Editing Toyota R engine (section)

{{Use dmy dates|date=April 2020}}
{{Infobox automobile engine
| name = Toyota R engine
| image = 18R-G engine in 1974 Toyota Corona, TORC 2014.jpg
| production = 1953–1997
| manufacturer = [[Toyota]]
| configuration = [[Inline-four engine|Inline-four]]
| block = [[Cast Iron]]
| head = [[Cast Iron]]<br>[[Aluminium]]
| valvetrain = [[Overhead valve engine|OHV]] 2 valves per cyl<br>[[SOHC]] 2 valves per cyl<br>[[DOHC]] 2 valves per cyl
| timing = [[Timing Chain]]
| compression = 7.5:1-10.0:1
| turbocharger = Hitachi CT20 on 22R-TE only
| fuelsystem = [[Carburetor]]<br>[[Multi-port fuel injection]]
| fueltype = [[Petrol engine|Gasoline]]
| oilsystem = [[Wet sump]]
| coolingsystem = [[Radiator (engine cooling)|Water-cooled]]
| power = {{convert|45|-|101|kW|PS hp|0|abbr=on}}
| torque = {{convert|108|-|234|Nm|lbft|0|abbr=on}}
| caption = Modified 18R-G engine in a 1974 [[Toyota Corona (T100)|Toyota Corona]] Hardtop
}}

The '''[[Toyota]] R family''' was a series of [[Inline-four engine|inline-four]] [[gasoline]] automobile engines. Designed for [[Longitudinal engine|longitudinal]] placement in such vehicles as the [[Toyota Celica|Celica]] and [[Toyota Hilux|Hilux]] and in production from 1953 through 1997, usage faded out as many of Toyota's mainstream models moved to front-wheel drive. [[Overhead camshaft engine|Overhead cam (OHC)]] versions featured a chain-driven [[camshaft]].