They have a capacity of 170 passengers, including 20 on an open upper deck, plus more space for wheelchairs and bicycles than earlier generations.

The first, MV Cockle Bay, arrived in Brisbane in September 2020,[43] to fill in for suspended cross-river ferries awaiting repairs.

It's powered by a 86 kW (115 hp) Perkins engine, with a maximum speed of 10 knots (19 km/h; 12 mph) and is operated by a crew of one.

[5] A prototype electric ferry, to be called the EVCat, was announced by Brisbane Lord Mayor Adrian Schrinner on 14 June 2023.

The proposed prototype would be 15 metres (49 ft) long and carry 50 passengers, larger than the KittyCats but smaller than the CityCats.

[47] These were powered by 134 kW (180 hp) Scania engines, with a maximum speed of 12 knots (22 km/h; 14 mph) and were operated by a crew of one.

These were powered by 86 kW (115 hp) Perkins engines, with a maximum speed of 10 knots (19 km/h; 12 mph) and were operated by a crew of one.