| RC4 | |
| Electricsystem: | 25 kV AC catenary |
| Collectionmethod: | Pantograph |
| Tractionmotors: | DC |
| Powertype: | Electric |
| Builddate: | 1979-1980 |
| Builder: | ASEA, |
| Locoweight: | 80t |
| Aarwheels: | B-B |
| Uicclass: | Bo-Bo |
| Buildmodel: | SJ Rc |
| Disposition: | in service |
| Numinclass: | 8 |
| Wheeldiameter: | 1200mm |
| Poweroutput: | 3600kW |
| Wheelbase: | 2500mm |
| Tractiveeffort: | 240kN |
| Maxspeed: | 100km/h |
| Length: | 16000mm |
| Width: | 2800mm |
| Height: | 3960mm |
| Operator: | RAI |
The RAI R-C-4 is a class of 4 axle Bo'Bo' electric locomotives used by the Islamic Republic of Iran Railways; the units have a similar design to the Swedish SJ Rc4.