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Offshore Marine Stiff Boom Crane
Model 110T

This classic marine crane features a robust, welded steel box-section boom and a versatile hydraulic drive that supports all primary operations: hoisting, outreach adjustment, and slewing.

The crane design provides higher lifting capacity than folding boom and knuckle boom models. It also offers exceptional reliability and minimal maintenance requirements. This solution is optimal for applications where performance is paramount and sufficient operating clearance is available.

The 110T model provides a lifting capacity of up to 110 t at a 22 m boom length. A dual control system (local control station / radio remote control) and two hook blocks with different rated capacities ensure maximum operational flexibility and efficiency.

Configuration

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Loading model

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Offshore Marine Stiff Boom Crane 110T 3D Model Boom

Boom

(highlighted in yellow)

The reinforced 22 m boom provides a lifting capacity of up to 110 t. The design ensures exceptional reliability and stable operation during outreach adjustment via hydraulic cylinders. This solution enables efficient use of both main and auxiliary winches, ensuring uninterrupted operation.

Structure housing

(highlighted in yellow)

The robust housing reliably protects key components, including the boom, hydraulic cylinders, and other equipment. The design with 360° continuous slewing provides maximum operational flexibility.

Safe and convenient maintenance has been provided: all access areas are equipped with ladders fitted with guardrails. This ensures a long service life, stable operation, and efficient equipment operation.

Offshore Marine Stiff Boom Crane 110T 3D Model Structure Housing
Offshore Marine Stiff Boom Crane 110T 3D Model Slip Ring

Slip ring

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The slip ring assembly provides uninterrupted electrical power supply to the crane’s slewing platform directly from the stationary power supply. This solution ensures 360° continuous slewing and stable operation of all installed onboard equipment.

Operator’s Cabin

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The operator’s cabin is mounted on four vibration isolators, ensuring low vibration levels and comfortable working conditions. The cabin accommodates all required control and indication systems, providing full control of crane operations.

Offshore Marine Stiff Boom Crane 110T 3D Model Operator Cabin
Offshore Marine Stiff Boom Crane 110T 3D Model Main Winch

Main winch

(highlighted in yellow)

The main winch is designed for loads up to 110 t with a lifting height of up to 60 m. The boom-mounted configuration ensures stable and efficient operation of the hoisting mechanism.

Auxiliary winch

(highlighted in yellow)

The boom-mounted auxiliary winch is designed for loads up to 25 t with a lifting height of 65 m, increasing the flexibility and productivity of cargo handling operations.

Offshore Marine Stiff Boom Crane 110T 3D Model Auxiliary Winch
Offshore Marine Stiff Boom Crane 110T 3D Model Hook Blocks

Hook blocks

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Hook blocks with rated capacities of 110 t and 25 t ensure reliable load handling. The sheave block design with rolling-element bearings ensures smooth operation and long service life.

Hydraulic cylinders

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The hydraulic cylinders provide smooth adjustment of the boom outreach from 11 to 30 m. The design with a piston stroke of 5560 mm ensures precise and stable positioning. Integration of pressure sensors, safety valves, and hydraulic locks protects the system under abnormal operating conditions.

Offshore Marine Stiff Boom Crane 110T 3D Model Hydraulic Cylinders
Offshore Marine Stiff Boom Crane 110T 3D Model Ballast Block

Ballast block

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Concrete ballast blocks serve as a reliable counterweight, ensuring crane stability and operational safety under maximum load conditions.

Slewing system

(highlighted in yellow)

The slewing system provides smooth 360° rotation of the crane and reliably transfers operational loads to the pedestal. This ensures stability and operational integrity even at maximum lifting capacity.

Offshore Marine Stiff Boom Crane 110T 3D Model Slewing System
Offshore Marine Stiff Boom Crane 110T 3D Model Slewing Drive

Slewing drive

(highlighted in yellow)

The slewing drives, located inside the housing, ensure precise 360° rotation of the crane. The design, featuring slewing brake valves, ensures secure positioning and reliable load holding in any position.

