Toyota ZR engine | |
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Overview | |
Manufacturer | Toyota |
Production | 2007–present |
Layout | |
Configuration | Straight-four |
Cylinder block material | Aluminium |
Cylinder head material | Aluminium |
Valvetrain | DOHC 4 valves x cyl. with VVT-i |
Combustion | |
Fuel system | Fuel injection |
Fuel type | Gasoline |
Cooling system | Water-cooled |
Output | |
Power output | 98–217 hp (73–162 kW; 99–220 PS) |
Torque output | 153–207 N⋅m (113–153 lb⋅ft; 16–21 kg⋅m) |
Chronology | |
Predecessor | ZZ engine |
Successor | Toyota M20A engine |
The ZR engine is a family of straight-four 16-valve all-aluminum and water cooled gasoline engines with a die-cast aluminum block and variable valve timing developed by Toyota Motor Corporation, produced from 2007. Engines displace from 1.6 to 2.0 liters. Most engines in this family are equipped with Toyota's dual VVT-i technology that optimizes both intake and exhaust valve timing. This engine family is also the first to use Toyota's Valvematic system, first appearing on the Noah and Voxy in 2007 and then the European Avensis in 2009.
The Toyota 1ZR-FE is a DOHC, 16-valve, 1.6 L (1,598 cc) engine equipped with dual VVT-i. This engine is available with either manual gearbox (5 or 6 Speed), a "multi-mode" manual transmission (MM-T 5 Speed) or an automatic gearbox (4 Speed). This new engine is now replacing the 3ZZ-FE engine in most applications. Output for this engine is rated at 122 hp (91 kW) at 6400 rpm and 113 lb⋅ft (153 N⋅m) of torque at 5200 rpm net.
The Toyota 1ZR-FAE is a DOHC, 16-valve, 1.6 L (1,598 cc) engine also equipped with Dual VVT-i and Valvematic. Output for this engine is rated at 132 hp (98 kW) at 6400 rpm and 118 lb⋅ft (160 N⋅m) of torque at 4400 rpm for most applications. Compression ratio has been increased to 10.7:1, red line is at 6600 rpm. Valvematic varies the intake valve lift between 1 and 11 mm (0.039 and 0.433 in) according to load and RPM. [1] [2]
The Toyota 1ZR-FBE is a flex fuel version of the 1ZR-FE the DOHC, 16-valve, 1.6 L (1,598 cc) engine also equipped with Dual VVT-i and Valvematic. Output for this engine is rated at 125 hp (93 kW) at 6000 rpm and 116 lb⋅ft (157 N⋅m) of torque at 5200 rpm.
The Toyota 2ZR-FE is a DOHC, 16-valve, 1.8 L (1,798 cc) [3] engine also equipped with Dual VVT-i.
This new engine replaced the 1ZZ-FE engine in most applications. [4] Output for this engine is rated at 98–103 kW (132–138 hp) at 6000 rpm and 173 N⋅m (127.5 lb⋅ft) of torque at 4400 rpm for the Corolla, Matrix, and Vibe and 95 kW (128 hp) and 171 N⋅m (126 lb⋅ft) of torque in the Scion xD.
Specifications
The Toyota 2ZR-FAE is a DOHC, 16-valve, 1.8 L (1,798 cc) this engine adopts the Valvematic system. This all-new engine is progressively replacing the 1ZZ-FED and 2ZR-FE engine in most applications. Variants of this engine produce 104–110 kW (139–148 bhp) and 171–175 N⋅m (126–129 lbf⋅ft) of torque. Compression ratio is 10.5:1 and redline is at 6600 rpm. The engine consumes 5–10% less fuel than the 2ZR-FE depending on the application. [5]
A special version of the 2ZR-FAE was introduced by Toyota in 2016 for the Taiwanese version of the Toyota Sienta. Unlike the original 2ZR-FAE, this version was created by simply adding the Valvematic system to the standard 2ZR-FE engine used in the Toyota Corolla Altis sold there, resulting in total power of 140 PS (103 kW; 138 hp) at 6200 rpm and a peak torque of 172 N⋅m; 127 lbf⋅ft (17.5 kg⋅m) at 4000 rpm. [6]
The Toyota 2ZR-FBE is A flex fuel version of the 2ZR-FE the DOHC, 16-valve, 1.8 L (1,798 cc) engine also equipped with Dual VVT-i and Valvematic. Output for this engine is rated at 141 hp (105 kW) at 6000 rpm and 131 lb⋅ft (178 N⋅m) of torque at 4000 rpm.
The Toyota 2ZR-FXE is a 1.8 L (1,797 cc) Atkinson cycle variant of the 2ZR-FE. [9] It has the same bore and stroke, but the compression ratio is increased to 13.0:1, and the inlet valve closing is late-staged. The net result is that the engine has a greater effective expansion than compression. Output is 73 kW (98 hp; 99 PS) at 5200 rpm and 142 N⋅m (105 lb⋅ft) of torque at 4000 rpm, paired with electric motor/generators in the hybrid drive system; together the engine and electric motors produce up to 103 kW (138 hp; 140 PS) and 207 N⋅m (153 lb⋅ft). Maximum thermal efficiency is about 38.5%. [10]
For the 2016 Toyota Prius, output is 95 hp (71 kW) at 5200 rpm and 105 lb⋅ft (142 N⋅m) of torque at 3600 rpm, or when paired with electric motor/generators 71 hp (53 kW) and 120 lb⋅ft (163 N⋅m) of torque in the hybrid drive system; together the engine and electric motors produce up to 121 hp (90 kW). Maximum thermal efficiency is about 40%.
