Generac GP17500 5735 Generator Portable 17500W

Description

Generac GP17500 (Model 5735) Portable Generator 17,500W Electric Start

The Generac GP17500 (Model 5735) is a heavy-duty open-frame portable generator designed for maximum emergency home backup power and demanding job site use. It is one of Generac’s largest portable units, built to handle high electrical loads such as HVAC systems, large appliances, power tools, and multi-circuit home backup setups.

Powered by a 992cc Generac OHVI engine, this generator delivers strong, stable output with long engine life and built-in protection systems. It features electric start, heavy-duty steel frame construction, and a large fuel tank designed for extended runtime during outages or field operations.

This model is widely used for whole-house portable backup scenarios, especially where a standby generator is not installed.

Key Features

• Massive 17,500W running power
• Electric start with backup recoil system
• Heavy-duty Generac OHVI engine for long service life
• Multiple outlet configuration for home and job site use
• Steel frame designed for harsh environments
• Portable wheel kit for mobility (very heavy unit)
• Large fuel tank for extended runtime
• Low oil shutdown and circuit protection
• Capable of supporting essential home circuits or whole-house partial loads
• Built for emergency and contractor-grade usage

Applications

• Whole-home emergency backup power (portable solution)
• Construction and industrial job sites
• Large appliances and HVAC support
• Power outage preparedness
• Remote work sites and heavy equipment use

Generac GP17500 5735 Generator Portable 17500W: Buying Considerations

The Generac GP17500 (5735) is a 17,500W portable generator with electric start and a heavy-duty OHVI engine. Designed for emergency home backup and professional job sites, it delivers high-capacity power for large appliances, tools, and essential electrical systems.

Before ordering the Generac GP17500 5735 Generator Portable 17500W from Generac, review the points below against your actual site conditions and workload. Published specifications describe the equipment under test conditions, and real-world performance depends on how closely your application matches those conditions. Buyers in the United States, Canada, and Asia should also confirm local voltage and frequency requirements, applicable safety or emissions standards, and freight or import logistics for the destination before finalizing an order.

What to Check Before You Buy

• Add up running watts for every load that could run simultaneously, then confirm starting watts covers the highest surge load (motors and compressors draw 2-3x their running watts at startup).
• Check fuel type against what is actually available where the unit will run – dual fuel models trade a small efficiency loss for supply flexibility during outages.
• Verify outlet configuration (120V/240V, twist-lock, transfer-switch compatibility) matches the panel or equipment it needs to power.
• Confirm noise output against any local ordinance or jobsite requirement before purchase, not after delivery.

How much fuel does a portable generator use per hour?

Fuel consumption depends on load, not just engine size – a generator running at 50% load uses meaningfully less fuel per hour than the same unit at full rated output. Manufacturer runtime specs are typically given at 50% load, so plan fuel storage around actual expected load, not the headline runtime number alone.

For sizing help across the full Generators category, compare specifications side by side before committing to a specific model, and confirm current pricing, availability, and freight details for your location. Keep the supplier data sheet and any acceptance criteria on record for future maintenance and replacement decisions.