John Deere
John Deere 4045H
4045 Series
John Deere 4045H is a 4.525 L inline-4 turbocharged and aftercooled diesel engine family. EPA annual certification data lists constant-speed configurations from 65 to 147 kWm at 1800 RPM under Tier 3.
- Electrical Output
- 147 kW
- Cylinders
- L4
- Displacement
- 4.525 L
- Rated Speed
- 1,500 RPM
John Deere 4045H generator set context
The John Deere 4045H is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 147 kW / 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 | John Deere |
| Model | 4045H |
| Series | 4045 Series |
| Configuration | L4 Turbocharged Aftercooled |
| Cylinders | 4 |
| Displacement | 4.525 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Certifications | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What fuel does the John Deere 4045H use?
The John Deere 4045H is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4045H?
The John Deere 4045H is an inline-4 (4-cylinder) engine with a displacement of 4.525 L.
What emissions standard does the 4045H meet?
The John Deere 4045H is certified to U.S. EPA Tier 3 emissions standards.
Is the John Deere 4045H still in production?
Yes — the John Deere 4045H is a current production model.
Reference
- Canonical page
- /engines/john-deere-4045h
- Last database update
- 2026-07-25
- Manufacturer files
- No datasheet linked yet
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