Mercury® Diesel 4.2L (270-350hp)
Quiet Ride
The high-pressure common-rail fuel-injection system in the Mercury® Diesel 4.2L not only ensures fuel economy, it also minimises Noise, Vibration and Harshness (NVH), along with smoke and odor – the undesirable factors many boaters associate with yesterday’s diesels.
Repower Reasons
The lightweight, compact design of these diesel engines makes them ideal drop-in replacement power packages for many older, fuel-guzzling petrol engines. Mercury’s full range of drives offers outstanding versatility to owners of sterndrive-powered boats.
Peak Performance
Impressive acceleration and quick throttle response are delivered by the proven common-rail fuel system, which incorporates a turbocharger and seawater after-cooler. These engines combine smooth performance with key diesel advantages, such as high torque and optimum fuel economy.
Intuitive Design
DTS controls enhance the performance of Mercury propulsion systems by providing smooth shifting and instant throttle response, with zero hesitation.
Corrosion-Resistance
Mercury diesels feature state-of-the-art anti-corrosion, including a thermostatically controlled closed water-cooled system. Water-cooled engine oil, gear oil and steering fluid decrease engine-room temperatures, extending engine life. The SeaCore® system is available for the ultimate in saltwater protection.
Specifications
Mercury Diesel 270 HP
Power mhp / kW - 270 / 199
Bore and stroke - 3.70 x 3.94" / 94 x 100 mm
Maximum RPM (WOT) - 3800
Engine type - Inline 6
Displacement (L) - 4.2
Dimensions (L x W x H) - 42 x 30 x 31" / 1077 x 773 x 790 mm
Weight (engine only) - 1014 lbs / 460 kg
Weight (incl. transmission) - 1111 lbs / 504 kg
Compatible drives - Bravo One X / Bravo Three X / Bravo Two X
Cooling system - Closed cooling
Fuel consumption - 16.0 gal/hr / 60.6 l/hr @ 3800 rpm
Emission - RCD 2 (BSO 2) / IMO 2 / EPA Tier 2 certified
Mercury Diesel 320 HP
Power mhp / kW - 320 / 235
Bore and stroke - 3.70 x 3.94" / 94 x 100 mm
Maximum RPM (WOT) - 3800
Engine type - Inline 6
Displacement (L) - 4.2
Dimensions (L x W x H) - 42 x 30 x 31" / 1077 x 773 x 790 mm
Weight (engine only) - 1014 lbs / 460 kg
Weight (incl. transmission) - 1111 lbs / 504 kg
Compatible drives - Bravo One X and XR / Bravo Three X and XR / Bravo Two X
Cooling system - Closed cooling
Fuel consumption - 19.0 gal/hr / 71.9 l/hr @ 3800 rpm
Emission - RCD 2 (BSO 2) / IMO 2 / EPA Tier 2 certified
Mercury Diesel 350 HP
Power mhp / kW - 350 / 257
Bore and stroke - 3.70 x 3.94" / 94 x 100 mm
Maximum RPM (WOT) - 3800
Engine type - Inline 6
Displacement (L) - 4.2
Dimensions (L x W x H) - 42 x 30 x 31" / 1077 x 773 x 790 mm
Weight (engine only) - 1014 lbs / 460 kg
Weight (incl. transmission) - 1111 lbs / 504 kg
Compatible drives - Bravo One XR / Bravo Three XR
Cooling system - Closed cooling
Fuel consumption - 16.0 gal/hr / 60.6 l/hr @ 3800 rpm
19.0 gal/hr / 71.9 l/hr @ 3800 rpm
21.5 gal/hr / 81.4 l/hr @ 3800 rpm
Emission - RCD 1 / IMO 2 / EPA Tier 2 certified
Get in touch via the form below or our Contact page. Or, just call us on 09 912 9997 weekdays between 8am and 4:30pm to talk to the team.
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Install or Repower Required?
Find out what's involved with getting your new engine ordered and into your boat ready to go out on the water.
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Stock Availability
Our team can let you know how many of this engine we have in stock, or if there is a wait time they will give you an ETA.
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Freight is Extra
Because shipping rates vary so much across New Zealand - or you may prefer to collect from us, or bring your boat in for an install, or get us to install at your marina, we quote each customer's freight individually so you only pay what you need to.
CONTACT US FOR A PERSONAL FREIGHT QUOTE.
Mercury Marine FAQs
Is Marine Works an Authorised Dealer for Mercury Marine?
Absolutely.
What Warranty does Mercury Marine offer?
Mercury offers a 3+3 warranty -see all the detail here.
Can you install my engine and provide after-sale servicing & repairs?
Absolutely.
We are a Mercury Premier Service Centre.