TOWER CRANE

In Proficiency (HK), we understand each construction is a tough row to hoe. Main Contractors aims to solve the urging issue in the most cost-efficient way, but they are often overwhelmed by the variety of equipment brands and options. Proficiency (HK) is here to bridge this gap between the contractor and the manufacturer, as we seek only the best equipment customised just for our clients. Just send us your enquires and our team of professional engineers will solve your problem at the drop of a hat.

Wolff 320B
YOM 1998

Type Luffing Jib

Jib Length 50m

Mast Height Free

standing height: 40.5m

Max.Capacity: 14t @ 5.0-15.0m (1-fall)

Tip Capacity: 5.5t @ 50m (1-fall)

Condition: Good
Wolff 700B
YOM: 2013

Type: Luffing Jib x 2 Internal Climbing

Jib Length: 45m (70m upon request)

Mast Height Free standing

Height: 45.8m (can be increased upon request)

Max. Capacity: 40t @ 4.6-19.5m (2-fall)

Tip Capacity: 1 6.8t @ 45m (2-fall)

Condition: Excellent
Wolff-7532
Type Trolley Jib

Jib Length 76.6m

Max. Capacity 28t @ 4.5-16.0m (2-fall)

Tip Capacity 6.7t @ 50m (2-fall)
Wolff 630B
YOM: 2014
Type: Luffing Jib
Jib Length: 55m
(Up to 70m upon request
Or 60m for 3-fall operation)

Mast Height: Free

standing height: 48.1m

Final height: 93.1m
(can be increased upon request)

Max. Capacity 42t @ 6.2-16m (3-fall)

Please refer to the load chart document for more information

Tip Capacity 8.1t @ 60m (3-fall)

Condition Excellent
Wolff-355B
YOM 2010& 2012

Type Luffing Jib x2

Jib Length
40m (60m upon request)
50m (60m upon request)

Mast Height Free
standing height: 37.5m

Maximum height: 69.0m

Free standing height: 27m
(both can be increased upon request)

Max. Capacity 14t @ 3.6-33.5m (1-fall)

28t @ 4.5-16.0m (2-fall)

Tip Capacity 11.6t @ 40m (1-fall)

6.7t @ 50m (2-fall)

Condition Excellent
Kroll-K1000
Type Trolley Jib

Jib Length Up to 78m

Max. Capacity 30t @ 7-33m

Tip Capacity 11t @ 78m
Kroll-K1400
YOM 2012

Type Trolley Jib x 3

Jib Length
42.5m
51.8m
63.4m
(80m upon request)

Mast Height Free

standing height: 54.1m

Free standing height: 62.0m

Free standing height: 77.1m
(Can be increased upon request)

Max. Capacity 60t @ 8.5-28.7m (6-part)
60t @ 8.5-28.7m (6-part)
60t @ 8.5-28.7m (6-part)

Tip Capacity 37.6t @ 42.5m (6-part)
29.6t @ 51.8m (6-part)
23.0t @ 63.4m (6-part)

Condition Excellent
Kroll-K1800
Type Trolley

Jib Length 80m

Max. Capacity 40t @ 9-40m

Tip Capacity 17t @ 80m
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