Knuckle Boom Crane

I Classification 

1. Fully Foldable Knuckle & Telescopic Boom Crane
Our Fully Foldable Knuckle & Telescopic Boom represents a breakthrough in versatile material handling and access solutions. This innovative boom system combines the precise, articulated reach of a knuckle (jointed) boom with the extensive, linear extension of a telescopic boom, all designed to fold completely for optimal storage and transport.

Engineered for demanding applications across construction, agriculture, logistics, and utility maintenance, this product excels where space is limited and reach is critical. Its unique fully foldable design ensures a minimal footprint, dramatically simplifying compact transportation and storage for boom equipment. Once on-site, it rapidly deploys to provide exceptional high-reach material handling and precise positioning capabilities.

2. Knuckle Boom Crane
A Knuckle Boom Crane, also known as an articulating crane or a folding boom crane, is a highly versatile and powerful piece of material handling equipment. Distinguished by its multiple articulating joints (or "knuckles") that resemble a human finger, it offers superior flexibility and precision compared to traditional straight boom cranes.

This design allows the boom to fold compactly for transport and storage, and to articulate around obstacles when extended, making it ideal for working in confined or complex spaces. Knuckle booms are commonly mounted on trucks (as truck-mounted cranes), trailers, or fixed locations, serving as indispensable tools across numerous industries.

3. Knuckle & Telescopic Boom Crane
A Knuckle & Telescopic Boom Crane, often referred to as a Combination Boom or Hybrid Crane, represents the pinnacle of versatility in modern lifting and material handling equipment. This innovative design integrates the precise, articulating functionality of a knuckle (or folding) boom with the powerful, long-reach extension of a telescopic boom, creating a single machine capable of tackling an unparalleled range of complex tasks.

This dual-mechanism design provides operators with exceptional flexibility: the articulating knuckle sections allow the boom to fold and maneuver around obstacles in confined spaces, while the telescoping sections deliver the straight-line, high-reaching capability necessary for reaching over barriers or to significant heights. Commonly mounted on robust carrier trucks, these cranes are engineered for maximum performance across diverse and demanding job sites.

II Advantages And Disadvantages

1. Fully Foldable Knuckle & Telescopic Boom Cranes
This advanced crane offers the ultimate advantage in transport efficiency and site access, featuring a unique mechanism that folds the entire boom system—including telescopic sections—into an exceptionally compact profile. This minimizes logistical hurdles, reduces transit costs, and enables work in environments with severe height or space restrictions, such as under low ceilings or on dense urban streets, while still delivering the full performance of a combination boom. The main drawbacks are its premium price point due to sophisticated engineering and the added mechanical complexity of the folding mechanism, which can influence long-term maintenance considerations and represent a significant initial investment.

2. Knuckle Boom Cranes
The primary advantages of a standard Knuckle Boom Crane are its cost-effectiveness, offering the most affordable entry point into articulated lifting, and its superior compactness, making it the ideal solution for agile operation in confined urban spaces with tight access. Its simpler design also contributes to robust reliability and easier maintenance. However, the key trade-off is its limited reach; without a telescopic mechanism, it cannot match the long horizontal extension or high vertical lift of more complex booms, restricting its optimal use to applications where precision in close quarters is prioritized over long-distance or high-elevation lifting.

3. Knuckle & Telescopic Boom Cranes 
The defining advantage of the Combination Boom Crane is its unparalleled versatility, merging the precise, obstacle-navigating articulation of a knuckle boom with the powerful, long-range extension of a telescopic boom. This creates a single, highly adaptable machine capable of handling a vast spectrum of tasks, from intricate work in congested areas to heavy lifts at significant radii, reducing the need for multiple machines. The disadvantages stem from its enhanced complexity, resulting in a higher initial purchase price, potentially greater maintenance needs, and a larger transport footprint compared to a standard knuckle boom, requiring more skilled operation and logistical planning.

