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MTU 12V 4000 G21R (FO) Engine Engine

The MTU 12V 4000 G21R (FO) is a 57.2 L engine. It powers generator sets from MTU, including the BCMU 1250P-50 and BCMU 1375S-50.

Part of the MTU 12V4000 engine family — 57 variants share parts & fitment.

57.2 L
Displacement

Engine specifications

Displacement57.2 L

Generator sets powered by this engine

2
MTU BCMU 1250P-50MTU BCMU 1375S-50

Parts cataloged across the MTU 12V4000 family

4
Part #DescriptionCategory
WM00076Air filter elementair_filter
WM00086Easy-change fuel filterfuel_filter
WM00067Oil filter elementoil_filter
3082751Reman engineother_service

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the displacement of the MTU 12V 4000 G21R (FO)?

The MTU 12V 4000 G21R (FO) has a displacement of 57.2 liters.

Which generators use the MTU 12V 4000 G21R (FO) engine?

The MTU 12V 4000 G21R (FO) powers 2 generator set(s), including MTU BCMU 1250P-50, MTU BCMU 1375S-50.