Toyota NR engine
Encyclopedia
The Toyota NR engine family is a straight-4
piston engine series. The NR series uses aluminum engine blocks and DOHC cylinder heads. It also uses SFI fuel injection
, and has 4 valves per cylinder with VVT-i
or Dual VVT-i.
piston engine featuring "Stop & Start
" technology and Dual VVT-i. It was introduced into European market in late 2008 with the Yaris XP9F. Improved engine performance combined with low emissions and fuel consumption was the principal aim during its development.
Advanced engineering has been applied throughout the 1NR-FE engine. Toyota engineers streamlined the engine's intake channel, used computer simulation to optimise airflow, smoothened all surfaces for less turbulence and rounded off all angles and sharp edges inside the engine. One of the key elements of the 1NR-FE engine is its piston design. Smaller and lighter than on the previous 1.3 unit, they are designed with a smaller contact area and use carbon ceramide, an advanced material commonly used in Formula One engineering, to reduce friction. The engine also features cooled exhaust gas recirculation (cold area specification models only) to reduce pumping losses and reduce NOx emissions.
Technical specifications of the engine:
Applications:
. It is the first new engine Toyota developed for over 8 years without VVT-i. Done to reduce cost for the low-cost Toyota Etios. A new innovation that made its introduction on this engine is the integration of the exhaust manifold into the cylinder head to reduce emissions.
Technical specifications of the engine:
Applications:
.
Technical specifications of the engine:
Applications:
Straight-4
The inline-four engine or straight-four engine is an internal combustion engine with all four cylinders mounted in a straight line, or plane along the crankcase. The single bank of cylinders may be oriented in either a vertical or an inclined plane with all the pistons driving a common crankshaft....
piston engine series. The NR series uses aluminum engine blocks and DOHC cylinder heads. It also uses SFI fuel injection
Fuel injection
Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....
, and has 4 valves per cylinder with VVT-i
VVT-i
VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing technology developed by Toyota, similar in performance to the BMW's VANOS. The Toyota VVT-i system replaces the Toyota VVT offered starting in 24 December 1991 on the 5-valve per cylinder 4A-GE engine. The...
or Dual VVT-i.
1NR-FE
The 1NR-FE is a compact straight-4Straight-4
The inline-four engine or straight-four engine is an internal combustion engine with all four cylinders mounted in a straight line, or plane along the crankcase. The single bank of cylinders may be oriented in either a vertical or an inclined plane with all the pistons driving a common crankshaft....
piston engine featuring "Stop & Start
Start-stop system
In automobiles, a start-stop system or stop-start system automatically shuts down and restarts the internal combustion engine to reduce the amount of time the engine spends idling, thereby improving fuel economy and reducing emissions...
" technology and Dual VVT-i. It was introduced into European market in late 2008 with the Yaris XP9F. Improved engine performance combined with low emissions and fuel consumption was the principal aim during its development.
Advanced engineering has been applied throughout the 1NR-FE engine. Toyota engineers streamlined the engine's intake channel, used computer simulation to optimise airflow, smoothened all surfaces for less turbulence and rounded off all angles and sharp edges inside the engine. One of the key elements of the 1NR-FE engine is its piston design. Smaller and lighter than on the previous 1.3 unit, they are designed with a smaller contact area and use carbon ceramide, an advanced material commonly used in Formula One engineering, to reduce friction. The engine also features cooled exhaust gas recirculation (cold area specification models only) to reduce pumping losses and reduce NOx emissions.
Technical specifications of the engine:
- Displacement: 1329 cc
- Bore x Stroke: 72.5 by 80.5 mm (2.9 by 3.2 in)
- Max. Output: 74 kW at 6000 rpm
- Max. Torque: 132 newton metre at 3800 rpm
- Compression Ratio: 11.5:1
- Valve Mechanism: 16-valve DOHC, Chain Drive (with Dual VVT-i)
- Fuel Injection System: EFIFuel injectionFuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....
- Ignition System: Direct Ignition System
- Emission Regulation: Euro 4European emission standardsEuropean emission standards define the acceptable limits for exhaust emissions of new vehicles sold in EU member states. The emission standards are defined in a series of European Union directives staging the progressive introduction of increasingly stringent standards.Currently, emissions of...
