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Ford LSG635

LSG

In Production

Ford Power Products LSG635 — 3.5 L V6 spark-ignition genset engine, naturally aspirated, bi-fuel natural gas / LPG. 45.6 kWm (61.1 hp) on natural gas, 49.7 kWm (66.6 hp) on LPG at 1800 rpm (SAE J1349 intermittent); 11.8:1 compression, EPA/CARB certified with 3-way catalyst.

Ford LSG635 3.5L V6 natural gas generator engine — 51 kVA prime specifications
Ford LSG635 3.5L V6 natural gas generator engine — 51 kVA prime specifications
Prime Power · 60 Hz
51 kVA
Electrical Output
41 kWe
Cylinders
V6
Displacement
3.5 L
Rated Speed
1,800 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

60 Hz1800 RPM

kWmkWekVA
Prime Power45.64151.3

Ford LSG635 generator set context

The Ford LSG635 is listed here as a natural gas generator-drive engine for 60 Hz generator sets, with a headline 51 kVA / 41 kWe / prime rating. 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

lsg635Ford LSG635

Technical Specifications

BrandFord
ModelLSG635
SeriesLSG
ConfigurationV6
Cylinders6
Displacement3.5 L
Compression Ratio11.8:1
Dry Weight177 kg
Fuel TypeNatural Gas
Ignition TypeSpark Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Stationary
CertificationsEPA, CARB, 3-way catalyst
Country of OriginUnited States

Frequently asked questions

What is the power output of the Ford LSG635?

The Ford LSG635 is rated at 51 kVA prime at 60 Hz (1,800 rpm).

Does the LSG635 run at 50 Hz or 60 Hz?

The Ford LSG635 is rated for 60 Hz (1,800 rpm).

What fuel does the Ford LSG635 use?

The Ford LSG635 is a Natural Gas generator-set engine.

What is the displacement and cylinder configuration of the LSG635?

The Ford LSG635 is a V6 (6-cylinder) engine with a displacement of 3.5 L.

What emissions standard does the LSG635 meet?

The Ford LSG635 is certified to U.S. EPA Stationary emissions standards.

Is the Ford LSG635 still in production?

Yes — the Ford LSG635 is a current production model.

Is a datasheet available for the LSG635?

Yes — an official Ford datasheet for the Ford LSG635 can be downloaded from this page.

Reference

Canonical page
/engines/ford-lsg635
Last database update
2026-06-29
Manufacturer files
1 datasheet linked

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