Power Profile

A.W.B 433
Yanmar Australia

Another successful repower replacing an old Detroit 6-71 with a YANMAR 6CH. The installation was carried out by Sydney Harbour Boatbuilders on this beautifully restored ex Australian Navy workboat built by J. Botterill and Fraser in 1944.

The vessel performs flawless with its new engine with greatly reduced noise level in the cabin compared to the old 6-71 Detroit with no oil fumes. The owner wanted something more reliable with good fuel economy while still giving good performance, which the YANMAR 6CHE3 delivers.

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Pleasure Craft

Engine Brand:


Engine Model:


Application: Pleasure Craft
Vessel Construction: Timber
Vessel Name: A.W.B 433
Vessel Owner: David Parker
Length (LWL / LOA): 40’ LOA
Weight: 10 T
Engine Model: 6CHE3
Engine Power Rating: 84.6kW (115MHP) @ 2550rpm
Drive Configuration: Shaft Drive
Gear Ratio and Model: YX30-2 / 3.48:1
Electronic Control Type: N/A
Cruise Speed: 7-8 Knots
Top Speed: 11 Knots
Propeller Size: 29” – 3 Blade
Technician Name: Ian Mills
Date of Operational Check: 14th August 2020
Sold by: Power Equipment NSW / Sydney Harbour Boatbuilders
Repower Installation Completed by: Sydney Harbour Boatbuilders

Disclaimer: Power Equipment provides this Performance Report for general information only. This data is accurate only as to the exact date, time and specifications set out in this Report. YANMAR makes no warranties as to the performance or fuel consumption of any boat equipped with a Yanmar engine as numerous factors affect actual performance of an engine