MTU 12V4000G34F Operating Instructions Manual page 239

Thread
M30
*Protect screw shaft from torsion when tightening.
M = tightening torques.
A
Tightening torques for plug screws as per MTN 5183-1 standard
This standard applies to plug screws to DIN 908, DIN 910 and DIN 7604 with threaded end to DIN 3852
Form A (sealed with sealing ring to DIN 7603-Cu).
Not torsion-protected M
A
1250
(Nm) Torsion-protected M
MS15060/01E 2018-12 | Appendix A | 239
(Nm)
A
1575