The Nissan ZD30 engine family is a 3.0 litres (2,953 cc) inline four cylinder diesel engine with a bore and stroke of 96 mm × 102 mm (3.78 in × 4.02 in), that replaced the Nissan QD, BD and TD engines. At Renault it also replaced the Sofim 8140 engine and is the only truck diesel engine which remained with Nissan Motors when they sold Nissan Diesel to Volvo trucks in 2007.
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| - 日産・ZDエンジン (ja)
- Nissan ZD engine (en)
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| - 日産・ZDエンジンとは、1990年代末からQD型エンジンの後継として日産ディーゼル工業(現・UDトラックス)が生産している自動車の4気筒ディーゼルエンジンであり、すべてDOHCである。排気量は2,953cc。当初は日産ディーゼル工業が権利を所有していたが2000年末に開発、製造、販売に関する権利を日産自動車に譲渡し、その後は日産自動車からの委託により日産ディーゼル工業が開発、製造を行い日産自動車及びルノーに供給する形となっている。 (ja)
- The Nissan ZD30 engine family is a 3.0 litres (2,953 cc) inline four cylinder diesel engine with a bore and stroke of 96 mm × 102 mm (3.78 in × 4.02 in), that replaced the Nissan QD, BD and TD engines. At Renault it also replaced the Sofim 8140 engine and is the only truck diesel engine which remained with Nissan Motors when they sold Nissan Diesel to Volvo trucks in 2007. (en)
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turbocharger
| - on all but DD-engines (en)
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valvetrain
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| - The Nissan ZD30 engine family is a 3.0 litres (2,953 cc) inline four cylinder diesel engine with a bore and stroke of 96 mm × 102 mm (3.78 in × 4.02 in), that replaced the Nissan QD, BD and TD engines. At Renault it also replaced the Sofim 8140 engine and is the only truck diesel engine which remained with Nissan Motors when they sold Nissan Diesel to Volvo trucks in 2007. It features a cast-iron crank case, which is horizontally divided in the crank shaft plane into a lower and an upper part. A set of gear driven balance shafts is located slightly higher than the crankshaft, the vacuum pump is placed on the gear cover and driven by the RH (intake side) balance shaft. The Gerotor oil pump is also located on the front side of the crankshaft. A Serpentine belt with hydraulic tensioner powers the a/c compressor, the water pump and (via a freewheeling pulley to reduce squeaking when engine decelerates) the alternator. A Dual-mass flywheel may be used with manual transmissions. The aluminium-alloy Crossflow cylinder head houses two camshafts (DOHC) driven by a combined gear and chain drive operating 4 valves per cylinder (16 in total) by bucket tappets. Exhaust is on the LH side which makes an “exhaust forward” arrangement when the engine is installed transversally. Even the first series of “mechanical” engines have an ECU with Electronic throttle control (Drive by wire), MAF sensor (not for all engines with 96 kW and below), advanced lube oil monitoring etc. Turbocharged and intercooled engines have Swirl flaps incorporated into the intake manifold to improve combustion at low revs. The original versions of this engine were introduced in 1999 (MY 2000) utilizing a VP44 distributor injection pump and represent the transition from the former naturally aspirated all mechanical ohv engines with swirl combustion chamber (except the truck engine BD30 with direct injection) to the later common rail DOHC design. The ECU's functionality has been improved during the life time of this first generation and with the introduction of the later Common Rail engines. (en)
- 日産・ZDエンジンとは、1990年代末からQD型エンジンの後継として日産ディーゼル工業(現・UDトラックス)が生産している自動車の4気筒ディーゼルエンジンであり、すべてDOHCである。排気量は2,953cc。当初は日産ディーゼル工業が権利を所有していたが2000年末に開発、製造、販売に関する権利を日産自動車に譲渡し、その後は日産自動車からの委託により日産ディーゼル工業が開発、製造を行い日産自動車及びルノーに供給する形となっている。 (ja)
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