Who makes Wärtsilä 31?

Wärtsilä 31 is made by Wärtsilä, based in Helsinki, Finland.

Where is Wärtsilä 31 deployed?

3 verified deployments of Wärtsilä 31 are on the DEPLOY registry, including at Singapore, Rotterdam, Helsinki.

Robot model

Name: Wärtsilä 31
Brand: Wärtsilä

Most efficient 4-stroke diesel engine in the world. Marine and energy applications. 610g/kWh SFC.

Wärtsilä 31 is a robot model built by · Documented in 3 deployments across Singapore, Rotterdam, and Helsinki.

Deploy Watch

We notify you when pricing, deployment status, or regulatory state changes against primary-source evidence, not when the maker issues claims.

What is Wärtsilä 31?: Most efficient 4-stroke diesel engine in the world. Marine and energy applications. 610g/kWh SFC.
Who makes Wärtsilä 31?: Wärtsilä 31 is made by Wärtsilä, based in Helsinki, Finland.
Where is Wärtsilä 31 deployed?: 3 verified deployments of Wärtsilä 31 are on the DEPLOY registry, including at Singapore, Rotterdam, Helsinki.

Methodology: Verified · 1 source (no primary) · last reviewed 2026-06-08

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-06-08

Maturity + lifecycle

Lifecycle: active

Architectural position

Cohort: marine_engine

Sources by quality tier

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.