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.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 147 kW
- Cylinders
- L4
- Displacement
- 4.525 L
- Rated Speed
- 1,500 RPM
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John Deere 4045H overhaul & repair parts
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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 information is listed for the 4045H?
This record lists U.S. EPA Tier 3 for the John Deere 4045H. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the John Deere 4045H?
The John Deere 4045H is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.