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Detroit Diesel

Detroit Diesel 6-71T

Inline 71 Series

Production Discontinued
This engine is no longer in production (discontinued 1999). Specifications and documentation remain archived for reference.

Detroit Diesel 6-71T discontinued legacy engine. Source-validated Detroit Diesel legacy model with ongoing owner, rebuild, marine, generator, and parts-search demand.

Overhaul & repair parts
Manufacturer files
1 datasheet
Last updated
2026-08-04
Package route
diesel generator sets
Cylinders
L6
Displacement
7 L
Rated Speed
1,500 RPM

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Detroit Diesel 6-71T overhaul & repair parts

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Detroit Diesel 6-71T 7L L6, turbocharged two-cycle diesel diesel generator engine specifications

Detroit Diesel 6-71T generator set context

The Detroit Diesel 6-71T is listed here as a diesel generator-drive engine for 50 Hz generator sets. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.

Also searched as

671t6 71TDetroit Diesel 6-71TInline 71 Series 6-71T

Technical Specifications

BrandDetroit Diesel
Model6-71T
SeriesInline 71 Series
ConfigurationL6, turbocharged two-cycle diesel
Cylinders6
Displacement7 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginUnited States
Year Discontinued1999

Frequently asked questions

What fuel does the Detroit Diesel 6-71T use?

The Detroit Diesel 6-71T is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 6-71T?

The Detroit Diesel 6-71T is an inline-6 (6-cylinder) engine with a displacement of 7 L.

Is the 6-71T still in production?

No — the Detroit Diesel 6-71T is discontinued (production ended around 1999). Its specifications and datasheets remain archived here for reference.

Are reference documents available for the 6-71T?

This page links reference documents for the Detroit Diesel 6-71T. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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