III Application Scenarios

1. Fully Foldable Knuckle & Telescopic Boom Cranes
This crane is designed for the most challenging access and logistics scenarios. It is the ultimate tool for work in historic city centers with extreme low-clearance archways and narrow lanes, where transport size is strictly regulated. It is perfectly suited for maintenance operations inside low-headroom warehouses and manufacturing facilities, able to deploy fully without requiring vast ceiling space. The model is critical for emergency response in disaster-stricken areas with compromised infrastructure, as it can be transported rapidly on standard roads and set up quickly. It is also the ideal choice for telecommunications companies installing equipment in dense urban forests and for contractors performing facade repairs on buildings with severe overhead obstructions, where every inch of transport and setup space matters.

2. Knuckle Boom Cranes
Knuckle Boom Cranes excel in scenarios where space is at a premium and precision is paramount. They are the preferred solution for loading and unloading cargo on narrow urban streets and tight construction sites where their compact footprint is a critical advantage. Their ability to articulate around obstacles makes them ideal for landscaping and tree care work in residential backyards, safely navigating over fences and structures. They are also essential for precise placement of machinery within crowded industrial workshops and for handling cargo on shipping docks with limited maneuvering room. Furthermore, they serve as reliable truck-mounted cranes for utility maintenance, such as lifting transformers or conduit into place amidst a tangle of existing wires and poles.

3. Knuckle & Telescopic Boom Cranes
Combination Boom Cranes are engineered for complex projects that demand both reach and flexibility. They are indispensable for steel erection and cladding installation on mid-to-high-rise building projects, where reaching over constructed sections is required. Their dual functionality is crucial for bridge construction and repair, allowing crews to work from the deck to access underbridge areas. They are a mainstay in the renewable energy sector for wind turbine component maintenance, offering the reach to the nacelle with the precision to position parts. These cranes are also vital for setting up prefabricated modules on large industrial plants and for major infrastructure projects like highway interchange construction, where lifting tasks vary dramatically in both distance and precision.

IV.Purchase&After-sales Support

Procurement process

1.Sign  Quotation&TA & PI&SC 
2.Production Drawing confirmation （3Dmodels and Key Drawings）
3.Actual production begin
4.Production process following up and report
5.Factory Assemble &testing (inviting clients to attend in advance) 
6.Packing &delivery 
7.At  end user’s site installation , commissioning &training 
8.After sales service

After-sales assembly service
To ensure the safe and efficient commissioning of the equipment, our company hereby provides professional after-sales assembly guidance services, with detailed terms as follows:

1. Service Basis and Scope
Our company will classify service levels and determine the duration of free on-site guidance and installation services based on the model and overall weight of the ship crane. The free service period is 3–5 working days for small-sized cranes, 5–7 working days for medium-sized ones, and 7–15 working days for large and extra-large models, with the specific terms subject to the sales contract signed by both parties. The service scope covers full-process assembly guidance including on-board equipment positioning, component assembly and commissioning, safety device calibration, and operation procedure training.

2. Pre-service Requirements
The customer shall complete the preparation of on-site construction conditions prior to the agreed service time, including the positioning of lifting equipment, clearing of the operation site, and preparation of supporting auxiliary materials (such as fasteners and seals). Meanwhile, the customer shall provide the relevant ship technical drawings and on-site coordinating personnel required for the operation to ensure the smooth progress of the assembly work.

3. Charging Standard for Extended Service Period
If the service duration exceeds the free quota due to non-our-fault reasons such as the customer’s substandard on-site conditions or inadequate coordination, the excess part will be charged at a technical service fee of 200 USD per person per working day, and the travel, accommodation and catering expenses shall be borne by the customer separately.

4. Service Guarantee and Commitment

The technical personnel dispatched by our company all hold qualifications for ship crane assembly and have rich practical experience. The service process strictly complies with international ship equipment installation specifications and our company’s quality standards.