Rehlko KDI Series · water-cooled diesel

Rehlko KDI‑TCQ 1903U3/26

The Rehlko KDI‑TCQ 1903U3/26 is a compact, high-output diesel engine rated at 42 kW (56 hp) at 2600 rpm. It’s a strong choice for OEM machinery and industrial equipment that needs modern diesel performance in a packaging-friendly format, with a clearly defined variant code for…

Power: 42 kW
Speed: 2600 rpm
Max torque: 225 Nm
Dry weight: 233 kg

Non-EU marketsIndustrial

Configured to your speed, start and shaft
Genuine parts and servicing support
Talk it through: +44 (0) 1626 778 266

About the Rehlko KDI‑TCQ 1903U3/26

The Rehlko KDI‑TCQ 1903U3/26 is part of Rehlko’s KDI 1903 engine family and is rated at 42 kW (56 hp) @ 2600 rpm, making it well suited to compact equipment that needs confident working power without stepping up to a larger engine class. The KDI platform is widely specified across industrial and mobile applications, valued for its balance of performance, packaging efficiency, and long-term supportability.

For OEMs, the benefit is a modern diesel engine family with clear variant identification and well-established application coverage. For operators and service teams, it’s about predictable operation and a supportable lifecycle — with documentation, parts availability, and a variant code that helps keep procurement and maintenance aligned.

If you’re selecting this engine for a build, the most important step is confirming the integration package: cooling arrangement, intake/exhaust routing, mounting points, and electrical interfaces. Share your application and installation constraints and we’ll help confirm that 1903U3/26 is the correct match before you commit.

Every engine we supply is set up for its job before it leaves Teignmouth, and backed by the parts and people to keep it running.