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Knuckle Boom Marine Cranes

SQ12ZA6T12 Ton Knuckle Boom Marine Crane

SQ
Truck mounted crane
12
12 t capacity class
Z
Knuckle boom
A6
1 main boom + 5 hydraulic booms
T
Marine version
Max Lifting Capacity
12000kg
Max Lifting Moment
27t·m
Recommended Power
30kW
Hydraulic System Flow
55L/min
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Confirm your configuration and current availability with our team.

12 Ton Knuckle Boom Marine Crane

Engineering data

SQ12ZA6T Specifications

Lifting

Max Lifting Capacity
12000kg
Max Lifting Moment
27t·m
Rotation Angle
360° continuous

Hydraulics and power

Recommended Power
30kW
Hydraulic System Flow
55L/min
Hydraulic System Pressure
28MPa
Oil Tank Capacity
160 L

Machine

Self Weight
4350kg

Reach and outriggers

Max. radius
14.5m
Max. height
≈ 16.5 m
Max. boom angle
75°

Figures from the BOB-LIFT brochure for this range. Confirm the final specification with our team before ordering.

Compare all Knuckle Boom Marine Cranes

Dimensions and load chart

SQ12ZA6T dimension drawing and load chart

Select the drawing to view it full size.

How much it lifts at each reach The further the hook is from the crane, the less it can lift: 12,000 kg at 2.25 m, 1,000 kg at 14.5 m.
Lifts (kg) 12,000 5,450 3,500 2,500 1,850 1,400 1,000
Reach (m) 2.25 4.7 6.4 8.19 10.1 12 14.5

Reach is measured from the slewing centre to the hook. Figures from the drawing above.

Product details · SQ12ZA6T

12 Ton Knuckle Boom Marine Crane

12 t knuckle boom marine crane

More videos2

Series video: it shows a crane of the same capacity and boom type, so paint and options can differ from this model.

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The SQ12ZA6T is one of 17 models in our Knuckle Boom Marine Cranes range, which runs from 0.8 t to 25 t.

The SQ12ZA6T is a 12 t knuckle boom marine crane with a maximum lifting moment of 27 t·m. It runs on a recommended 30 kW power supply with 55 L/min of hydraulic flow at 28 MPa, weighs 4350 kg and offers continuous 360° slewing.

Why Order the 12 Ton Knuckle Boom Marine Crane?

Accuracy, adaptability and power are crucial aspects of any site project. For this reason, you require reliable machinery like the 12-ton marine crane with a knuckle boom. It is an essential machinery asset, suitable for use in ports, shipyards, and vessels and allows for easy cargo operations and maintenance tasks.

The 12-ton marine crane, with a knuckle boom is designed by BOB-LIFT in consideration to efficiency, so the operator is able to maneuver through limited spacing while achieving a good reach range. It is ideal for loading and unloading tasks on offshore platforms and ships.

The crane is reliable even in complex environments as it can handle the toughest conditions. It is made from quality and durable materials which are corrosion resistant, prevent damage from saltwater and guarantee a long-life span. The crane has safety systems like load monitoring technology that improve operation safety of the machinery and operator.

  • Capacity class

    12 t

    Max lifting moment 27 t·m

  • Knuckle boom sections

    6

    1 main boom + 5 hydraulic booms

  • Hydraulic flow

    55 L/min

    28 MPa · 30 kW recommended

Choosing the right model

Need more than 12 t? The next class up is the SQZ330T at 16 t. For lighter loads, the SQ10ZA6TJ at 10 t is the class below.

Before ordering, check that the vessel's hydraulic supply can deliver 55 L/min at 28 MPa. We recommend 30 kW of hydraulic power.

Knuckle Boom Marine Crane

Product technical advantages

  • High-strength steel structure

    High-strength steel structure

    Compact, light and strong steel structure.

  • Custom installation

    Custom installation

    Pedestal mounting tailored to your deck.

  • Optional attachments

    Optional attachments

    Winch, drill pipe, basket or grapple.

  • Operation modes

    Operation modes

    Manual levers, overhead seat or wireless remote.

  • Dual four-bar linkage

    Dual four-bar linkage

    Reverse-angle reach for flexible work.

