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Halliday Engineering recently completed major engineering works on Svitzer's tug 'PB Plenty' as part of their Joint Venture with Sydney City Marine

Newcastle-based tug ‘PB Plenty’ had the good fortune to come under the continuing partnership between Halliday Engineering and Sydney City Marine. The partnership brings unprecedented efficiency and opportunity to clients, and already it has proven to be a great success. With Halliday’s fitters and boilermakers on site at Sydney City Marine and their precision workshop nearby, work on the tug was much more efficient and streamlined.

The work on ‘PB Plenty’ included a 10 year service on the Azimuth thrusters and a 5 year service on the forward winch, which involved machining and fitting new bronze bushes. Find out more about the full range of jobs carried out on the tug below.

Against the odds, the engineering works were achieved in the scheduled 20 days despite the obstacles COVID-19 presented. “Getting it done on time was down to the close interaction with Sydney City Marine — we are on the same team and have the same goals, the same target at the end of the day,” says Chris Bradley, Project Director.

Joint Venture with Sydney City Marine

It’s a match made in heaven for us, as we gain this incredible facility where we can provide our engineering expertise. Sydney City Marine and Halliday Engineering share the same values in delivering quality, reliability and value.

Luke Halliday


Azimuth thruster

10 year service — involving propeller shaft seal change and a turning seal change.

Upper gear box

Service work carried out on the upper gear box for Azimuth thrusters.

Box coolers

Box coolers were removed, rigged out of engine room, acid cleaned, pressure tested and then reinstalled.


5 year service — refurbished the brake and clutch bands and machined new custom bronze bushes  (fitted using liquid nitrogen).

Fender straps

Removed the forward main fender and two aft quarter fenders for blasting and painting, and replaced them with new straps.

New anodes

Existing sacrificial anodes were replaced with new.

Hatch refurbishment

Hatch soft patches and sealing rubbers were replaced to make them watertight.

Underwater seawater isolating valves

Valves were removed and replaced.


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