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Knuckle Boom Truck Mounted Cranes

BOB-LIFT Product Range

Knuckle Boom Truck Mounted Cranes

Knuckle Boom Truck Mounted Cranes from the BOB-LIFT product catalog.

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Previous models

Configurations we no longer build as standard. Each can still be built to order on request.

Knuckle Boom Truck Mounted Cranes

Model Capacity Max lifting moment Self weight Current equivalent Built to order
SQ1ZA4 1.6 t 2.2 t·m 490 kg SQ1ZA3+1
SQ2ZA2 2 t 4.2 t·m 650 kg SQ2ZA4
SQ2ZA3 2 t 4.2 t·m 710 kg SQ2ZA4
BLZ90K4 4.6 t 9 t·m 1600 kg BLZ90K5
SQ6.3ZA3 6.3 t 13.2 t·m 2050 kg BLZ129K4, SQ6.3ZA5
SQ6.3ZA4 6.3 t 13.2 t·m 2180 kg BLZ129K4, SQ6.3ZA5
SQ8ZA4 8 t 16.7 t·m 3050 kg SQ8ZA6
SQ8ZA5 8 t 16.7 t·m 3250 kg SQ8ZA6
SQ10ZA4 10 t 21 t·m 3350 kg SQ10ZA6
SQ10ZA5 10 t 21 t·m 3550 kg SQ10ZA6
SQ12ZA4 12 t 27 t·m 4480 kg SQ12ZA6
SQ12ZA5 12 t 27 t·m 4600 kg SQ12ZA6
SQZ350 16 t 34.8 t·m 4900 kg SQZ330
SQZ1000 50 t 90 t·m 10000 kg SQZ800

Telescopic Boom Truck Mounted Cranes

Model Capacity Max lifting moment Self weight Current equivalent Built to order
SQ3.2SA3 3.2 t 7 t·m 1280 kg SQ3.2SA4
SQ6.3SA3 6.3 t 15.75 t·m 2280 kg SQ6.3SA4
SQ8SA4 8 t 20 t·m 3600 kg SQ8SA5
SQ10SA5 10 t 25 t·m 3950 kg SQ10SA4
SQ12SA5 12 t 30 t·m 4550 kg SQ12SA4
SQ14SA4 14 t 35 t·m 4800 kg SQ14SA5

Knuckle Boom Marine Cranes

Model Capacity Max lifting moment Self weight Current equivalent Built to order
SQ08ZA3T+1 0.8 t 1.3 t·m 200 kg SQ08ZA3TJ+1
SQ1ZA3T+1 1.6 t 2.2 t·m 350 kg SQ1ZA3TJ+1
SQ2ZA4T 2 t 4.2 t·m 630 kg SQ2ZA2TJ
SQ3.2ZA3T 3.2 t 6.8 t·m 1190 kg SQ3.2ZA3TJ
SQ4ZA4T 4 t 8.4 t·m 1260 kg SQ4ZA3T, SQ4ZA3TJ
SQ5ZA3T 5 t 10.5 t·m 2060 kg SQ5ZA3TJ
SQ5ZA4T 5 t 10.5 t·m 2120 kg SQ5ZA3TJ
SQ6.3ZA4T 6.3 t 13.2 t·m 1680 kg SQ6.3ZA4TJ, SQ6.3ZA5T
SQ8ZA4T 8 t 16.7 t·m 2470 kg SQ8ZA6TJ
SQ8ZA4TJ 8 t 16.7 t·m 2550 kg SQ8ZA6TJ
SQ8ZA5TJ 8 t 16.7 t·m 2650 kg SQ8ZA6TJ
SQ10ZA5T 10 t 21 t·m 2780 kg SQ10ZA6TJ
SQ10ZA5TJ 10 t 21 t·m 2852 kg SQ10ZA6TJ
SQ12ZA4T 12 t 27 t·m 3900 kg SQ12ZA6T
SQ12ZA4TJ 12 t 27 t·m 3950 kg SQ12ZA6T
SQ12ZA5T 12 t 27 t·m 4200 kg SQ12ZA6T
SQ12ZA5TJ 12 t 27 t·m 4400 kg SQ12ZA6T
SQZ350T 16 t 34.8 t·m 4200 kg SQZ330T

Telescopic Boom Marine Cranes

Model Capacity Max lifting moment Self weight Current equivalent Built to order
SQ3.2SA3T 3.2 t 6.8 t·m 1050 kg SQ3.2SA4T
SQ5SA3T 5 t 12.5 t·m 1850 kg SQ5SA4T
SQ6.3SA3T 6.3 t 15.75 t·m 1940 kg SQ6.3SA4T
SQ8SA4T 8 t 20 t·m 3100 kg SQ8SA5T
SQ10SA5T 10 t 25 t·m 3950 kg SQ10SA4T
SQ12SA5T 12 t 30 t·m 4000 kg SQ12SA4T

About our knuckle boom truck mounted cranes

A knuckle boom truck mounted crane folds its boom at a joint, so it packs into a small space behind the cab while the truck drives. On site it unfolds to reach over the truck body and place loads, which suits building materials, deliveries and municipal work.

