JTD engine

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JTD/MultiJet engine
Manufacturer Fiat Group/General Motors
Maruti Suzuki
Tata-Fiat JV
Also called CDTi (Opel)
TiD/TTiD (Saab)
DDiS (Suzuki)
D (Cadillac)
Quadra-Jet (Tata)
Production 1997–present
Displacement 1.3 L 1248 cc
1.6 L 1598 cc
1.9 L 1910 cc
2.0 L 1956 cc
2.4 L 2387 cc
Cylinder block alloy cast-iron
Cylinder head alloy aluminium alloy
Turbocharger Single or twinturbo
Fuel type Diesel
Cooling system Water cooled
Power output 51 kW (70 PS) -154 kW (210 PS)

JTD , an initialism for uniJet Turbo Diesel, is Fiat Group's term for its current common rail turbodiesel engine range. The MultiJet name is used in the second generation JTD common rail units. Most of the Fiat, Alfa Romeo and Lancia range has JTD engines. Ownership of some Fiat JTD designs is shared with General Motors as part of a settlement of the failed merger between the two auto conglomerates. GM Powertrain Torino group in Turin, Italy manages their interest in these engines. Some PSA Peugeot Citroën diesel engines are also rebadged as JTD. A new generation JTD engine, Multijet II was introduced in Fiat Punto Evo in 2009.

Contents

[edit] 1.3

A small 1.3 L (1248 cc) version (called the SDE, Small Diesel Engine) is produced in Bielsko-Biała, Poland. The Multijet 75 PS version was chosen in 2005 as the International Engine of the Year in the 1-litre to 1.4-litre category.

There are four versions of this engine: a 70 PS (51 kW; 69 hp), a 75 PS (55 kW; 74 hp) (used in the Fiat Punto, Panda, Palio / Albea, Fiat Idea, Opel Corsa / Combo, Opel Meriva and Suzuki Swift), a variable inlet geometry 90 PS (66 kW; 89 hp) (used in the new Fiat Grande Punto, Fiat Linea, Opel Corsa, Opel Astra and Alfa Romeo MiTo), and a 105 PS (77 kW; 104 hp) is available to Lancia Ypsilon. At the time of the launch this was the smallest four-cylinder diesel engine available and has a fuel consumption of 3.3 L/100 km (86 mpg-imp; 71 mpg-US) in some applications. The engine is able to meet Euro IV pollution standards without the use of a diesel particulate filter.

In January 2008 Tata Motors introduced new Indica Vista model, which features new QuadraJet branded version of this engine.[1] The second generation Ford Ka uses 1.3 Multijet named as Duratorq TDCi .

During 2009 Fiat launched a new generation badged Multijet 2, with a new injection management system (up to 8 injections per cycle, instead of 5) and able to meet Euro V pollution standards. It is available in two versions: 75 PS (55 kW; 74 hp) and 95 PS (70 kW; 94 hp).

Applications:

[edit] 1.6

A 1.6 L (1598 cc) version of the engine, with a maximum power output of 120 PS (118 hp/88 kW) was announced for 2006.[2] The new 1.6 JTD diesel (105 PS) was released December 2007, it came in spring 2008 as 120 PS version.[3]

Applications:

[edit] 1.9

JTDm engine cover of Alfa Romeo 159

The most common JTD engine is the 1.9 L (1910 cc) straight-4 found on various brands and models. The first car that used this engine was Alfa Romeo 156 in 1997 (105 PS (77 kW; 104 hp)), making it the world's first common-rail Diesel passenger car. In 1999 it was introduced with the Fiat Punto and Fiat Brava/Fiat Bravo/Fiat Marea. The engine block weighs approximately 125 kg (276 lb).

The Multijet second generation features a common-rail design and is available with five different power outputs. The 8-valve version has 100 PS (74 kW; 99 hp), 120 PS (88 kW; 120 hp) or 130 PS (96 kW; 130 hp), the last two with variable geometry turbocharger; and the 16-valve version has 150 PS (110 kW; 150 hp) or 170 PS (130 kW; 170 hp).

Opel also uses a version of this engine. Their CDTI engine, manufactured in Pratola Serra, Italy and Kaiserslautern, Germany, is the product of the half-decade joint venture between GM and Fiat. It is used in the Vectra, Signum, Astra, Zafira, Cadillac BLS and Suzuki SX4 as well as some Saabs marked as TiD and TTiD (twinturbo version).

