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Knuckle Boom Marine Cranes

SQ2ZA2TJ2 Ton Knuckle Boom Marine Crane

SQ
Truck mounted crane
2
2 t capacity class
Z
Knuckle boom
A2
1 main boom + 1 hydraulic boom
T
Marine version
J
With winch
Max Lifting Capacity
2000kg
Max Lifting Moment
4.2t·m
Recommended Power
9kW
Hydraulic System Flow
20L/min
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Confirm your configuration and current availability with our team.

2 Ton Knuckle Boom Marine Crane

Engineering data

SQ2ZA2TJ Specifications

Lifting

Max Lifting Capacity
2000kg
Max Lifting Moment
4.2t·m
Rotation Angle
360°
Winch
Included

Hydraulics and power

Recommended Power
9kW
Hydraulic System Flow
20L/min
Hydraulic System Pressure
20MPa
Oil Tank Capacity
25 L

Machine

Self Weight
590kg

Reach and outriggers

Max. radius
5.1m
Max. height
≈ 6.5 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

SQ2ZA2TJ 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: 2,000 kg at 2 m, 750 kg at 5.1 m.
Lifts (kg) 2,000 1,050 750
Reach (m) 2 3.76 5.1

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

Product details · SQ2ZA2TJ

2 Ton Knuckle Boom Marine Crane

Function test · 2 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.

More videos

The SQ2ZA2TJ is one of 17 models in our Knuckle Boom Marine Cranes range, which runs from 0.8 t to 25 t.

The SQ2ZA2TJ is a 2 t knuckle boom marine crane with a maximum lifting moment of 4.2 t·m. It runs on a recommended 9 kW power supply with 20 L/min of hydraulic flow at 20 MPa, weighs 590 kg and offers 360° slewing.

Why Choose the 2 Ton Knuckle Boom Marine Crane?

The 2 Ton Knuckle Boom Marine Crane is great for lightweight earth-moving tasks because of its compact design and advanced features. It is reliable, easy to maintain, and favored by customers worldwide.

The 2 Ton Knuckle Boom Marine Crane offers a number of advantages due to its construction, compact design and low center of gravity. These features enhance the maneuverability of vehicles during transportation. When not in use, the crane's rack cylinder can fold into an arrangement optimizing space utilization.

Furthermore, users have the flexibility to adjust parameters of the crane according to their requirements making it more user friendly. Additionally, it is effortless for users to attach accessories to the crane thereby enhancing its efficiency and functionality. Moreover, customers can expect after sales services such as customer feedback and timely delivery of accessories.

  • Capacity class

    2 t

    Max lifting moment 4.2 t·m

  • Knuckle boom sections

    2

    1 main boom + 1 hydraulic boom

  • Hydraulic flow

    20 L/min

    20 MPa · 9 kW recommended

Choosing the right model

Need more than 2 t? The next class up is the SQ3.2ZA3TJ at 3.2 t. For lighter loads, the SQ1ZA3TJ+1 at 1.6 t is the class below.

Before ordering, check that the vessel's hydraulic supply can deliver 20 L/min at 20 MPa. We recommend 9 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 SQ2ZA2TJ

About the SQ2ZA2TJ

What hydraulic supply does the SQ2ZA2TJ need?

20 L/min at 20 MPa. We recommend 9 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 SQ2ZA2TJ?

The SQ2ZA2TJ 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.

  • 2 Ton Knuckle Boom Marine Crane
    Current model

    SQ2ZA2TJThis model

    2 Ton Knuckle Boom Marine Crane

    Capacity
    2 t
    Max lifting moment
    4.2 t·m
    Self weight
    590 kg
    Boom sections
    2
    Recommended Power
    9 kW
    Hydraulic System Flow
    20 L/min
    Hydraulic System Pressure
    20 MPa
    Oil Tank Capacity
    25 L
    Rotation Angle
    360°
    Winch
    Included
    Max. radius
    5.1 m
    Max. height
    ≈ 6.5 m
    Max. boom angle
    75°
  • 2 Ton Knuckle Boom Marine Crane SQ2ZA4T
    Previous model SQ2ZA4T

    2 Ton Knuckle Boom Marine Crane SQ2ZA4T

    Capacity
    2 t
    Max lifting moment
    4.2 t·m
    Self weight
    630 kg
    Boom sections
    4
    Recommended Power
    9 kW
    Hydraulic System Flow
    20 L/min
    Hydraulic System Pressure
    20 MPa
    Oil Tank Capacity
    25 L
    Rotation Angle
    360°
    Winch
    –
    Max. radius
    –
    Max. height
    –
    Max. boom angle
    –

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.

Contact Engineer

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