MTU 12V4000M73 series Operating Instructions Manual page 48

12V4000M free end
1 F46 (H-Fuel leakage)
2 B33 (T-Fuel, rail)
3 B1 (N-Camshaft)
46 | General Information | MS150045/03E 2018-08
4 B54 (P-Oil refill pump)
5 B6.2 (T-Coolant)
6 B6 (T-Coolant)
7 Connector XD1 – Dialog
unit