Standard configuration and options

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Standard configuration:

  • Column
  • Boom assembly
  • Platforms (set)
  • Winch with wire rope
  • Boom luffing hydraulic cylinder(s)
  • Hook block
  • Hydraulic power unit (HPU)
  • Electrical equipment
  • Hydraulic equipment
  • Local control station

Optional:

  • Cranes may be supplied without a column or with a column height customized to the customer’s requirements
  • Cranes may be supplied with an integrated HPU, a remote HPU, or without an HPU
  • Local (operator cabin or platform), remote (pendant or radio control), or combined control
  • Explosion-proof (tanker) design
  • Man-riding design
  • For explosive cargo handling
  • Auxiliary hoisting winches
  • Heave compensation
  • Floodlights
  • Custom paint color

3D crane simulation

About

Click to read more

A Giant at Work: How a Heavy-Duty Pedestal Crane Is Built and Operates

Imagine a steel arm as long as twenty passenger cars lined up bumper to bumper. An arm capable of lifting, in a single smooth motion, a load equal to the weight of fifteen African elephants, and placing it precisely — without jerks — at the height of a twenty-story building. This is a heavy-duty pedestal crane: a true engineering titan, often hidden from public view, yet playing a critical role in construction, industrial operations, and port logistics. Let’s take a closer look inside this machine and explore how it is designed and which technologies enable it to perform what seems like an impossible task.

Why is Such a “Monster” Needed?

At first glance, the task appears simple: lifting and moving heavy loads. But the complexity lies in the details. Handling loads of up to 110 tonnes with pinpoint precision at heights of up to 60 meters requires far more than brute force — it demands advanced engineering. A conventional crane is not sufficient here. What is required is a stable, robust, and at the same time flexible solution, capable of operating in all weather conditions and slewing continuously 360 degrees. This crane is not just a lifting device — it is a compact mechanical plant integrated into a single unit.

What is This Giant Made Of?

The crane’s structure resembles a massive modular system. At its foundation is a heavy-duty steel pedestal, securely integrated into the base structure. Mounted on top via a large-diameter slewing bearing — essentially a giant bearing several meters in diameter — is the slewing system. This is the heart of the crane’s mobility. Installed on the slewing system are the key components: a robust structure housing containing the power pack and control systems, the boom, and the counterweight.

The boom itself is a long, welded structure made of high-strength steel. It is hinged to the structure housing and operated by two powerful hydraulic cylinders. Imagine jacks that can not only lift a vehicle but also provide controlled lowering of a multi-ton boom. These hydraulic cylinders, with a piston diameter of 400 mm, are the “muscles” that adjust the crane’s outreach. For safety, they are equipped with integrated load-holding valves to prevent uncontrolled descent in case of hose failure.

Where Does the Power Come From?

The heart of the crane is its hydraulic system, containing approximately 6,000 liters of hydraulic fluid — equivalent to around thirty large bathtubs. High-performance pumps generate immense pressure, driving the hydraulic motors and cylinders. The fluid flows through high-pressure hoses like blood through arteries, actuating the boom and winches. This system ensures both smooth operation and exceptional power — far beyond the capabilities of purely electric drives. To maintain optimal operating conditions, the system is equipped with an oil cooler, effectively acting as a radiator for the hydraulic circuit.

How Does the Crane “Understand” Commands?

All operations are controlled by an advanced electronic control system. The operator works from a comfortable, insulated cabin equipped with air conditioning, mounted on vibration dampers to minimize shock and vibration. In addition to the cabin, the crane can also be operated via a portable remote control — similar in concept to a joystick interface, but controlling real multi-tonne loads.