Applications:

[edit] 1.9 Twin Turbo

Engine cover of Lancia Delta´s 1.9 TT Multijet.

Fiat Powertrain Technologies released information about new twin stage turbo (twin turbo) version of this engine in summer 2007, engine is available with two power levels, first one is producing 180 PS (132 kW; 178 hp) and second one 190 PS (140 kW; 187 hp), both have a maximum torque output of 400 N·m (295 lb·ft) at 2000 rpm. 180 PS version production started summer 2007. The engine weighs approximately 185 kilograms (410 lb). This engine will be sold both to Fiat Group Automobiles and other brands, but the 190 PS (140 kW; 187 hp) version is reserved only to Fiat Group Automobiles.[5]

Applications:

[edit] 2.0

JTDm 2 engine cover of Alfa Romeo Giulietta

A new 2 litre (1956 cc) Multijet diesel was introduced in third generation Lancia Delta in summer 2008. At its first version this engine produces 165 PS (121 kW; 163 bhp). For 2009 the engine was fitted to Alfa Romeo 159 as 170 PS (125 kW; 168 hp) variant. Fiat Sedici, Suzuki SX4 and the new Fiat Doblò generation use a 135 PS (99 kW; 133 hp) variant of this engine. GM Powertrain Europe develop new derivative - the BiTurbo version, with 195 PS (143 kW; 192 bhp), which is produced for Opel for the Insignia. GM Powertrain also developed[citation needed] 2 litre 165 PS (121 kW; 163 bhp) engine for Astra and Insignia. The same engines was also available in the 2011 Saab 9-5, which shares its powertrains with the Insignia.

Applications:

[edit] 2.0/2.2 (PSA)

The 2.0 JTD (1997 cc), used on Fiat Scudo, is not actually a Fiat engine, but rather a rebadged PSA DW10 engine.

The related 2.2 M-JET (2179 cc) used on Lancia Phedra and Fiat Ulysse is rebadged version of PSA DW12 engine, it produces 130 PS (96 kW). In January 2008 was introduced a new version with 170 PS (125 kW).

Applications:

[edit] 2.3

The 2.3 Multijet (2287 cc) was developed by Iveco and is available in two versions 120 MultiJet (Sofim FI AE048ID) and 130 MultiJet (Sofim FI AE048IN 2287), these engines produce 116 PS (85 kW) and 127 PS (93 kW) respectively.

Applications:

  • Upcoming Fiat mid-size pick-up truck

[edit] 2.4

Engine cover of Alfa Romeo 166 2.4 JTD.

The 2.4 L (2387 cc) straight-5 version is based on the 2.4 124 PS (91 kW; 122 hp) 5 cylinder TD engine as used in the Mk1 Fiat Marea and the Mk1 Lancia Kappa. The JTD version benefits from the solid build of the TD block, and an improved head/injection system. There are 2 versions of the 2.4 JTD, the 10-valve as used in the Fiat Marea 130 JTD and the earlier Alfa Romeo 156 diesels where it was available as 136 PS (100 kW; 134 hp),140 PS (103 kW; 138 hp), 150 PS (110 kW; 148 hp) and later a Multijet 20-valve version 175 PS (129 kW; 173 hp) as used in the later (2003>) Alfa Romeo 156 as well as some Lancia vehicles.

It was designed for transverse front-wheel drive use and was deemed too long and tall for widespread use in other GM or Fiat products. A newer Multijet variant of this engine, capable for 200 PS (147 kW; 197 hp), is currently used in the Alfa Romeo 159, Alfa Romeo Brera and Fiat Croma. The latest version of this engine produces 210 PS (154 kW; 207 hp) and 400 N·m (295 lb·ft) at 1500 rpm, and is used in Alfa Romeo vehicles.[6]

Applications:

[edit] 2.8/3.0

The 2.8 JTD (2798 cc) made by Iveco (Sofim) was used in second generation Fiat Ducato, it produces 127 PS (93 kW) or 146 PS (107 kW; 144 hp). The 160 MultiJet Power, introduced in 2007, saw displacement increased to 3.0 L (2998 cc). This engine produces 157 PS (115 kW) in Fiat-badged models. In Iveco Massif this engine is also available as 176 PS (129 kW) version.

Applications:

[edit] Notes

[edit] References

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