| recordings |
|---|
| 1969-05-12 – 1969-11-21 | Steam Engine (1969 stereo mix) | | The Monkees | 2:24 |
| Steam Engine | | The Monkees | 2:24 |
| Steam Engine | | The Monkees | 2:39 |
| Steam Engine (1969 rough stereo mix) | | The Monkees | 2:39 |
| Steam Engine (alternate mix) | | The Monkees | 2:25 |
| Steam Engine (alternate mix) | | The Monkees | 2:25 |
| Steam Engine (alternate Mono mix, Mono remix) | | The Monkees | 2:19 |
| Steam Engine (mix #1) | | The Monkees | 2:20 |
| Steam Engine (mix #2) | | The Monkees | 2:23 |
| Steam Engine (mix #3) | | The Monkees | 2:38 |
| Steam Engine (mono mix) | | The Monkees | 2:21 |
| Steam Engine (Stereo remix) | | The Monkees | 2:36 |
