The

Toyota is a Japanese Multinational corporation, multinational Automotive industry, automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on August 28, 1937. Toyota is the List of manuf ...

UR engine family is a 32-valve dual overhead camshaft V8

piston engine A reciprocating engine, more often known as a piston engine, is a heat engine that uses one or more Reciprocating motion, reciprocating pistons to convert high temperature and high pressure into a Circular motion, rotating motion. This article ...

series which was first introduced in 2006, as the UZ series it replaced began phasing out. Production started with the 1UR-FSE engine with D-4S direct injection for the 2007

Lexus LS The is a series of full-size luxury sedans that have served as the flagship model of Lexus, the luxury division of Toyota, since 1989. For the first four generations, all LS models featured V8 engines and were predominantly rear-wheel-drive ...

. The series launched with a die-cast aluminum

engine block In an internal combustion engine, the engine block is the structure that contains the cylinders and other components. The engine block in an early automotive engine consisted of just the cylinder block, to which a separate crankcase was attach ...

, aluminum

cylinder head In a piston engine, the cylinder head sits above the cylinders, forming the roof of the combustion chamber. In sidevalve engines the head is a simple plate of metal containing the spark plugs and possibly heat dissipation fins. In more modern ...

s and

magnesium Magnesium is a chemical element; it has Symbol (chemistry), symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 ...

cylinder head covers. All UR engines feature

variable valve timing Variable valve timing (VVT) is the process of altering the timing of a Poppet valve, valve lift event in an internal combustion engine, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combina ...

for both intake and exhaust

cam Cam or CAM may refer to: Science and technology * Cam (mechanism), a mechanical linkage which translates motion * Camshaft, a shaft with a cam * Camera or webcam, a device that records images or video In computing * Computer-aided manufacturin ...

s or Dual VVT-i. Timing chains are used to drive the camshafts. The UR engine has been produced in 4.6, 5.0, and 5.7-liter

displacement Displacement may refer to: Physical sciences Mathematics and physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

versions.

1UR

1UR-FSE

The 1UR-FSE V8 engine, introduced with the Lexus LS 460 & LS 460 L luxury sedans in 2006 has a displacement, which it gets from a bore and

stroke Stroke is a medical condition in which poor cerebral circulation, blood flow to a part of the brain causes cell death. There are two main types of stroke: brain ischemia, ischemic, due to lack of blood flow, and intracranial hemorrhage, hemor ...

of . The engine includes D-4S direct injection and dual

VVT-iE VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing petrol engine technology manufactured by Toyota Group and used by brands Groupe PSA (Peugeot and Citroen), Toyota, Lexus, Scion (automobile), Scion, Daih ...

producing at 6,400 rpm and at 4,100 rpm. The maximum engine speed is 6,800 RPM. 1UR-FSE undergoes

X-ray An X-ray (also known in many languages as Röntgen radiation) is a form of high-energy electromagnetic radiation with a wavelength shorter than those of ultraviolet rays and longer than those of gamma rays. Roughly, X-rays have a wavelength ran ...

inspection and a

CT scan A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed internal images of the body. The personnel that perform CT scans are called radiographers or ...

to ensure minimal deformation after the die-casting process. Camshafts are hollow to minimize weight. Applications: * 2006–2017 Lexus LS 460 & LS 460 L * 2008–2011 Lexus GS 460 * 2009–2013 Toyota Crown Majesta

1UR-FE

The 1UR-FE is based on the 1UR-FSE but lacks the D-4S direct injection technology. Originally used for Lexus vehicles in the Middle East, it was introduced in 2010 in other markets to replace the 2UZ-FE engine in truck and SUV applications. This engine produces at 6,900 rpm and at 4,400 rpm in the Lexus GS and LS. For the Toyota Land Cruiser and Lexus GX the engine produces at 5,900 rpm and at 3,800 rpm. Applications: * 2006–2017 Lexus LS 460 & LS 460 L (Middle East) * 2005–2011 Lexus GS 460 (Middle East) * 2009–2023 Lexus GX 460 * 2012–2021

Toyota Land Cruiser The , also sometimes spelt as LandCruiser, is a series of four-wheel drive vehicles produced by the Japanese automobile manufacturer Toyota. It is Toyota's longest running series of models. , the sales of the Land Cruiser totalled more than 1 ...

(Japan, China, Middle East and Australia) * 2010–2012

Toyota Sequoia The Toyota Sequoia is a full-size SUV manufactured by Toyota mainly for the North American market since 2000 for the 2001 model year, being derived from the Toyota Tundra, Tundra pickup truck. It is the second largest SUV ever produced under th ...

* 2010–2019

Toyota Tundra The Toyota Tundra is a full-size pickup truck manufactured in the United States by the Japanese manufacturer Toyota since May 1999. The Tundra was the second full-size pickup to be built by a Japanese manufacturer (the first was the Toyota T100 ...

2UR

2UR-GSE

The 2UR-GSE is a

naturally aspirated A naturally aspirated engine, also known as a normally aspirated engine, and abbreviated to N/A or NA, is an internal combustion engine in which air intake depends solely on atmospheric pressure and does not have forced induction through a turboc ...

V8 engine A V8 engine is an eight- cylinder piston engine in which two banks of four cylinders share a common crankshaft and are arranged in a V configuration. Origins The first known V8 was the Antoinette, designed by Léon Levavasseur, a ...

fitted to the IS F, RC F, GS F, LC 500, and IS 500. It is an all-alloy

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 ...

, 4 valves per cylinder with Yamaha-designed high-flow cylinder heads, titanium inlet valves, high-lift camshafts and dual-length intake. It has D-4S gasoline port and direct injection, Dual VVT-i with electric VVT-iE inlet camshaft actuation. Bore and stroke is . The engine's redline was increased with each iteration, ranging from 6,800 rpm to 7,300 rpm. The

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...

