The Generator EngineEncyclopedia
Ford logo

Ford

Ford WSG873

WSG

In Production

Ford Power Products WSG873 — 7.3 L V8 spark-ignition genset engine, naturally aspirated, bi-fuel natural gas / LPG. 90.2 kWm (120.9 hp) on natural gas, 98.8 kWm (132.4 hp) on LPG at 1800 rpm (SAE J1349 intermittent); 10.5:1 compression, EPA/CARB certified with 3-way catalyst.

Ford WSG873 7.3L V8 natural gas generator engine — 101 kVA prime specifications
Ford WSG873 7.3L V8 natural gas generator engine — 101 kVA prime specifications
Prime Power · 60 Hz
101 kVA
Electrical Output
81 kWe
Cylinders
V8
Displacement
7.3 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 Power90.281101.3

Ford WSG873 generator set context

The Ford WSG873 is listed here as a natural gas generator-drive engine for 60 Hz generator sets, with a headline 101 kVA / 81 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

wsg873Ford WSG873

Technical Specifications

BrandFord
ModelWSG873
SeriesWSG
ConfigurationV8
Cylinders8
Displacement7.3 L
Compression Ratio10.5:1
Dry Weight263.1 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 WSG873?

The Ford WSG873 is rated at 101 kVA prime at 60 Hz (1,800 rpm).

Does the WSG873 run at 50 Hz or 60 Hz?

The Ford WSG873 is rated for 60 Hz (1,800 rpm).

What fuel does the Ford WSG873 use?

The Ford WSG873 is a Natural Gas generator-set engine.

What is the displacement and cylinder configuration of the WSG873?

The Ford WSG873 is a V8 (8-cylinder) engine with a displacement of 7.3 L.

What emissions standard does the WSG873 meet?

The Ford WSG873 is certified to U.S. EPA Stationary emissions standards.

Is the Ford WSG873 still in production?

Yes — the Ford WSG873 is a current production model.

Is a datasheet available for the WSG873?

Yes — an official Ford datasheet for the Ford WSG873 can be downloaded from this page.

Reference

Canonical page
/engines/ford-wsg873
Last database update
2026-06-29
Manufacturer files
1 datasheet linked

Need this engine?

Need a generator package using this engine? Haifeng Machinery can help with sizing, alternator selection, controller, enclosure, voltage, and compliance support.

Get a Quote ↗

Or browse Haifeng's gas generator sets