ShaalderShalder - Specification

Main Dimensions

Length overall
Breadth moulded
Displacement working
800 tonnes
Gross tonnage
482 tons

Propulsion Machinery

Main Engines
2 x Ruston 12RK 3CM
Propulsion Units
2 x Voith Schneider propellers size 32 GV11-200

Auxiliary Machinery

3 x Gardner 6LXB driving Stamford alternetor 78 KVA (air cooled) supplying 440 volt, 3 phase, 50 Hz.

Towing Equipment

Main Winch
MacTaggart Scott dual purpose harbour and sea towing winch, with 40mm wire and a No. 9 double grommet spring of multiplat supermix. Powered by 46hp power pack in engine-room.
Storage Winch
MacTaggart Scott storage winch for sea towing wire of 660 metres 40mm wire powered from Hiab power pack.
Towing Hook
Clyde Shipping swinging arm with remote trip.


12.5 Knots
Bollard Pull
45 tonnes ahead
Range (at full speed)
10 days

Tank Capacities

Fuel Oil
144 tonnes
Fresh Water
21 tonnes
Water Ballast
99 tonnes
14 tonnes

Oil Dispersal

Full Warren Springs Laboratory equipment with fixed Megator pump.

Navigation Equipment

Gyro Compass
Sperry 120
Main Radio
Skanti IRP 6000 400 watt
2 x Sailor RI 1448 with 4 remote hand sets
1 Furuno FR 1011 gyro stabilised with interference rejector card, 1 Furuno FR 701
Echo Sounder
1 Simrad 146E
Internal Communication
Satellite Navigation
Demek RS5000 with gyro and log interface
Speed Log
1 Ben Gallilee
Watchkeeping radio
Sailor R501


Crew of 6
Master and chief engineer single berth cabins with private shower and toilet. Mate, 2nd engineer and general purpose ratings single occupancy cabins with double berth capacity.


Section View

Main Deck

Lower/Engineering Deck


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