John Deere
John Deere 4045CG440
4045 Series
The John Deere 4045CG440 is a 4.5-litre inline-4 diesel engine for generator sets, rated at 121 kVA / 97 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in United States. It meets U.S. EPA Final Tier 4 emissions standards.
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- Manufacturer files
- 1 datasheet
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 121 kVA
- Electrical Output
- 97 kWe
- Cylinders
- L4
- Displacement
- 4.5 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 96.7 | 87 | 108.8 |
| Standby Power | 107.8 | 97 | 121.3 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 112.2 | 101 | 126.3 |
| Standby Power | 123.3 | 111 | 138.8 |
John Deere 4045CG440 generator set context
The John Deere 4045CG440 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 121 kVA / 97 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 | John Deere |
| Model | 4045CG440 |
| Series | 4045 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.5 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Final Tier 4 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the John Deere 4045CG440?
The John Deere 4045CG440 is rated at 121 kVA standby / 109 kVA prime at 50 Hz (1,500 rpm); and 139 kVA standby / 126 kVA prime at 60 Hz (1,800 rpm).
Does the 4045CG440 run at 50 Hz or 60 Hz?
The John Deere 4045CG440 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the John Deere 4045CG440 use?
The John Deere 4045CG440 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4045CG440?
The John Deere 4045CG440 is an inline-4 (4-cylinder) engine with a displacement of 4.5 L.
What emissions standard does the 4045CG440 meet?
The John Deere 4045CG440 is certified to U.S. EPA Final Tier 4 emissions standards.
Is the John Deere 4045CG440 still in production?
Yes — the John Deere 4045CG440 is a current production model.
Is a datasheet available for the 4045CG440?
Yes — an official John Deere datasheet for the John Deere 4045CG440 can be downloaded from this page.