December 8, 2025
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Equipment Hire

Diesel Generator Rental Portland | Guide 2025

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Denise Ellison
Head of Marketing

Diesel Generator Rental Rates Portland 2025

In Portland, renting a diesel generator in 2025 typically costs between $150–$300 per day, $600–$1,200 per week, and $1,800–$3,500 per month. These rates vary based on the generator's power capacity and additional features. Leading rental companies in Portland provide a wide range of options suitable for various industrial needs.

Vendor Daily Rate Weekly Rate Review Score Website
United Rentals $124 $312 8 Visit
Sunbelt Rentals $154 $451 8 Visit
Hertz Equipment Rental $154 $451 7 Visit
Ahern Rentals $124 $312 7 Visit
Star Rentals $124 $312 7 Visit

Factors Influencing Diesel Generator Hire Prices

Several factors affect the rental costs of diesel generators, including the generator's power output, duration of hire, and any additional services such as delivery and setup.

Hidden-Fee Breakdown

When renting a diesel generator, be aware of potential hidden fees. These can include delivery and pick-up charges, which may be flat or based on mileage, fuel surcharges, and cleaning fees for excessive dirt or mud. Additionally, consider damage waivers versus full insurance options, and be mindful of late-return penalties and overtime charges.

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diesel and generator in construction work

Diesel Generator Rental Market Insights 2025

The demand for diesel generators in Portland is expected to grow in 2025, driven by construction projects and emergency power needs. Rental companies are expanding their fleets to include more fuel-efficient and environmentally friendly models.

Regulatory Compliance Note

Ensure compliance with local regulations regarding emissions and noise levels when renting diesel generators. Portland has specific guidelines that must be adhered to, which can impact the choice of equipment.