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John Deere 4045HFG04

4045 Series

In Production

The John Deere 4045HFG04 is a 4.5-litre inline-4 diesel engine for generator sets, rated at 85 kVA / 68 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.

Manufacturer files
2 datasheets
Last updated
2026-05-29
Package route
diesel generator sets
Standby Power · 50 Hz
85 kVA
Electrical Output
68 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

kWmkWekVA
Prime Power67.86176.3
Standby Power75.66885

60 Hz1800 RPM

kWmkWekVA
Prime Power84.47695
Standby Power94.485106.3
Shareable spec cardJohn Deere 4045HFG04 summary imageOpen image
John Deere 4045HFG04 4.5L L4 diesel generator engine — 85 kVA standby specifications

John Deere 4045HFG04 generator set context

The John Deere 4045HFG04 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 85 kVA / 68 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.

Also searched as

4045hfg04John Deere 4045HFG044045 Series 4045HFG04

Technical Specifications

BrandJohn Deere
Model4045HFG04
Series4045 Series
ConfigurationL4
Cylinders4
Displacement4.5 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Final Tier 4
Country of OriginUnited States

Frequently asked questions

What is the power output of the John Deere 4045HFG04?

The John Deere 4045HFG04 is rated at 85 kVA standby / 76 kVA prime at 50 Hz (1,500 rpm); and 106 kVA standby / 95 kVA prime at 60 Hz (1,800 rpm).

Does the 4045HFG04 run at 50 Hz or 60 Hz?

The John Deere 4045HFG04 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the John Deere 4045HFG04 use?

The John Deere 4045HFG04 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 4045HFG04?

The John Deere 4045HFG04 is an inline-4 (4-cylinder) engine with a displacement of 4.5 L.

What emissions standard does the 4045HFG04 meet?

The John Deere 4045HFG04 is certified to U.S. EPA Final Tier 4 emissions standards.

Is the John Deere 4045HFG04 still in production?

Yes — the John Deere 4045HFG04 is a current production model.

Is a datasheet available for the 4045HFG04?

Yes — an official John Deere datasheet for the John Deere 4045HFG04 can be downloaded from this page.

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