BOB-LIFT offers knuckle boom cranes in 18 capacity classes from 1.6 t to 50 t: 1.6, 2, 3.2, 4, 4.6, 5, 6.3, 8, 10, 12, 16, 20, 25, 28, 30, 34, 40 and 50 t. Several classes come in more than one version, such as the SQ8ZA4 and SQ8ZA5 at 8 t, or the SQ6.3ZA3, SQ6.3ZA4 and BLZ129K4 at 6.3 t. The 28 t to 50 t classes are the heaviest knuckle boom cranes in our current catalogue.

Match the crane to the truck first. A larger crane needs more mounting space and a stronger chassis, so tell us the truck you plan to use. Then read the load chart for each candidate model at your real working radius, not only at the shortest reach. Where two versions share a capacity, compare their charts and dimension drawings. If you need a straight boom instead, compare our telescopic boom truck mounted cranes.

Download the BOB-LIFT brochures

Load charts, dimension drawings and specification tables for each crane family, as a PDF you can save, print or forward.

  • PDF
  • EN
  • 22 pages
  • 14.4 MB

Truck Mounted Cranes Brochure

Knuckle boom and telescopic truck mounted cranes, timber cranes, fly jibs and attachments, with load charts and dimensions.

Download PDF

Compare the range

Figures from the BOB-LIFT technical sheets. Confirm the configuration for your truck or vessel with our team.

