Always locate the data plate on your machine to note the exact serial number. Manuals can vary slightly based on the year of manufacture and specific engine configurations.
You can often find older Maintenance Manuals through rail equipment specialists like Sterling Rail. To help you with a more specific post, Trackmobile 4000tm Manual
If you are looking for a specific, downloadable PDF for your 4000TM, it is best to contact Trackmobile directly or a local distributor to ensure you receive the correct version for your specific serial number. Always locate the data plate on your machine