The Toyota 3ZR-FE is a 2.0 L (1,986 cc) DOHC, 16-valve engine with Dual VVT-i.
The 3ZR-FAE is a 2.0 L (1,986 cc) DOHC, 16-valve engine that was first used in 2007. It is Toyota's first engine with the Valvematic variable lift intake system.
A flex fuel version of the 3ZR-FE was released in March 2010 in Brazil with 142 PS (104 kW; 140 bhp) when running on petrol, and 153 PS (113 kW; 151 bhp) on ethanol . [12] [13]
The Toyota 4ZR-FE is a 1.6 L (1,598 cc) DOHC, 16-valve engine with Dual VVT-i. Output for this engine is rated at 117 hp (87 kW; 119 PS) at 6000 rpm and 150 N⋅m (111 lb⋅ft) of torque at 4400 rpm. It is very similar to 1ZR-FE.
Specification is similar to 2ZR-FXE & a region-coded model due to various reasons.[ citation needed ]
The 1.6 L and 1.8 L ZR engines are built in Tianjin FAW Toyota Engine Co., Ltd. (TFTE) Plant No. 2, beginning in April 2007 [14] and in the West Virginia Plant for Corolla's production in the United States and Canada [15] . The 1.8L Hybrid FXE engines are built in Toyota's Deeside engine manufacturing plant in the UK and shipped to their Burnaston, UK plant to be fitted into the Corolla Hatch and Touring Sport versions [16] . The plant also supplies these engine parts to Toyota's assembly lines in France, Turey, South Africa and Japan [17] .
The Toyota A Series engines are a family of inline-four internal combustion engines with displacement from 1.3 L to 1.8 L produced by Toyota Motor Corporation. The series has cast iron engine blocks and aluminum cylinder heads. To make the engine as short as possible, the cylinders are siamesed.
The Toyota JZ engine family is a series of inline-6 automobile engines produced by Toyota. As a replacement for the M-series inline-6 engines, the JZ engines were 24-valve DOHC engines in 2.5- and 3.0-litre versions.
The Toyota NZ engine family is a straight-4 piston engine series. The 1NZ series uses aluminum engine blocks and DOHC cylinder heads. It also uses sequential fuel injection, and has 4 valves per cylinder with VVT-i.
The Toyota ZZ engine family is a straight-4 piston engine series. The ZZ series uses a die-cast aluminium engine block with thin press-fit cast iron cylinder liners, and aluminium DOHC 4-valve cylinder heads. The camshafts are chain-driven. The two 1.8 L members of the family, the 1ZZ and 2ZZ, use different bore and stroke. The former was optimised for economy, with torque emphasised in lower revolutions per minute operating range, while the latter is a "square" design optimised for high-RPM torque, yielding higher peak power. The ZZ family replaced the extremely popular cast-iron block 4A engines.
The Toyota AZ engine family is a straight-4 piston engine series. The AZ series uses an aluminium engine block with cast iron cylinder liners and aluminium DOHC cylinder head. The engine series features many advanced technologies including slant-squish combustion chambers, offset cylinder and crank centers, and the VVT-i continuously variable intake valve timing system. The aluminium engine measures 626 mm (24.6 in) long, 608 mm (23.9 in) wide, and 681 mm (26.8 in) tall.
The Toyota RZ engine family is a straight-four piston engine series built in Japan. The RZ series uses a cast-iron engine block and aluminum SOHC or DOHC cylinder heads. It has electronic fuel injection (EFI), 2 or 4 valves per cylinder and features forged steel connecting rods.
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The Toyota UZ engine family is a gasoline fueled 32-valve quad-camshaft V8 piston engine series used in Toyota's luxury offerings and sport utility vehicles. Three variants have been produced: the 1UZ-FE, 2UZ-FE, and 3UZ-FE. Production spanned 24 years, from 1989 to mid 2013, ending with the final production of the 3UZ-FE-powered Toyota Crown Majesta I-FOUR. Toyota's UZ engine family was replaced by the UR engine family.
The Toyota Motor Corporation G-family engine is a family of straight-6 piston engines produced from 1979 to 2008. It is notable in that only a single displacement, 2.0 L (1,988 cc), was produced in this series. Initially belt-driven OHC non-interference engines, multivalve DOHC and variable valve timing were added later during the production run. The 1G-GEU was Toyota's first mass produced four-valve twincam engine. A prototype version of the 1G-GEU called the LASREα–X, featuring twin-turbos, variable valve timing and intake as well as variable displacement, was fitted to the Toyota FX-1 show car at the 1983 Tokyo Motor Show. It showcased a number of technologies which were later to become commonplace. This engine was designed around the new LASRE technology for lighter weight – such as sintered hollow camshafts. These engines were used as a lower-displacement alternative to the more upmarket M family and JZ family straight-sixes.
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The Toyota AD engine family is a series of 16 valve DOHC inline-4 turbo diesel diesel engines with electronic common rail direct injection using an aluminium cylinder head and an aluminium cylinder block with cast iron liners derived from the petrol Toyota AZ engine. The AD engine is offered in 2.0 and 2.2 liter versions. These engines are produced mainly for Europe, but few are exported to other areas such as India or New Zealand.
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