John Deere — Understand service procedure before doing work. Keep

A John Deere service procedure — check it applies to your exact model before use.

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Procedure

1. 1. Each engine has a 13-digit John Deere engine serial
2. 2. The second line of information (C) identifies the
3. 3. The second line of information on Saran serial number mm mm L
4. 2.9
5. 2.9
6. 17.8:1
7. 17.8:1 kW kW kW kg
8. 0.10% (1000 ppm) is STRONGLY recommended.

Source: manual:CTM125.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.