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Our most popular mobile harbor crane

The Konecranes Gottwald Model 6 Mobile Harbor Crane is the entry model in our family of large mobile harbor cranes. It is very rugged and designed for high-performance applications with its load capacity up to 125 t, maximum working radius of 51 m and lifting speeds of up to 120 m/min. It is available in many variants, including four-rope grab variants with 40 t (A8 classification) and 50 t (A7 classification) grab curves. This crane can be used with ships up to post-Panamax and Capesize Bulker class.

The Model 6 has a unique and generously designed superstructure space concept for particularly easy servicing. Port operators can choose between three tower variants, with corresponding crane geometries and different viewing heights for the crane operator, to adapt the crane to their individual requirements. The Model 6 is a popular crane, employed for practically all port lifting applications.

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Model 6 variants

Variant	Maximum lifting capacity [t]	Hoisting speed [m/min]	Hoist configuration	Diesel engine nominal output (PRP, ISO 8528) [kW]
G HMK 6407	100	0 – 120	1 x 2 = one 2-rope hoist	809
G HMK 6507	125	0 – 120	1 x 2 = one 2-rope hoist	809
G HMK 6407 B	100 / 50 / 40	0 – 120	2 x 2 = two 2-rope hoists	1,007
G HMK 6507 B	125 / 50 / 40	0 – 120	2 x 2 = two 2-rope hoists	1,007

Powering the Combined Cargo Terminal

Since 2005, Konecranes has supported Combined Cargo Terminal (CCT) with its development in Moerdijk, the Netherlands. Our Gottwald Model mobile harbor cranes bring speed and efficiency to the terminal’s container handling and help CCT meet the required service level each day. See our Gottwald cranes in action and learn more about how they support CCT’s operations.Since 2005, Konecranes has supported Combined Cargo Terminal (CCT) with its development in Moerdijk, the Netherlands. Our Gottwald Model mobile harbor cranes bring speed and efficiency to the terminal’s container handling and help CCT meet the required service level each day. See our Gottwald cranes in action and learn more about how they support CCT’s operations.

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Learn more about Model 6 mobile harbor cranes

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Technical specifications

Dimensions and weight

	G HMK 6407	G HMK 6407 B	G HMK 6507	G HMK 6507 B
Radius [m]	11.0 – 51.0	11.0 – 51.0	11.0 – 51.0	11.0 – 51.0
Boom pivot point [m]
– Short tower	17.6	17.6	17.6	17.6
– High tower	23.0	23.0	23.0	23.0
– High tower with extension	26.0	26.0	26.0	26.0
Tower cab [m] (eye level)
– Short tower	20.7	20.7	20.7	20.7
– High tower	26.1	26.1	26.1	26.1
– High tower with extension	29.1	29.1	29.1	29.1
Propping base [m]	14.0 x 12.5	14.0 x 12.5	14.0 x 12.5	14.0 x 12.5
Chassis in travel mode [m]
– Standard	18.5 x 9.0	18.5 x 9.0	18.5 x 9.0	18.5 x 9.0
– Option	18.5 x 8.3	18.5 x 8.3	18.5 x 8.3	18.5 x 8.3
Weight [t] (approx.)	445	445	440	445

Hoisting height

	G HMK 6407	G HMK 6407 B	G HMK 6507	G HMK 6507 B
Above quay level	47.0 m	47.0 m	47.0 m	47.0 m
Below quay level	12.0 m	12.0 m	12.0 m	12.0 m

Travel gear

	G HMK 6407	G HMK 6407 B	G HMK 6507	G HMK 6507 B
Axles	7	7	7	7
Steered axles	7	7	7	7
Driven axles	2	2	2	2
Crab Steering [°]	25	25	25	25

Working speeds

	G HMK 6407	G HMK 6407 B	G HMK 6507	G HMK 6507 B
Slewing [rpm]	0 – 1.6	0 – 1.6	0 – 1.6	0 – 1.6
Luffing [m/min]	0 – 82	0 – 82	0 – 82	0 – 82
Traveling [m/min]	0 – 80	0 – 80	0 – 80	0 – 80

Optional features

The Model 6 crane is equipped with a standard range of features that improve productivity and eco-efficiency for economical, sustainable cargo handling in ports and terminals.

We also offer a range of optional, special features such as:

Load guidance system, including:

     - linear load motion
     - load antisway
     - point-to-point handling mode
     - hoisting height limiting system

Tandem lift assistant and vertical lift assistant
Verifiable weighing system

The use of energy-efficient hybrid drive units or external power sources significantly improves the efficiency of the drive system and helps reduce the environmental impact.