-based Gazoo Racing SA Toyota Hilux

Dakar Dakar ( ; ; ) is the capital city, capital and List of cities in Senegal, largest city of Senegal. The Departments of Senegal, department of Dakar has a population of 1,278,469, and the population of the Dakar metropolitan area was at 4.0 mill ...

truck also utilizes the engine. The Lexus RCF GT3 utilises a re-stroked version of this engine which displaces 5.4 litres and makes . In the IS F, the engine had an 11.8:1

compression ratio The compression ratio is the ratio between the maximum and minimum volume during the compression stage of the power cycle in a piston or Wankel engine. A fundamental specification for such engines, it can be measured in two different ways. Th ...

and produced @ 6,600 rpm and @ 5,200 rpm of

torque In physics and mechanics, torque is the rotational analogue of linear force. It is also referred to as the moment of force (also abbreviated to moment). The symbol for torque is typically \boldsymbol\tau, the lowercase Greek letter ''tau''. Wh ...

. In the RC F and GS F, the compression ratio was increased to 12.3:1, the rev limit raised to 7,300 rpm and output @ 7,100 rpm and of torque at 4,800-5,600 rpm. The engine received a further increase in power to @ 7,100 rpm and of torque at 4,800 rpm in the LC and @ 7,100 rpm and of torque at 4,800 rpm in the 2019 RC F. Although since 2018, the RC F received a power decrease to in European markets. From its introduction, the 2UR-GSE was exclusively available with an 8-speed automatic transmission, based on the Lexus LS460’s transmission. The Lexus LC500 is an exception, as that vehicle uses a 10-speed automatic. No manual transmission option has been offered from Toyota or Lexus from the factory with this engine. Applications: * 2007–2014 Lexus IS F (USE20) * 2015–2025 Lexus RC F (USC10) * 2015–2020 Lexus GS F (URL10) * 2017–present Lexus LC 500 (URZ100) * 2022–present Lexus IS 500 F-Sport Performance (USE30) * 2016–2021 Toyota GR DKR Hilux

2UR-FSE

The 2UR-FSE is a engine which previously powered the Lexus LS 600h and the third-generation Toyota Century. It has D-4S gasoline direct injection, Dual VVT-i, and VVT-iE on the intake cam. It has the same bore and stroke as the 2UR-GSE, but produces at 6,400 rpm and at 4,000 rpm. The electric motors ( Lexus Hybrid Drive) in the system add extra power into the drivetrain, allowing the combination to deliver in total. The engine's valve covers are made from a

magnesium alloy Magnesium alloys are mixtures of magnesium (the lightest structural metal) with other metals (called an alloy), often aluminium, zinc, manganese, silicon, copper, rare earths and zirconium. Magnesium alloys have a hexagonal lattice structur ...

, the cylinder heads are manufactured from aluminum alloy, while like the 1UR engine block it is die-cast to save weight. Applications: * 2007–2017 Lexus LS 600h & LS 600h L (UVF45/UVF46) * 2018–present

Toyota Century The is a lineup of full-size luxury cars and limousines produced mainly for the Japanese market, serving as Toyota's Flagship#Automotive, flagship car within Japan; globally the unrelated Lexus LS series is Toyota's flagship luxury model. Pro ...

(UWG60)

3UR

3UR-FE

The 3UR-FE is a engine designed for use in the Toyota Tundra, Sequoia, Land Cruiser, and Lexus LX570 vehicles, without the D-4S gasoline direct injection but with Dual VVT-i. Bore and stroke is , it produces @ 5,600 rpm and of torque @ 3,600 rpm, with a compression ratio of 10.2:1. A

stainless steel Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy that contains chromium, making it resistant to rust and corrosion. Stainless steel's resistance to corrosion comes from its chromi ...

exhaust manifold incorporating a 3-way

catalytic converter A catalytic converter part is an vehicle emissions control, exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalysis, catalyzing a redox ...

is used. The maximum engine speed is 6,000 RPM. This engine is cast at Toyota's Bodine Aluminum and currently assembled for Sequoia and Tundra at Toyota Motor Manufacturing Alabama and cast and assembled in Tahara, Japan for the Land Cruiser and Lexus vehicles. Over 1.3 million kilometers of durability testing have gone into the engine. E85 ethanol capability was optional for the 2009 model year.Tundra CrewMax Reveal at 2007 North American International Auto Show
/ref> The engine's service weight is . 2020 Tundra Engine Bay

For a time, Toyota offered an available bolt-on Toyota Racing Development

Eaton Corporation Eaton Corporation plc is an American-Irish-domiciled multinational power management company, with a primary administrative center in Beachwood, Ohio. Eaton has more than 85,000 employees and sells products to customers in more than 175 countr ...

Twin Vortices Series

roots-type supercharger The Roots blower is a Pump#Positive-displacement pumps, positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes resembling a set of stretched gears. Fluid is trapped in pockets surrounding the lobes and ca ...

kit for the Tundra and Sequoia which bumps power up to and of torque. The supercharger kit could be installed by dealers and was covered under warranty. Later on, Magnuson offered an improved version of the supercharger kit which raised the output to 550hp. Applications: * 2007–2021 Toyota Tundra * 2007–2022 Toyota Sequoia * 2007–2021 Toyota Land Cruiser 200 Series – US, Middle East and Left Hand Drive African markets only * 2007–2021 Lexus LX 570

3UR-FBE

An E85 Ethanol version of the 3UR-FE engine. Applications: * 2009 – 2013 Toyota Tundra * 2009 – 2014 Toyota Sequoia References

External links

http://www.toyota.co.jp/en/tech/environment/powertrain/engine/engine2.html

1UR