
Renting a diesel generator in Fresno in 2026 typically costs between $180–$350 per day, $540–$1,050 per week, and $1,620–$3,150 per month. These rates vary based on the generator's power capacity and additional features. Leading rental companies in Fresno provide a wide range of options suitable for different industrial needs.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| A1 Equipment Rentals | $110 | $550 | 5 | Visit |
| Equipment Rental Pros (via comparison) | $68 | $272 | 8 | Visit |
| United Rentals | $180 | $540 | 7 | Visit |
| Hertz Equipment Rental | $90 | $270 | 7 | Visit |
Several factors affect the rental costs of diesel generators, including the power output, duration of hire, and any additional services such as delivery and setup.
When renting a diesel generator, be aware of potential hidden fees. These can include delivery and pick-up charges, which may be flat or mileage-based, fuel surcharges, damage waivers versus full insurance, cleaning fees for excessive dirt or mud, late-return penalties, and overtime usage charges.

The demand for diesel generators in Fresno is expected to grow in 2026, driven by construction projects and events requiring reliable power sources. Rental companies are expanding their fleets to include more fuel-efficient and environmentally friendly models.
Ensure compliance with local regulations regarding emissions and noise levels when renting diesel generators. Rental companies typically provide guidance on meeting these standards.
When planning a portable generator hire in Fresno, consider the specific power requirements and duration of your project. It's crucial to coordinate the delivery and pickup times to align with your project schedule. Ensure that the generator's capacity matches your power needs and check if additional accessories, such as cables or transfer switches, are necessary. Proper staging and access for the generator can streamline operations and minimize downtime. Discuss cleanup and return conditions with the rental provider to avoid unexpected charges.
Tip: To avoid rental friction, ensure the generator is returned clean and within the agreed time window.