The Generator EngineEncyclopedia
PSI logo

PSI

PSI 20L-D

In Production

PSI 20L-D — 19.62 L L6 (150 × 185 mm bore × stroke) turbocharged & intercooled diesel generator engine, 15:1 compression, 2110 kg dry. From the official PSI 20L-D spec sheet.

PSI 20L-D 19.62L L6 diesel generator engine — 813 kVA standby specifications
PSI 20L-D 19.62L L6 diesel generator engine — 813 kVA standby specifications
Standby Power · 60 Hz
813 kVA
Electrical Output
650 kWe
Cylinders
L6
Displacement
19.62 L
Rated Speed
1,800 RPM

Power Ratings

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

60 Hz1800 RPM

kWmkWekVA
Standby Power722.2650812.5

PSI 20L-D generator set context

The PSI 20L-D is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 813 kVA / 650 kWe / standby 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

20ld20L DPSI 20L-D

Technical Specifications

BrandPSI
Model20L-D
ConfigurationL6
Cylinders6
Displacement19.62 L
Compression Ratio15:1
Dry Weight2110 kg
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 3
Country of OriginUnited States

Frequently asked questions

What is the power output of the PSI 20L-D?

The PSI 20L-D is rated at 813 kVA standby at 60 Hz (1,800 rpm).

Does the 20L-D run at 50 Hz or 60 Hz?

The PSI 20L-D is rated for 60 Hz (1,800 rpm).

What fuel does the PSI 20L-D use?

The PSI 20L-D is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 20L-D?

The PSI 20L-D is an inline-6 (6-cylinder) engine with a displacement of 19.62 L.

What emissions standard does the 20L-D meet?

The PSI 20L-D is certified to U.S. EPA Tier 3 emissions standards.

Is the PSI 20L-D still in production?

Yes — the PSI 20L-D is a current production model.

Is a datasheet available for the 20L-D?

Yes — an official PSI datasheet for the PSI 20L-D can be downloaded from this page.

Reference

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 diesel generator sets