AVRA Towage Adds to Fleet

Wednesday, July 21, 2010
Photo courtesy Capt. Piet Sinke

With the July delivery of the tug Northwind, the Rotterdam-based firm Avra Towage is now operating a fleet of six tugs with a seventh under construction. Three of the company’s original five-boat fleet have Cummins main engines, so it was an easy choice to go with Cummins engines for the Northwind. However, where the others have 2,400 hp and 32 tons of bollard pull with a pair of 38-litre Cummins main engines (tugs South, West, and East), the new boats are powered by a pair of the larger 50-liter Cummins KTA50-M engines. These generate a total of 3,200 hp to give the boats bollard pulls of 43 tons.
Northwind Specifications:
Vessel type    Twin screw tug
Class    Bureau Veritas I 3/3 E, Tug unrestricted
Flag    Dutch Antilles
Gross tonnage    320
Speed    11 knots
Bollard pull    43 ton

Length, o.a.    102 ft
Beam, o.a.    31.1 ft
Depth at sides    13.8 ft
Draught aft    11.5 ft

Bunker capacity        268 mt gasoil
Freshwater    46 mt
FW maker     6 mt
Main engines    2 x Cummins KTA50M2
Output    3,200 HP
Gearboxes    2 x Twindisc
Propulsion    2 x 4-Blades Magnese Bronze
Diameter    2 x 2300 mm, Short Nozzles

Generator sets    2 x Cummins 6BT5.9 DM
Capacity    2 x 100 KVA
Harbor generator    1 x Cummins S3.8 G6, 40 kw – 50 kva Air-cooled

Towing/anchorhandling winch    DMT Double drum winch
Deck crane    Fassi 66 TM; reach 11.55 mtr
Stern roller    1 stern roller; 50 mt SWL
Anchor winch    1 x Hydraulic Anchor Windlass, 2 x stockless bow anchors, 570 kgs

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