Yanmar International has announced the official launch of the game-changing Dtorque 111 twin-cylinder 50hp diesel outboard engine. This is the world's smallest diesel outboard engine with common-rail fuel injection and it’s now being demonstrated and trialled in Australia through Power Equipment.
The compact German-made Dtorque 111 has been designed to revolutionise the small workboat market, where its expected lifespan of well over 10,000 hours at least doubles that of any comparable outboard petrol engine.
As we reported with this news of the Neander Dtorque 111,
the unique engine is said to offer remarkably smooth and quiet diesel propulsion, delivering 50hp at the propeller, with a big torque output of 111Nm at just 2500rpm.
Yanmar says this is considerably better than the latest 70hp four-stroke petrol outboard and more than enough to quickly accelerate most small craft onto the plane, while also having plenty of low-down lugging power for heavy displacement duty.
NEANDER DIESEL OUTBOARD SPOTLIGHT?
>> First dual-crankshaft turbo diesel outboard for low vibration
?>> Dtorque 111 model creates 50hp @3500-4000rpm
?>> Full torque at just 2000-3000pm
?>> Common-rail diesel injection
?>> Weight of 175kg
NEANDER IN GERMANY
To create the Dtorque 111, the German developer and manufacturer Neander deconstructed conventional small-diesel engineering to first principles.
The result is a two-cylinder common-rail turbo charged diesel engine, using a unique system of dual counter-rotating crankshafts in an aluminium block, which dramatically reduces the vibration levels that a conventional small two-cylinder diesel engine would normally generate.
This technology with a patented 'Spaceball' design not only achieves less vibration but also less noise, lighter boat handling and less stress on the engine, Yanmar says.
SMALLEST DIESEL OUTBOARD
The Dtorque 111 is the world's smallest diesel outboard engine with common-rail fuel injection. This enables it to deliver an impressive performance with class-leading fuel economy and exhaust emissions that fall well within the latest EU RCD 2 limits.
At full throttle and loading it typically burns under 12 litres of fuel per hour, two times less than most 70hp petrol outboards of similar performance. The Dtorque 111 ensures fewer refuelling stops and lower running costs.
For the past two years, Yanmar and Neander have been trialling pre-series outboards in six EU pilot countries.
"We invited a wide cross-section of our customers around Europe to performance-test the outboards in differing sea states and loading conditions gathering as many opinions as possible," explains Floris Lettinga, YMI Global Sales Manager.
"Our research has confirmed that this product is ideally placed for the light duty commercial market, from wind turbine servicing and fish farming to harbour and patrol duties, water taxis and superyacht charter services.
"We are confident that the combination of long range, low running costs, durability and low emissions delivered by this unique diesel outboard will appeal to operators across a wide range of applications," Lettinga said.
With many commercial operators maintaining a single diesel fuel policy to avoid risk of fire and explosion, the market potential for the Dtorque 111 exists today.
The Dtorque 111 turbo diesel outboard is SOLAS (MOB) certified and now in full production with customer deliveries in the last quarter of 2017.
AUSTRALIAN UPDATE
Trials of the Dtorque 111 have now been conducted in Australia by Yanmar agent Power Equipment.
Luke Foster, GM of Power Equipment, told boatsales.com.au that his Melbourne staff have had training in Europe on the new Dtorque, as well as the
unique Oxe diesel outboard engines made by the Cimco Marine in Sweden.??
The Oxe is belt-driven 2.0L four-cylinder engine that produces 200hp at 4100pm and uses a hydraulic multifunction clutch for gear ratios from 1.73:1 to 2.17:1. This way, you can slip the clutch for trolling and go straight from forward to reverse without stripping gears.??
Both the Neander Dtorque 111 and Oxe are unique diesel outboards in different ways, but they complement Power Equipment’s suite of alternative engines that include the electric Torqeedo motors — recently acquired by German engine manufacturer Deutz — as well as its traditional Yanmar and John Deere diesel inboard ranges.
In short, there’s plenty happening with alternate marine engine technology, though the wheels are really only getting in motion.
Specifications: Neander Dtorque 111?
Power: 50hp/36.8kW at 3500-4000rpm
Torque: 111Nm at 2000-3000rpm
Engine Type: Four-stroke turbo diesel
Balance: Dual counter-rotating crankshafts
Swept Volume: 804cc
Bore x Stroke: 80cm x 80cm
Cylinders: Two in-line, twin
Intake: Water-cooled turbo charger and charge air cooling
Lubrication: Integrated dry sump
Fuel: Diesel
Injection: Bosch
Cooling: Thermo Management System
Exhaust: Thru-hub
Steering: Tiller/remote
Trim: Power trim
Shift: Mechanical dog clutch
Gearbox: 2.07:1
Shaft Length: 20in and 25in
Prop: Three blade
Weight: 175kg dry basic version
More at Neander Dtorque.