The control system is the brain of the crane. It not only transmits commands from the joysticks to the hydraulic system, but continuously monitors operational safety. Sensors on the boom measure load and angle. If the operator attempts to exceed permissible limits — whether by overload or excessive outreach — the system automatically restricts movement or triggers an alarm. It also monitors wind speed, oil level and temperature, and even the remaining wire rope on the winch drum. Cameras mounted on the boom provide visibility of blind spots, while aviation obstruction lights at the top signal the presence of a high structure.

Two Winches for Different Tasks

The crane is equipped with two independent winches. The main winch, featuring a 6-fall reeving system (block arrangement for load multiplication), is designed for heavy lifts of up to 110 tonnes. The auxiliary winch, with a simpler configuration, handles loads of up to 25 tonnes but offers higher lifting speeds and greater hook height. This is comparable to a gearbox in a vehicle — different modes optimized for different tasks.

Summary

This type of crane is far more than a mass of steel — it is the result of precise engineering calculations and advanced technology. It is a highly sophisticated system where powerful hydraulics are governed by intelligent control electronics. Every component, from the massive steel boom to the smallest bolt in the lubrication system, serves a single purpose: the safe and efficient handling of extreme loads. The next time you see a crane on the horizon, remember: inside it lies an entire world of remarkable engineering solutions.

Dimensions

Offshore Marine Stiff Boom Crane 110T Drawing

Technical specifications

ParameterValue
Safe Working Load (main hoist), t110 t
Safe Working Load (aux hoist), t25 t
Main hoist reeving factor6
Auxiliary hoist reeving factor2
Main hoist hook lifting height, m60 m
Auxiliary hoist hook lifting height, m65 m
Main hook speed, m/s 0.13 m/s
Auxiliary hook speed, m/s0.2 m/s
Boom luffing time, s130 s
Slewing speed (single motion), rpm1 rpm
Slewing speed (combined motions), rpm0.5 rpm
Slewing angle, °360° continuous
Crane duty class (main hoist) according to GOST 34017-2016А2
Crane duty class (auxiliary hoist) according to GOST 34017-2016А6
Load spectrum class (main hoist) according to GOST 34017-2016Q4
Load spectrum class (auxiliary hoist) according to GOST 34017-2016Q4
Utilization class (main hoist) according to GOST 34017-2016U1
Utilization class (auxiliary hoist) according to GOST 34017-2016U5
Crane control-Operator’s cabin
-Radio remote control
Total crane weight (excl. ballast and pedestal), t, max148 t
Ballast weight, t25 t
Power supplyAC, 50 Hz;
380 V±10%
Total installed electric motor power, kW, max., including:
– main pump unit motor
– control pump unit motor
– filling pump unit motor
– oil cooler motor
– electric heater unit
350 kW
160 kW (2 units)
2.2 kW
4 kW
1.3 kW
7.5 kW (3 units)
Ambient temperature, C°-20°…+45°
Outdoor electrical equipment IP ratingIP56

3D Model

General requirements and standards

  • The equipment complies with the «General Provisions for Technical Supervision» of the Russian Maritime Register of Shipping (RS) and is supplied with a Type Approval Certificate.
  • The equipment complies with the requirements of the Technical Regulation on the Safety of Maritime Transport.

Regulatory compliance

The equipment complies with the following requirements:

  • General Regulations of the Russian Maritime Register of Shipping (RS);
  • Technical Regulation on the Safety of Maritime Transport (Decree of the Government of the Russian Federation No. 620 dated August 12, 2010);
  • SP 2.5.3650-20 (Sanitary and Epidemiological Requirements for Transport);
  • Other applicable requirements of Russian legislation, including sanitary and veterinary regulations, occupational health and safety requirements, and industrial safety requirements;
  • The equipment also complies with all amendments and supplements in force as of the vessel’s keel-laying date (Decree of the Government of the Russian Federation No. 719);
  • Supervision of installation and commissioning services;
  • Confirmation of industrial product manufacturing within the territory of the Russian Federation (Decree of the Government of the Russian Federation No. 719 dated July 17, 2015).