(Complies with Euro 5European emission standardsEuropean emission standards define the acceptable limits for exhaust emissions of new vehicles sold in EU member states. The emission standards are defined in a series of European Union directives staging the progressive introduction of increasingly stringent standards.Currently, emissions of...
after optimizations introduced in July 2010) - Engine Service Mass (incl. coolant & oil): 89.5 kg (197 lb)
Applications:
- Toyota AurisToyota AurisThe Toyota Auris is a compact 3 door and 5 door hatchback which shares the same E150 platform with the Toyota Corolla.In Europe, Toyota positioned the Auris as the replacement of Corolla hatchback, while the notchback Sedan continued with the Corolla nameplate...
- Toyota CorollaToyota CorollaThe Toyota Corolla is a line of subcompact and compact cars manufactured by the Japanese automaker Toyota, which has become very popular throughout the world since the nameplate was first introduced in 1966. In 1997, the Corolla became the best selling nameplate in the world, with over 35 million...
- Toyota iQToyota iQThe Toyota iQ is a city car introduced at the 2008 Geneva Auto Show, with Japanese sales having begun in October 2008 and European sales in January 2009. The production iQ followed a concept vehicle presented at the 2007 Frankfurt Auto Show. A North American version of the iQ, branded as the Scion...
- Toyota RactisToyota RactisThe Toyota Ractis is a subcompact car produced by the Japanese automakers Toyota and Kanto Auto Works. It is a five-seated vehicle based on the Vitz, and was introduced in October 2005 as the successor of the Yaris Verso. The name "Ractis" derives from "Run", "Activity" and "Space"...
- Toyota Urban CruiserToyota Urban CruiserThe Toyota Urban Cruiser is a mini MPV that is currently produced by Japanese automaker Toyota. It was first introduced in 2008 and is still in production. It slots below the Toyota RAV4 to compete against small crossover SUVs like the Nissan Qashqai and Kia Soul, while also attracting buyers of...
- Toyota Verso-S
- Toyota YarisToyota YarisThe Toyota Yaris is a subcompact car produced by Toyota since 1999. Between 1999 and 2005, some markets received the same vehicles under the Toyota Echo name...
2NR-FE
A 1.5 (1495 cc) variant of the NR series engine. First introduced in Q4 of 2010 for the Toyota EtiosToyota Etios
The Toyota Etios is a line of four-door sedan and hatchback cars produced by Japanese automobile manufacturer Toyota exclusively for the Indian Automotive market since 2010. The Etios nameplate comes from the Greek "Ethos", meaning spirit, character, and ideas...
. It is the first new engine Toyota developed for over 8 years without VVT-i. Done to reduce cost for the low-cost Toyota Etios. A new innovation that made its introduction on this engine is the integration of the exhaust manifold into the cylinder head to reduce emissions.
Technical specifications of the engine:
- Displacement: 1495 cc
- Max. Output: 90 PS at 6000 rpm
- Max. Torque: 132 N·m (97 ft·lbf) at 4400 rpm
Applications:
- Toyota EtiosToyota EtiosThe Toyota Etios is a line of four-door sedan and hatchback cars produced by Japanese automobile manufacturer Toyota exclusively for the Indian Automotive market since 2010. The Etios nameplate comes from the Greek "Ethos", meaning spirit, character, and ideas...
(sedan)
3NR-FE
A 1.2 (1197 cc) variant of the NR series engine. First introduced in Q2 of 2011 for the Etios LivaToyota Etios
The Toyota Etios is a line of four-door sedan and hatchback cars produced by Japanese automobile manufacturer Toyota exclusively for the Indian Automotive market since 2010. The Etios nameplate comes from the Greek "Ethos", meaning spirit, character, and ideas...
.
Technical specifications of the engine:
- Displacement: 1197 cc
- Max. Output: 80 PS at 6000 rpm
- Max. Torque: 104 N·m (77 ft·lbf) at 4400 rpm
Applications:
- Toyota Etios LivaToyota EtiosThe Toyota Etios is a line of four-door sedan and hatchback cars produced by Japanese automobile manufacturer Toyota exclusively for the Indian Automotive market since 2010. The Etios nameplate comes from the Greek "Ethos", meaning spirit, character, and ideas...
(hatchback)