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Rehlko KDI-TCR HP 1903E5/26 Industrial Diesel Engine

KDI‑TCQ1903U3-26-diesel-engine
KDI‑TCQ1903U3-26-diesel-engine
The Rehlko KDI‑TCR HP 1903E5/26 is a compact, high-output common‑rail turbo diesel rated at 50 kW (67 hp) at 2600 rpm. It’s designed for OEM machinery that needs strong power density, responsive performance, and a modern diesel platform with clear variant identification for accurate specification and replacement.
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Quick Spec Check

Engine Series:
Industry Type:
Engine Speed:
Power kW:
Max Torque:
Emissions:
KDI Series
Industrial
2600 rpm
50
250 @ 1500rpm
US TIER4 FINAL
The Rehlko KDI‑TCR HP 1903E5/26 sits within Rehlko’s KDI 1903 family and delivers 50 kW (67 hp) @ 2600 rpm in a packaging-friendly footprint. The TCR designation signals a modern turbocharged, electronically controlled common‑rail diesel configuration — a strong fit for equipment that needs confident working power, good control characteristics, and consistent performance across real operating conditions.
For OEMs, the KDI platform is widely specified across industrial and mobile equipment because it balances performance with integration practicality. For service and fleet teams, the benefit is a well-documented engine family with clear variant codes that help keep procurement, maintenance, and lifecycle support aligned.
If you’re selecting between multiple KDI 1903 variants that share similar headline power, the “right” choice usually comes down to the machine’s duty profile and integration package (cooling layout, air handling, exhaust routing, and electrical interfaces). Share your application and we’ll help confirm that the TCR HP 1903E5/26 is the best-fit configuration before you commit.
Engine Details
Information on the main core details of the engine
Engine Series

KDI Series
Industry Type

Industrial
Engine Perfomance
Engine Speed

2600 rpm
Power kW

50
Max Torque Nm

250 @ 1500rpm
Emissions Compliant
Emissions

US TIER4 FINAL
Design Features
SAE Connection

SAE4/7.5
Radiator

Yes
Fan

Yes
Technical Features
Aspiration

Turbo Aftercooled
Cylinders

3
Injection System

DI
Injection Equipment

HPCR
EGR

Yes
DOC

Yes
DPF

Yes
CAC

Yes
Physical Characteristics
Engine Length

598mm
Engine Width

530mm
Engine Height

726mm
Engine Weight

233kg (Dry)

Technical Documents

Technical Datasheet

Parts & Warranty

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Parts List

Applications

The Rehlko KDI‑TCR HP 1903E5/26 is a strong fit for compact industrial and mobile machinery that needs 42 kW at 2600 rpm from a modern diesel engine. Typical applications include construction and utility equipment, industrial power units, pumps, compressors, and specialist OEM machinery where dependable output and serviceability are priorities.
In many builds, the KDI 1903 platform is chosen because it delivers high working performance while keeping the overall engine package compact and supportable. Because several KDI 1903 variants sit close together on headline ratings, correct selection comes down to matching the exact engine code and ensuring the integration package suits the duty cycle and installation constraints.
If you’re replacing an existing engine, send the engine plate details (or your current variant code) and we’ll help confirm the correct match before you order.