At Hatton Power & Propulsion, we help customers across the Pacific Northwest source the right power solution for their vessel, facility, or fleet. As a certified Kohler and Onan generator dealer in Seattle, we offer a wide range of marine generators for sale, along with diesel backup systems for industrial and commercial applications.

Our generator sales team is factory-trained and equipped to recommend systems tailored to your vessel’s load demands, fuel preferences, emissions requirements, and runtime expectations. Whether you need a clean-burning, eco-compliant diesel generator for your workboat (or a low-maintenance backup generator for a critical onshore facility), Hatton delivers expert guidance and dependable support every step of the way.

We carry new and select used units, including trusted names like Kohler, Cummins, and Onan. Our approach is consultative, not transactional. We help you get the right equipment for long-term performance and efficiency.

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New vs. Used Generators: What to Know Before You Buy

Choosing between a new or used generator? Here’s how they stack up.

Feature

New Generators

Used Generators

Warranty

Full manufacturer warranty

Limited or none (depends on unit)

Customization

Built-to-spec for your needs

Limited to available inventory

Condition

Brand-new, zero hours

Pre-owned, tested, and serviced

Lead Time

Longer, varies by model

Shorter (in-stock units available)

Price

Higher upfront cost

Cost-effective for tight budgets

Both options can serve your needs well depending on your project timeline, budget, and technical requirements. Every used unit sold by Hatton Power is professionally inspected and serviced for performance and safety. We’re happy to walk you through what makes the most sense for your use case.

Why Choose Hatton Power for Generator Sales in Seattle?

  • Factory-certified team for Kohler, Cummins, Onan, and John Deere

  • In-stock marine and diesel backup generators ready for quick delivery

  • Consultative sales process based on your vessel specs or site requirements

  • Full service + maintenance support after purchase

  • Trusted by fleets, marinas, and commercial operators for over 20 years

Looking for something specific? We can meet at your office, vessel, or job site to assess your needs and provide a fast, accurate quote.

FAQs About Generator Sales in Seattle

How much do marine and diesel generators cost?
Generator pricing depends on size, brand, and fuel type. In general, marine generators range from $8,000 to $30,000+, and diesel backup units for commercial use can go higher depending on output and compliance needs. Reach out to us for a tailored quote.

Should I buy a new or used generator?
New units offer full warranty protection and customization, while used units save money and are often available sooner. We thoroughly inspect all pre-owned units before sale. Let’s talk about your budget and performance goals.

How long does delivery usually take?
Lead times for new generators vary by model and supplier, usually 3 to 8 weeks. For in-stock used units, delivery can often be arranged within days. Contact us to check availability and lead times for your preferred system.

Do your generators come with a warranty?
Yes. New generators include the full manufacturer's warranty (typically 1–3 years). Used units may come with limited coverage depending on age and condition. We’re happy to explain the details when you request a quote.

Can I get help choosing the right size generator?
Absolutely. We’ll assess your load requirements, usage type, and installation constraints to recommend the best fit. Our team has sized and sourced hundreds of systems for marine and commercial use. Let’s start with a quick consultation.

Request a Generator Quote in Seattle Today

Choosing the right generator isn’t just about specs; it’s about reliability, longevity, and support. At Hatton Power, we provide certified expertise and responsive service that goes beyond the sale.

Contact us now to request a quote, check inventory, or schedule an on-site visit.