Sofim 8140 engine

Sofim 8140 engine
Overview
Manufacturer	Sofim
Also called	Renault S-Type engine
Production	–
Combustion chamber
Valvetrain	SOHC 8v

The 8140 was a diesel engine made by Sofim for automobiles. It was mostly used in commercial vehicles worldwide and covered a range of engine displacement from 2.4 to 2.8 litres. Originally introduced as a swirl chamber, naturally aspirated diesel, turbocharged versions only appeared in 1985. Direct injection models also appeared in the mid-eighties. Turbocharging the original engine, the design of which was finished in 1974, was impeded due to the original design. Heat flux issues with the aluminium head and swirl chambers were eventually overcome, but did slow down development.

The S8U displaces 2,445 cc (149.2 cu in). In 1990 it was replaced by the S9U version with a 2 mm longer stroke, for a displacement of 2,499 cc (152.5 cu in).

Applications:

The SxW (Renault nomenclature) displaces 2.8 L (2800 cc).

Applications:

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