximum rated capacity.

When evaluating a model, consider:

1. Maximum weight of the load, including rigging
2. Required horizontal reach from the crane’s rotation center
3. Required vertical lifting height
4. Available truck mounting space
5. Vehicle and mounting structure capacity
6. Stabilization requirements
7. Power and control preferences

ATI can help evaluate these requirements and identify a suitable crane configuration.

Truck Mounted Crane Installation and Mounting Requirements

Proper installation is essential for safe operation and dependable lifting performance.

Before selecting a truck mounted knuckle boom crane, the vehicle and proposed mounting arrangement should be evaluated for structural capacity, stability, and available space.

Important considerations include:

• Truck chassis and mounting structure
• Crane base location and mounting reinforcement
• Vehicle payload and axle load limits
• Maximum load and operating radius
• Outrigger and stabilizer requirements
• Available hydraulic or electrical power
• Clearance around the boom’s operating area
• Transport and storage dimensions

Mounting requirements vary by crane model, vehicle type, and intended application. Installation should follow ATI’s approved instructions and applicable engineering requirements.

Hydraulic Power and Control Options

ATI offers multiple power configurations for its truck-mounted knuckle crane line, subject to model compatibility.

Available cataloged power options include:

• 120V AC single-phase power pack
• 12V battery-operated power pack
• 220/480V three-phase power pack
• Gasoline-engine power pack
• Hydraulic pump/PTO configuration

Control options may include mast-mounted controls, push-button pendant controls, and remote-control arrangements.

The appropriate combination depends on the vehicle’s available power, frequency of use, operating environment, and required control location.

Available Options

• Stabilizing outriggers
• Push-button pendant controls
• Remote-control configurations
• Power-pack options
• Application-specific mounting arrangements
• Custom-engineered lifting configurations

Construction Features

• Heavy-duty welded steel construction
• Industrial hydraulic lifting components
• Compact folding boom design
• Construction suited to demanding material handling environments
• Configurations available for specialized industrial applications

For exact dimensions, working radii, mounting requirements, and available configurations, refer to the applicable ATI technical documentation or contact the engineering team.

How to Choose the Right Truck Mounted Knuckle Boom Crane

Selecting the right crane requires matching the equipment to the load, reach, vehicle, and operating conditions.

1. Determine the Required Lifting Capacity

Start with the heaviest expected load, including any lifting attachments and rigging equipment.

The selected crane must have sufficient rated capacity at the actual working radius, not merely at its shortest boom position.

2. Calculate the Required Working Radius

Measure the horizontal distance between the crane’s rotation center and the intended load position.

This is especially important when loading machinery onto trucks, reaching around obstacles, or positioning equipment away from the vehicle.

3. Confirm the Required Lift Height

Identify the maximum height needed to clear obstacles and position the load.

ATI truck-mounted knuckle cranes offer lift heights up to 18 feet in applicable configurations, but the available height depends on the model and operating geometry.

4. Evaluate Vehicle Compatibility

The truck must be suitable for the crane’s weight, mounting requirements, lifting loads, and stability provisions.

A mounting assessment is necessary before installation.

5. Choose the Power and Control Configuration

Consider whether the application requires vehicle-based hydraulic power, an independent power pack, or another available power option.

Also evaluate operator visibility and whether remote or pendant controls would improve positioning during normal lifting tasks.

6. Review the Operating Environment

Consider overhead obstructions, ground conditions, access limitations, stabilizer placement, and the frequency of lifting operations.

ATI can help review these factors and recommend an appropriate model or custom configuration.

Why Choose Air Technical Industries?

Air Technical Industries is an experienced manufacturer of industrial lifting and material handling equipment, offering standard and custom-engineered solutions for demanding applications.

Our truck-mounted knuckle cranes are designed to help industrial customers handle heavy and awkward loads while improving access and positioning flexibility.

ATI works with buyers to evaluate lifting requirements, operating environments, and available equipment configurations.

Engineering Support for Industrial Buyers

When selecting a truck mounted hydraulic crane, industrial buyers often need more than a basic capacity rating.

ATI can help review:

• Required lifting capacity and working radius
• Truck and mounting requirements
• Boom reach and lift height
• Power and control configurations
• Stabilization requirements
• Application-specific lifting challenges

From standard KK-series cranes to custom-engineered material handling equipment, ATI helps customers identify solutions that match their operational needs.

Request a Quote

Looking for a truck mounted knuckle boom crane for industrial maintenance, service vehicles, equipment installation, or material handling?

Air Technical Industries offers 2,000 lb., 4,000 lb., and 6,000 lb. capacity classes with articulated boom movement, hydraulic lifting, and available configuration options.

To help our team recommend the right crane, provide the following information when requesting a quote:

• Maximum load weight
• Required horizontal reach
• Required lifting height
• Truck type and mounting location
• Intended industrial application
• Preferred power and control options

Contact ATI to discuss your application or request a quote for a truck-mounted knuckle crane that meets your lifting requirements.

Frequently Asked Questions (FAQs)

1. What is a truck mounted knuckle boom crane used for?

A truck mounted knuckle boom crane is used to lift, load, unload, and position heavy materials from a vehicle-mounted lifting system. Its articulated boom provides additional flexibility when handling equipment around obstacles or within restricted work areas. Common applications include service trucks, industrial maintenance, equipment installation, and field repairs.

2. What are the advantages of a knuckle boom crane truck over a traditional boom crane?

A knuckle boom crane uses articulated sections that can fold and extend, providing flexible load positioning and compact storage. A straight-boom crane may be better suited to other reach or lifting requirements. The right choice depends on the load, operating radius, available space, and lifting application.

3. How much weight can a truck mounted hydraulic crane lift?

ATI truck-mounted knuckle cranes are available in 2,000 lb., 4,000 lb., and 6,000 lb. capacity classes. Actual lifting capacity depends on the model, working radius, boom position, and configuration. Always refer to the approved load chart for the selected crane.

4. What industries benefit from a hydraulic truck crane?

Hydraulic truck cranes are used in manufacturing, utility maintenance, heavy equipment service, industrial installation, fleet maintenance, construction support, and other applications that require mobile lifting equipment.

5. Can a truck mounted crane be customized for specific applications?

Yes. ATI offers configuration options for power systems, controls, stabilization, and mounting arrangements. Additional custom-engineered solutions may be available depending on the lifting application.

6. How does boom extension affect knuckle boom crane lifting capacity?

As the working radius increases, the maximum permitted load generally decreases. For example, ATI’s KK-4000 has published capacity ratings of 4,000 lb., 2,000 lb., and 1,000 lb. across three operating ranges. The approved load chart identifies the allowable capacity for the applicable reach and configuration.

7. Can a knuckle boom crane be mounted on a service truck?

Yes, provided the vehicle and mounting arrangement are suitable for the crane. Vehicle structure, payload limits, stability, mounting reinforcement, and operating loads must be evaluated before installation.

8. What power options are available for ATI truck-mounted knuckle cranes?

ATI catalogs multiple power options, including AC electric, battery-operated, gasoline-engine, and hydraulic pump/PTO configurations. Availability depends on the crane model and selected equipment configuration.

9. What is the difference between a knuckle boom crane and a telescopic boom crane?

A knuckle boom crane has articulated sections that fold and move around obstacles. A conventional telescopic boom crane primarily extends and retracts along its boom axis. ATI’s truck-mounted knuckle crane combines articulation with telescopic boom extension, providing both types of movement in one system.