CQUY550
CQUY800
CQUY550
CQUY800

Heavy Duty Hydraulic Crawler Crane

The CQUY series is a multi-functional, Heavy Duty Hydraulic Crawler Crane featuring a full-slewing structure and multi-section truss boom configuration. With optional attachments, it delivers versatile operational capabilities, including general lifting, pipe rolling, diesel hammer piling, hydraulic hammer operation, casing oscillator driving, pile driving, deep-excavation clamshell grabbing, dragline operation, and dynamic compaction.
It is widely applicable across various construction sectors, including transportation, chemical engineering, energy, water conservancy, municipal engineering, civil construction, metallurgy and steel industries.
  • Heavy Duty Hydraulic Crawler Crane

Characteristics and Applications of Lattice Boom Crawler Cranes

Main Characteristics

 

Strong lifting capacity

Adopting a truss-type lattice boom that is lightweight, high in rigidity and small in wind-receiving area,

it is suitable for heavy-duty, high-height and long-radius lifting.

 

  • Excellent operation stability

The crawlers have a large ground contact area and low ground pressure,

allowing operation without outriggers. The whole machine has a low center of gravity and strong anti-overturning capacity.

 

  • Capable of traveling with load

It can move at low speed while lifting,

which is especially suitable for equipment positioning, multi-point hoisting and continuous operation.

 

  • Strong terrain adaptability

Capable of traveling and operating on complex road conditions

such as muddy, soft sites, construction access roads and slopes, with much better passability than truck cranes.

 

  • Flexible working condition combinations

Can be equipped with main boom, fixed jib, luffing jib, superlift device, etc.,

to meet lifting requirements of different heights, radii and weights.

 

  • Convenient disassembly, assembly and transportation

The boom, crawlers, counterweights and upper structure can be split modularly,

facilitating highway transportation and relocation between different sites.

 

Main Application Fields

  • Wind power engineering

Hoisting of wind turbine nacelles, hubs and blades;

it is the main equipment for onshore high-megawatt wind turbines.

 

  • Petrochemical & coal chemical industry

Hoisting of large towers, reactors, storage tanks, torches and steel structures.

  • Power construction

Hoisting of thermal power boiler steel frames, generator stators and heavy equipment for nuclear power.

  • Bridge engineering

Hoisting of steel box girders, steel truss girders, bent caps and integral segments.

 

  • High-rise buildings & steel structure engineering

Installation of giant steel columns, trusses, tower crane erection/dismantling and heavy components.

 

  • Shipbuilding & port engineering

Hoisting of hull sections, port equipment and heavy wharf components.

 

  • Mining & metallurgy

Positioning of heavy equipment such as large mills, converters and rolling mills.

Heavy-Duty-Hydraulic-Crawler-Crane

Lattice Boom Crawler Crane 
Item Unit Parameter
CQUY55 CQUY85 CQUY100 CQUY130 CQUY150 CQUY220
Boom working condition max. rated lifting capacity t 55 85 100 130 150 220
Max. load moment t.m 203.5 341 425 742.2 874.8 1239
Boom length m 13-52 13-58 13-61 20-74 20-77 17-83
Fixed jib length m 7–16 7–19 7–19 13-31 13~31 9–30
Max. dimension of single unit in transport state:L×W×H m 12.04×3.45×3.36 13.05×3.4×3.3 13.04×3.4×3.04 11.0×3.0×3.2 11.5×3.0×3.2 9.0×3.0×3.3
Engine model Weichai WP7 Weichai WP7 Weichai WP7 / / weichai
Rated power kw 199 199 199 247 247 247
Total vehicle mass Main hook block, 19m boom 46.3 71.2 81.2 121 128 191
Max. mass of single unit in transport state t 28.6 23t 24.1 33.7 34.5 32.9
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project-v1-shape2
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SERVICES

Services

Professional and reliable after-sales service(1)

Professional and reliable after-sales service

We provide a comprehensive and responsive after-sales service to ensure your operations run smoothly. Our support team offers 12-hour online service to address your inquiries promptly, regardless of your location worldwide. Additionally, we have our own professional after-sales engineers who can be dispatched to your site as required. Our on-site services include installation, commissioning, operator training, and pile testing, all tailored to meet your specific needs and ensure optimal performance of your equipment.    
Production-to-shipment tracking and feedback process

Production-to-shipment tracking and feedback process

We provide comprehensive, end-to-end tracking and regular updates throughout the entire process, from production initiation to final shipment. Our systematic tracking covers each critical stage: assembly, quality inspection, testing, packaging, and final loading for dispatch. At every milestone, we proactively provide detailed feedback, including photos, videos, and progress reports. This transparent communication ensures you are fully informed and can plan confidently for the seamless arrival of your equipment, eliminating uncertainty and facilitating a smooth project timeline.  
Professional pre-sales services

Professional pre-sales services

Our pre-sales service is designed to optimize your procurement process from the very beginning. By integrating the expertise of our sales personnel with our technical engineering team, we provide professional consultation based on your specific project requirements. This collaborative approach significantly reduces your upfront selection costs and improves overall efficiency. We focus on delivering precise product recommendations, ensuring the proposed equipment is the most suitable and effective solution for your project needs, ultimately helping you make a well-informed and confident purchasing decision.      

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