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Delivers exceptional performance, acceleration and top speed.
The high-displacement turbocharged engine spools up massive torque, generating instantly responsive power to get big boats moving and deliver a mid-range punch when you need it.
A thermostatically controlled closed-loop freshwater cooling system protects the engine in both fresh and saltwater.
From vibration-dampening engine mounts to an air filter strategically positioned to also reduce turbo noise, the 6.7L engine is optimised for a smooth, quiet ride.
The high-pressure common rail (HPCR) fuel injection system fine-tunes the air-to-fuel ratio to enhance acceleration, top speed and efficiency.
The 6.7L engine is ready for all-season adventure, with a grid heater that makes cold weather starts easy.
Upgrade your boating experience with trusted Mercury performance and flexible finance options. Enjoy $0 deposit finance and a 2.99% comparison rate on Mercury 40HP–300HP outboards. Offer available from 5 October 2026 to 24 January 2027.
Looking for reliable power without the bulk? Save up to $700 (including GST) on selected new 2.5HP to 30HP Mercury FourStroke outboards from 5 October 2026 to 27 January 2027. Compact, efficient, and dependable, they’re ideal for inflatables, tinnies, tenders, and small fishing boats.
A limited-time Stacer and Mercury promotion runs from 6 October to 14 November 2026, offering savings of up to $1150 on eligible 3.49m–4.5m boats and 5HP to 30HP outboards, with larger boats and engines receiving greater discounts. The offer applies to selected current stock and new orders through Mac's Marine.
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Talk to us about your new or used boat, equipment, or servicing needs – we service all engines and we’re locally based. We’re happy to answer any question you have, or provide you with an estimate. You can call, send an email, get social, or simply complete the enquiry form. Submitting an enquiry is quick and easy and helps us get back to you sooner with the right information.