Perkins
Perkins 903-27
900 Series
Perkins 903-27 discontinued legacy engine. The 903-27 is a 900 Series ElectropaK successor to the 3.152 lineage, with exact model-code traffic from older compact diesel genset and equipment owners. Model identity and technical fields are taken from Perkins-era specification sheets archived by Diesel Parts Direct; legacy status is cross-checked against Perkins heritage material and parts-support references.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Standby Power · 60 Hz
- 38 kVA
- Electrical Output
- 30 kWe
- Cylinders
- L3
- Displacement
- 2.7 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 31.8 | 27.4 | — |
| Standby Power | 35 | 30.3 | — |
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Perkins 903-27 overhaul & repair parts
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Perkins 903-27 generator set context
The Perkins 903-27 is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 38 kVA / 30 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.
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Technical Specifications
| Brand | Perkins |
| Model | 903-27 |
| Series | 900 Series |
| Configuration | L3, naturally aspirated generator-drive diesel |
| Cylinders | 3 |
| Displacement | 2.7 L |
| Compression Ratio | 17.25:1 |
| Dry Weight | 341 kg |
| Dimensions (L×W×H) | 966 × 616 × 863 mm |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | United Kingdom |
| Year Discontinued | 2005 |
Frequently asked questions
What is the power output of the Perkins 903-27?
The Perkins 903-27 is rated at 38 kVA standby / 34 kVA prime at 60 Hz (1,800 rpm).
Does the 903-27 run at 50 Hz or 60 Hz?
The Perkins 903-27 is rated for 60 Hz (1,800 rpm).
What fuel does the Perkins 903-27 use?
The Perkins 903-27 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 903-27?
The Perkins 903-27 is an inline-3 (3-cylinder) engine with a displacement of 2.7 L.
Is the 903-27 still in production?
No — the Perkins 903-27 is discontinued (production ended around 2005). Its specifications and datasheets remain archived here for reference.
Are reference documents available for the 903-27?
This page links reference documents for the Perkins 903-27. Check each document's title, model coverage, revision and rating conditions before using it for selection.