Nissan ZD Engine
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The Nissan ZD30 engine family is a 3.0-litre (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 is a Japanese multinational automobile manufacturer headquartered in Yokohama, Kanagawa, Japan. The company sells its vehicles under the ''Nissan'' and '' Infiniti'' brands, and formerly the ''Datsun'' brand, with in-house performance tuning ...
when they sold Nissan Diesel to
Volvo trucks Volvo Trucks () is a truck manufacturing division of Volvo based in Gothenburg, Sweden. Volvo Trucks was a separate company within Volvo. The Volvo Group was reorganised on 1 January 2012 and as a part of the process, Volvo Trucks ceased to b ...
in 2007.


Design

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 shaft Balance shafts are used in piston engines to reduce vibration by cancelling out unbalanced dynamic forces. The counter balance shafts have eccentric weights and rotate in the opposite direction to each other, which generates a net vertical force ...
s 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 A gerotor is a positive displacement pump. The name ''gerotor'' is derived from "generated rotor (turbine), rotor." A gerotor unit consists of an inner and an outer rotor. The inner rotor has ''n'' teeth, while the outer rotor has ''n'' + 1 ...
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 An alternator (or synchronous generator) is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. For reasons of cost and simplicity, most alternators use a rotating magnetic field wit ...
. A Dual-mass flywheel may be used with manual transmissions. The aluminium-alloy Crossflow cylinder head houses two camshafts (
DOHC An overhead camshaft (OHC) engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combus ...
) 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 Electronic throttle control (ETC) is an Automotive engineering, automotive technology that uses electronics to replace the traditional mechanical linkages between the driver's input such as a Car controls#Throttle control, foot pedal to the vehi ...
(
Drive by wire Drive by wire or DbW in the automotive industry is the technology that uses electronics or electro-mechanical systems in place of mechanical linkages to control driving functions. The concept is similar to fly-by-wire in the aviation industry. D ...
), MAF sensor (not for 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.These engines also feature Nissan’s Variable Valve Lift technology. The original versions of this engine were introduced in 1999, 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 2nd generation 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.


ZD30DD

The base ZD30DD engine was naturally aspirated with a VP44 distributor injection pump, had at 3800 rpm and at 2000 rpm, compression ratio was 18.5:1. On the Nissan Caravan with manual transmission torque was limited to ). Application: * 04/2001-08/2004 Nissan Caravan/Urvan/Homy E25 and rebadged as Isuzu Como * 2002–2008 Thairung NISSAN FREELIFE * Nissan Trade


ZD30DDT

This engine was supplemented with a turbocharger, non intercooled, at 3400 rpm and at 2000 rpm, compression ratio 17.9:1. Application: * 2001–2006 Nissan Navara/Frontier D22 * 2002–2008 Thairung NISSAN SUPER XCITER


1st Generation ZD30DDTI (2000–2006)

This engine was upgraded with an intercooler and still utilized a VP44 distributor injection pump, which may create confusion because later Common Rail engines have the same engine denomination. Several power levels were available. 1.) at 3200 rpm, at 1600-3200 rpm * 09/2002-08/2004 Nissan Caravan/Urvan/Homy E25, also rebadged as Isuzu Como 2.) at 3450 rpm, at 1600-3450 rpm * 08/2004-~2007 Nissan Caravan/Urvan/Homy E25, also rebadged as Isuzu Como 3.) at 3600 rpm, resp. (MT) at 1800 rpm * 09/1999-08/2002 Nissan Patrol Y61 4.) at 3600 rpm, at 1800 rpm * 02/1999-08/2002 Nissan Pathfinder/Terrano R50 * 1999-2006 Nissan Terrano II R20 (Europe only) * 08/1999-05/2002 Elgrand E50


2nd Generation ZD30DDTI CRD/Common Rail Injection (2007)

This major revision of the ZD30 became available in MY 2007. At that time the previously offered TD42Ti was discontinued due to failing updated EURO IV emission standards and was replaced by the commonrail ZD30DDTI engine. Bosch injection equipment was utilized with a 1600 bar system pressure and an improved ECU. Compression ratio was 17.9:1, to keep emissions low a hot EGR with heat exchanger was also installed. Beginning in 2012, this was gradually replaced by the smaller but equally powerful YD25DDTi engine. 1.) The common rail ZD30 engines were first seen on Renault Master and Renault Mascott in 2004, three years before the introduction by Nissan. The Renault Master is the only known transversal installation of this engine. By Renault the engines may have been named ZD3 or DXI 3. *2003-~2007
Renault Master The Renault Master is a large van produced by the French manufacturer Renault since 1980, now in its third generation. It replaced the earlier Renault Super Goélette light trucks. Opel has sold versions of the second and third series vans as ...
, at 3600 rpm and at 1800 rpm *2004-2007 Renault Mascott, at 3600 rpm, at 1300 rpm *2004-2007 Renault Mascott, at 3600 rpm, at 1500 rpm * on Fuso Canter Guts 2.) Initially this power level offered at 3600 rpm, at 1600-3400 rpm, but was slightly improved to at 3400 rpm, at 1100-3000 rpm while engines were modified to comply with stricter emission requirements (Euro VI at present). * 2007–2010 Renault Mascott * 2007-06/2012 Nissan Caravan/Urvan/Homy E25, also rebadged as Isuzu Como * 2007- Nissan NT400/Atlas F24, also rebadged as UD / Condor CARGO, Isuzu Elf 100, Mitsubishi Fuso Canter Guts 3.) Initially this power level offered at 3600 rpm, at 1600 rpm, but was slightly improved to at 3400 rpm, at 1800–2500 rpm or 2000 rpm while engines were modified to comply with stricter emission requirements. * 2007–2010 Renault Mascott * 2006–2013 Nissan Atleon (Euro V/EEV) (for 3.5 ton and 5.6 ton
GVWR Vehicle weight is a measurement of wheeled motor vehicles; either an actual measured weight of the vehicle under defined conditions or a gross weight rating for its weight carrying capacity. Curb or kerb weight Curb weight (American English) or k ...
models) * 2007- Nissan NT400/Atlas F24, also rebadged as UD / Condor CARGO, Isuzu Elf 100, Mitsubishi Fuso Canter Guts * 06/2008-07/2010 Nissan Civilian W41, also rebadged as Isuzu Journey * 2013-~2018 Nissan NT500 (successor of the Atleon) * Nissan Patrol at 3600 rpm, MT: at 2000 rpm, AT: at 2000 rpm * Nissan Patrol at 3600 rpm, at 1800 rpm


ZD30DDTT

This engine is based on the 2nd generation ZD30DDTI but features twin turbo charging, Euro VI, at 2600 rpm, at 1400–2200 rpm. * 2013-~2018 Nissan NT500 (successor of the Atleon)


Remark

There is also a ZD25 engine built in China, where it is also known as the DK4A diesel engine. With a bore and stroke, it displaces and produces with common rail injection and an intercooler.


See also

List of Nissan engines


References

{{nissan ZD Straight-four engines Diesel engines by model