| PRR G3/G3a PRR Class X | |
| Powertype: | Steam |
| Builder: | Fort Wayne shop |
| Builddate: | 1892-1893 |
| Totalproduction: | 23 |
| Numberrebuilt: | 2 (G3a converted to G3) |
| Whytetype: | 4-6-0 |
| Uicclass: | 2'C' |
| Driverdiameter: | 680NaN0 (G3) 620NaN0 |
| Fueltype: | Coal |
| Operator: | Pennsylvania Railroad |
| Operatorclass: | Class X G3/G3a |
| Numinclass: | 23 (Class X) 21 (G3) 2 (G3a) |
PRR G3 was an American Pennsylvania Railroad (PRR) 4-6-0 locomotive class.[1]