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Rehlko KDI-TCN 3404E5/22 Industrial Diesel Engine

KDI‑TCN-3404E5-22-diesel-engine
KDI‑TCN-3404E5-22-diesel-engine
The Rehlko KDI‑TCN 3404E5/22 is a compact 4‑cylinder turbo common‑rail diesel engine rated at 55.4 kW (74 hp) at 2600 rpm, configured for EU Stage V applications. It’s ideal for OEM machinery and industrial equipment that need modern emissions compliance, strong working power, and a packaging-friendly engine platform with long-term service support.
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Quick Spec Check

Engine Series:
Industry Type:
Engine Speed:
Power kW:
Max Torque:
Emissions:
KDI Series
Industrial
2200 rpm
55.4
465 @ 1100rpm
EU STAGE V, US TIER4 FINAL
The Rehlko KDI‑TCN 3404E5/22 is part of Rehlko’s KDI 3404 engine family and delivers 55.4 kW (74 hp) @ 2600 rpm from a compact 4‑cylinder turbo common‑rail platform. This variant is specified for EU Stage V, making it a practical choice for equipment builders and operators who need a modern diesel engine that aligns with current emissions requirements without stepping up to a larger, heavier engine class.
For OEMs, the KDI 3404 platform balances output with integration practicality — a compact footprint, clear variant identification, and a well-supported engine family that helps keep engineering, procurement, and service aligned. The 4‑cylinder layout supports smooth operation for steady-duty applications, while turbocharging and common‑rail injection help maintain responsive performance under load.
If you’re replacing an older engine or specifying for a new build, match the exact 3404E5/22 variant and confirm the installation package (cooling capacity, intake/exhaust routing, mounting points, and electrical interfaces). Share your engine plate details and application, and we’ll help confirm the correct match before ordering.
Engine Details
Information on the main core details of the engine
Engine Series

KDI Series
Industry Type

Industrial
Engine Perfomance
Engine Speed

2200 rpm
Power kW

55.4
Max Torque Nm

465 @ 1100rpm
Emissions Compliant
Emissions

EU STAGE V, US TIER4 FINAL
Design Features
SAE Connection

SAE3/11.5
Radiator

Yes
Fan

Yes
Technical Features
Aspiration

Turbo Aftercooled
Cylinders

4
Injection System

DI
Injection Equipment

HPCR
EGR

Yes
DOC

Yes
DPF

Yes
CAC

Yes
Physical Characteristics
Engine Length

726mm
Engine Width

576mm
Engine Height

816mm
Engine Weight

394kg (Dry)

Technical Documents

Technical Datasheet

Parts & Warranty

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Parts List

Applications

The Rehlko KDI‑TCN 3404E5/22 is well suited to compact industrial and mobile machinery that needs EU Stage V compliance with 55.4 kW at 2600 rpm. Typical applications include construction and utility equipment, industrial power units, pumps, compressors, and specialist OEM machinery where emissions compliance and dependable working power are both critical.
It’s particularly relevant for OEM builds that must meet current regulatory requirements while keeping the engine package compact and serviceable. Correct selection comes down to duty cycle, cooling pack sizing, and ensuring the installation interfaces match the machine. Because KDI 3404 variants can share similar headline power, matching the exact variant code (E5/22) helps avoid configuration mismatches during replacement or procurement.