Cummins
Cummins B5.9CS4GT1
B Series
Cummins B5.9CS4GT1 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 1 row(s) across 50Hz with 5.9 L displacement, 6L cylinders, liquid-cooled cooling, and China IV emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-05
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 125 kVA
- Electrical Output
- 100 kWe
- Cylinders
- L6
- Displacement
- 5.9 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 117 | 100 | — |
| Standby Power | 129 | 100 | — |
Cummins B5.9CS4GT1 generator set context
The Cummins B5.9CS4GT1 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 125 kVA / 100 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 | Cummins |
| Model | B5.9CS4GT1 |
| Series | B Series |
| Configuration | L6, turbocharged aftercooled |
| Cylinders | 6 |
| Displacement | 5.9 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China IV |
| Certifications | China IV |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Cummins B5.9CS4GT1?
The Cummins B5.9CS4GT1 is rated at 125 kVA standby / 125 kVA prime at 50 Hz (1,500 rpm).
Does the B5.9CS4GT1 run at 50 Hz or 60 Hz?
The Cummins B5.9CS4GT1 is rated for 50 Hz (1,500 rpm).
What fuel does the Cummins B5.9CS4GT1 use?
The Cummins B5.9CS4GT1 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the B5.9CS4GT1?
The Cummins B5.9CS4GT1 is an inline-6 (6-cylinder) engine with a displacement of 5.9 L.
What emissions standard does the B5.9CS4GT1 meet?
The Cummins B5.9CS4GT1 is certified to China IV emissions standards.
Is the Cummins B5.9CS4GT1 still in production?
Yes — the Cummins B5.9CS4GT1 is a current production model.