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John Deere 4045HFG85

4045 Series

In Production

The John Deere 4045HFG85 is a 4.5-litre inline-4 diesel engine for generator sets, rated at 161 kVA / 129 kWe standby power at 1,800 RPM (60 Hz). It is a liquid-cooled engine built in United States. It meets U.S. EPA Tier 3 emissions standards.

Manufacturer files
1 datasheet
Last updated
2026-05-29
Package route
diesel generator sets
Standby Power · 60 Hz
161 kVA
Electrical Output
129 kWe
Cylinders
L4
Displacement
4.5 L
Rated Speed
1,800 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

60 Hz1800 RPM

kWmkWekVA
Prime Power130117146.3
Standby Power143.3129161.3
Shareable spec cardJohn Deere 4045HFG85 summary imageOpen image
John Deere 4045HFG85 4.5L L4 diesel generator engine — 161 kVA standby specifications

John Deere 4045HFG85 generator set context

The John Deere 4045HFG85 is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 161 kVA / 129 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

4045hfg85John Deere 4045HFG854045 Series 4045HFG85

Technical Specifications

BrandJohn Deere
Model4045HFG85
Series4045 Series
ConfigurationL4
Cylinders4
Displacement4.5 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 3
Country of OriginUnited States

Frequently asked questions

What is the power output of the John Deere 4045HFG85?

The John Deere 4045HFG85 is rated at 161 kVA standby / 146 kVA prime at 60 Hz (1,800 rpm).

Does the 4045HFG85 run at 50 Hz or 60 Hz?

The John Deere 4045HFG85 is rated for 60 Hz (1,800 rpm).

What fuel does the John Deere 4045HFG85 use?

The John Deere 4045HFG85 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 4045HFG85?

The John Deere 4045HFG85 is an inline-4 (4-cylinder) engine with a displacement of 4.5 L.

What emissions standard does the 4045HFG85 meet?

The John Deere 4045HFG85 is certified to U.S. EPA Tier 3 emissions standards.

Is the John Deere 4045HFG85 still in production?

Yes — the John Deere 4045HFG85 is a current production model.

Is a datasheet available for the 4045HFG85?

Yes — an official John Deere datasheet for the John Deere 4045HFG85 can be downloaded from this page.

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