John Deere INDUSTRIAL ENGINES
In ProductionJohn Deere 4045HFG81
4045 Series
The John Deere 4045HFG81 is a 4.5-litre inline-4 diesel engine for generator sets, rated at 65 kVA / 52 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in United States. It meets Euro Stage IIIA / U.S. EPA Tier 3 emissions standards.
Standby Power
70 kVA
Electrical Output
56 kWe
Cylinders / Config
L4
Displacement
4.5 L
Rated Speed
1,500 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 52.2 | 47 | 58.8 |
| Standby | 57.8 | 52 | 65 |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 55.6 | 50 | 62.5 |
| Standby | 62.2 | 56 | 70 |
Mechanical & Electrical Specifications
| Brand | John Deere |
| Model | 4045HFG81 |
| Series | 4045 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.5 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage IIIA / U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently Asked Questions
What is the power output of the John Deere 4045HFG81?
The John Deere 4045HFG81 is rated at 65 kVA standby / 59 kVA prime at 50 Hz (1,500 rpm); and 70 kVA standby / 63 kVA prime at 60 Hz (1,800 rpm).
Does the 4045HFG81 run at 50 Hz or 60 Hz?
The John Deere 4045HFG81 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the John Deere 4045HFG81 use?
The John Deere 4045HFG81 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4045HFG81?
The John Deere 4045HFG81 is an inline-4 (4-cylinder) engine with a displacement of 4.5 L.
What emissions standard does the 4045HFG81 meet?
The John Deere 4045HFG81 is certified to Euro Stage IIIA / U.S. EPA Tier 3 emissions standards.
Is the John Deere 4045HFG81 still in production?
Yes — the John Deere 4045HFG81 is a current production model.
Is a datasheet available for the 4045HFG81?
Yes — an official John Deere datasheet for the John Deere 4045HFG81 can be downloaded from this page.