  • Dedicated torque limiter Load moment limiter, safety certified.
  • Marine anti-rust treatment Multi-layer anti-rust process for sea duty.

Manufacturing & delivery

From our workshop to your port

  1. Assembly 01

    Assembly

    Slewing base, column and booms are assembled by hand in our Xuzhou workshop.

  2. 02

    Marine test stand

    Mounted on a deck-style stand, the crane runs every boom and slewing motion before release.

  3. Final check 03

    Final check

    Finished cranes are inspected and lined up for dispatch.

  4. Packing 04

    Packing

    Wrapped in film and strapped to protect paint and hydraulics in transit.

  5. Container loading 05

    Container loading

    Loaded into containers at the factory and shipped to your port.

Shipping & warranty

Shipping, warranty and documents

Shipping

Lead time and container loading are confirmed with your quotation.

Warranty and parts

12 months

Send the model, serial number and a photo or video of the issue; our team guides the repair and ships the parts.

Order from 1 unit

Documents

FAQ

Questions about the SQ12ZA6T

About the SQ12ZA6T

What hydraulic supply does the SQ12ZA6T need?

55 L/min at 28 MPa. We recommend 30 kW of hydraulic power. Send us the vessel's hydraulic data and we confirm the match when we quote.

What warranty and minimum order apply to the SQ12ZA6T?

The SQ12ZA6T carries a 12-month warranty, and you can order from 1 unit.

Not answered here?

Send us your question and our team replies with answers for your site.

+86 158 5249 9415

Ordering and service

Which configuration should we choose for this model?

Send the working conditions, destination and site access details to BOB-LIFT. The engineering team will confirm a practical configuration before quotation.

Can the crane be customized for our working conditions?

BOB-LIFT can adjust configuration around lifting radius, site access, operation scenario and destination requirements.

What is the typical delivery time?

Send the working conditions, destination and site access details to BOB-LIFT. The engineering team will confirm a practical configuration before quotation.

What export documents are provided?

Send the working conditions, destination and site access details to BOB-LIFT. The engineering team will confirm a practical configuration before quotation.

Do you provide installation and operation training?

Send the working conditions, destination and site access details to BOB-LIFT. The engineering team will confirm a practical configuration before quotation.

What after-sales support is available?

Send the working conditions, destination and site access details to BOB-LIFT. The engineering team will confirm a practical configuration before quotation.

Model history

Earlier configurations

Previous models are configurations we no longer build as standard. They can still be built to order.

Model Current model SQ12ZA6TThis model 12 Ton Knuckle Boom Marine Crane Previous model SQ12ZA4T 12 Ton Knuckle Boom Marine Crane SQ12ZA4T Previous model SQ12ZA4TJ 12 Ton Knuckle Boom Marine Crane SQ12ZA4TJ Previous model SQ12ZA5T 12 Ton Knuckle Boom Marine Crane SQ12ZA5T Previous model SQ12ZA5TJ 12 Ton Knuckle Boom Marine Crane SQ12ZA5TJ
Capacity 12 t 12 t 12 t 12 t 12 t
Max lifting moment 27 t·m 27 t·m 27 t·m 27 t·m 27 t·m
Self weight 4350 kg 3900 kg 3950 kg 4200 kg 4400 kg
Boom sections 6 4 4 5 5
Recommended Power 30 kW 30 kW 30 kW 30 kW 30 kW
Hydraulic System Flow 55 L/min 55 L/min 55 L/min 55 L/min 55 L/min
Hydraulic System Pressure 28 MPa 28 MPa 28 MPa 28 MPa 28 MPa
Oil Tank Capacity 160 L 160 L 160 L 160 L 160 L
Rotation Angle 360° continuous 360° 360° 360° 360°
Max. radius 14.5 m – – – –
Max. height ≈ 16.5 m – – – –
Max. boom angle 75° – – – –
Winch – – Included – Included
Built to order –

Guides and news

Read before you buy

All news

Need a crane matched to your site and lifting task?

Send your working radius, load requirement, site access, destination country, and delivery schedule. BOB-LIFT will help match a practical configuration.

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