Model SQ1ZA3+1 1.6 Ton Knuckle Boom Truck Mounted Crane SQ2ZA4 2 Ton Knuckle Boom Truck Mounted Crane SQ3.2ZA3 3.2 Ton Knuckle Boom Truck Mounted Crane SQ3.2ZA4 3.2 Ton Knuckle Boom Truck Mounted Crane SQ3.2ZA4 SQ4ZA3 4 Ton Knuckle Boom Truck Mounted Crane SQ4ZA3 SQ4ZA4 4 Ton Knuckle Boom Truck Mounted Crane BLZ90K5 4.6 Ton Knuckle Boom Truck Mounted Crane SQ5ZA3 5 Ton Knuckle Boom Truck Mounted Crane SQ5ZA3 SQ5ZA4 5 Ton Knuckle Boom Truck Mounted Crane BLZ129K4 6.3 Ton Knuckle Boom Truck Mounted Crane BLZ129K4 SQ6.3ZA5 6.3 Ton Knuckle Boom Truck Mounted Crane SQ8ZA6 8 Ton Knuckle Boom Truck Mounted Crane SQ10ZA6 10 Ton Knuckle Boom Truck Mounted Crane SQ12ZA6 12 Ton Knuckle Boom Truck Mounted Crane SQZ330 16 Ton Knuckle Boom Truck Mounted Crane SQZ430 20 Ton Knuckle Boom Truck Mounted Crane SQZ500 25 Ton Knuckle Boom Truck Mounted Crane SQZ560 28 Ton Knuckle Boom Truck Mounted Crane SQZ600 30 Ton Knuckle Boom Truck Mounted Crane SQZ700 34 Ton Knuckle Boom Truck Mounted Crane SQZ800 40 Ton Knuckle Boom Truck Mounted Crane
Capacity 1.6 t 2 t 3.2 t 3.2 t 4 t 4 t 4.6 t 5 t 5 t 6.3 t 6.3 t 8 t 10 t 12 t 16 t 20 t 25 t 28 t 30 t 34 t 40 t
Max lifting moment 2.2 t·m 4.2 t·m 6.8 t·m 6.8 t·m 8.4 t·m 8.4 t·m 9 t·m 10.5 t·m 10.5 t·m 12.9 t·m 13.2 t·m 16.7 t·m 21 t·m 27 t·m 33 t·m 42.3 t·m 53.9 t·m 57.3 t·m 63.3 t·m 70.1 t·m 80 t·m
Self weight 470 kg 750 kg 1330 kg 1450 kg 1350 kg 1460 kg 1700 kg 2286 kg 2386 kg 1850 kg 2310 kg 3450 kg 3700 kg 4800 kg 4900 kg 5500 kg 6300 kg 6100 kg 7500 kg 8500 kg 9000 kg
Boom sections 3+1 4 3 4 3 4 – 3 4 – 5 6 6 6 – – – – – – –
Recommended Power 7.5 kW 9 kW 14 kW 14 kW 14 kW 14 kW 15 kW 22 kW 22 kW 22 kW 22 kW 25 kW 30 kW 30 kW 45 kW 45 kW 50 kW 65 kW 65 kW 75 kW 75 kW
Hydraulic System Flow 15 L/min 20 L/min 25 L/min 25 L/min 25 L/min 25 L/min 25 L/min 35 L/min 35 L/min 35 L/min 40 L/min 40 L/min 40 L/min 55 L/min 63 L/min 63 L/min 70 L/min 80 L/min 80 L/min 90 L/min 100 L/min
Hydraulic System Pressure 18 MPa 20 MPa 25 MPa 25 MPa 26 MPa 26 MPa 28 MPa 28 MPa 28 MPa 28 MPa 28 MPa 28 MPa 30 MPa 28 MPa 33 MPa 33 MPa 33 MPa 35 MPa 35 MPa 35 MPa 35 MPa
Oil Tank Capacity 25 L 25 L 60 L 60 L 60 L 60 L 57 L 100 L 100 L 87 L 100 L 160 L 160 L 160 L 200 L 240 L 240 L 260 L 260 L 300 L 300 L
Installation Space 550 mm 680 mm 850 mm 850 mm 850 mm 850 mm 800 mm 1050 mm 1050 mm 950 mm – – – 1400 mm – – – – – – –
Rotation Angle 330° 370° 400° 400° 400° 400° 380° 400° 400° 380° 360° continuous 360° continuous 360° continuous 360° continuous 360° continuous 360° continuous 360° continuous 360° continuous 360° continuous 360° continuous 360° continuous
Max. radius 4.23 m 7.54 m 7.7 m 9.4 m 7.7 m 9.4 m 11.7 m 8.05 m 9.9 m 10.23 m 12.2 m 14.68 m 14.68 m 14.5 m 15.9 m 16.6 m 15.9 m 15.9 m 20.3 m 20.3 m 20.3 m
Max. height ≈ 6 m ≈ 9.5 m ≈ 9.5 m ≈ 11.5 m ≈ 9.5 m ≈ 11.5 m ≈ 14 m ≈ 10.5 m ≈ 12 m ≈ 12.5 m ≈ 14.5 m ≈ 17 m ≈ 17 m ≈ 16.5 m ≈ 18 m ≈ 19 m ≈ 18.5 m ≈ 18.5 m ≈ 23 m ≈ 23 m ≈ 23 m
Max. boom angle 75° 80° 75° 75° 75° 75° 75° 75° 75° 75° 75° 84° 84° 75° 80° – – – – – 84°
Outrigger span 1565–3095 mm 1842–3500 mm 2250–3513 mm 2250–3513 mm 2250–3513 mm 2250–3513 mm 2324–4924 mm 2272–5122 mm 2272–5122 mm 2250–5110 mm 2290–5606 mm 2310–5610 mm 2310–5610 mm 2316–5706 mm 2324–5924 mm 2300–6600 mm 2300–7400 mm 2300–7400 mm 2250–8600 mm 2250–8600 mm 2250–8600 mm

From steel
to shipment.

Photographed at our factory in Xuzhou, Jiangsu: the steps a crane goes through before it leaves.

Parts and hydraulics
01 / 10 Parts and hydraulics Boom sections, cylinders, frames and hydraulic parts are staged next to the assembly line.
Parts and welds
02 / 10 Parts and welds Boom sections, cylinders and hydraulic parts are checked in the workshop before and during assembly.
Assembly halls
03 / 10 Assembly halls Knuckle and telescopic booms are assembled in long rows under overhead cranes.
Load and function test
04 / 10 Load and function test The finished crane is mounted on the test bay and runs through lifting, slewing and outrigger functions under load.
Lift the crane onto the chassis
05 / 10 Lift the crane onto the chassis An overhead hoist holds the crane while it is placed on the truck frame in the workshop.
Fix the crane to the frame
06 / 10 Fix the crane to the frame Technicians work under the cab to secure the crane base to the chassis.
Check the finished truck
07 / 10 Check the finished truck The crane stands complete on the truck with its boom raised for inspection.
Line up the order
08 / 10 Line up the order Every crane in an order is tested, set on its base or a pallet and lined up in the hall before packing.
Wrap the crane
09 / 10 Wrap the crane Cranes that ship without a chassis are wrapped in stretch film before they leave the workshop.
Load the container
10 / 10 Load the container A hoist or a forklift moves each packed crane into the container.

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