Boating NZ - - Feature / Diesel Outboards -

The two-litre OXE – avail­able in 150hp and 200hp ver­sions – is also a turbo-charged en­gine, but it’s hor­i­zon­tally-mounted with a belt-driven propul­sion sys­tem cou­pled to a hy­draulic mul­ti­plate clutch trans­mis­sion. This de­sign elim­i­nates the tra­di­tional out­board’s ver­ti­cal shafts and bev­elled gears and al­lows the full torque of the diesel to be trans­ferred to the pro­pel­ler shaft. A ma­jor ad­van­tage of the hor­i­zon­tal con­fig­u­ra­tion is that all ser­vice points are on the front of the en­gine – main­te­nance and ser­vic­ing can be done on the wa­ter.

The con­fig­u­ra­tion also al­lows crash-stop ca­pa­bil­ity. The smooth gear en­gage­ment and pre­cise con­trol is ideal for moor­ing or car­ry­ing out low-speed ma­noeu­vres and trolling func­tion­al­ity. By switch­ing the ori­en­ta­tion of the pri­mary belt hous­ing, it is also pos­si­ble to change the gear ra­tio to suit high-torque or high-speed op­er­a­tions. With its high torque, the OXE sup­ports large-di­am­e­ter pro­pel­lers for high thrust ap­pli­ca­tions, such as dis­place­ment ves­sels and work barges.

The gear­box de­sign al­lows for a twin in­stal­la­tion with clock­wise or anti-clock­wise ro­ta­tion. The en­gines are avail­able in shaft lengths of 20in, 25in and 30in. Weight varies from 280kg to 300kg de­pend­ing on leg length – a rel­a­tively mod­est penalty of around 25-30kg over an equiv­a­lent 200hp V6 petrol out­board.

Cimco Marine says low fuel con­sump­tion means a greater op­er­at­ing range, longer in­ter­vals be­tween re­fu­elling, lower fuel costs, less main­te­nance and lower life-cy­cle costs – all at­tributes likely to ap­peal to gov­ern­ment, res­cue, mil­i­tary and com­mer­cial ap­pli­ca­tions.

The closed-cir­cuit cool­ing sys­tem al­lows for a pow­er­ful al­ter­na­tor and cabin heat­ing, im­por­tant con­sid­er­a­tions for those op­er­at­ing in cold weather or us­ing de­mand­ing power equip­ment.

The en­gines meet the new Recre­ational Craft Di­rec­tives as well as next year’s Tier 3 emis­sions stan­dards. Ser­vice in­ter­vals are 200 hours with a ma­jor over­haul at 2,000 hours for heavy com­mer­cial use.

OXE en­gines are cur­rently used com­mer­cially in Antarc­tica by Nor­we­gian ad­ven­ture cruise line Hur­tigruten to power 15 ship-to-shore 20-per­son RIB ten­ders. Re­ports in­di­cate ma­jor fuel sav­ings and the en­gines are prov­ing to be ro­bust and re­li­able.

OXE 150HP OUT­BOARD $57,000 + GST ($AUS) DIS­TRIB­UTED BY Power Equip­ment www.pow­erequip­ment.co.nz

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