Simpson 61014 / PS61002-S 3500 PSI 2.5 GPM Gas Pressure Washer Review

When cleaning demands go beyond the reach of basic electric washers or entry-level gas models, you need something more robust — a machine that combines power, durability, and professional-grade engineering. The Simpson 61014 / PS61002-S Gas Pressure Washer is designed precisely for that purpose.

Packing 3,500 PSI of water pressure at 2.5 GPM, powered by a Honda GX200 commercial engine and paired with a AAA AX300 axial cam pump, this washer is built for contractors, heavy-duty homeowners, farmers, and anyone who regularly deals with stubborn grime, oil, paint, or industrial messes.

It’s more than just a cleaning tool — it’s a reliable workhorse that turns hours of scrubbing into minutes of effortless pressure washing. In this review, we’ll cover everything you need to know: features, design, performance, usability, pros and cons, comparisons, and whether this machine is worth the investment.

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Simpson 61014 3500 PSI at 2.5 GPM Honda GX200 with AAA AX300 Axial Cam…
  • Professional Performance: Easy-to-assemble and easy-to-start with its Honda GX200 premium engine, the PowerShot power washer is great for contractors who specialize in deck cleaning, wood restoration, paint preparation, and all other professional services


Key Features and Specifications

  • Max Pressure: 3,500 PSI
  • Flow Rate: 2.5 GPM
  • Engine: Honda GX200 OHV commercial-grade engine
  • Pump: AAA AX300 axial cam pump, maintenance-free with thermal relief
  • Frame: Welded steel tube frame with powder-coated finish
  • Wheels: 10-inch pneumatic wheels for rough terrain
  • Hose: 25-foot MorFlex® high-pressure, kink-resistant hose
  • Nozzles: 5 quick-connect tips (0°, 15°, 25°, 40°, soap)
  • Fuel Type: Gasoline, with large tank for extended run time
  • Safety Features: Low oil shutdown, thermal relief valve, safety lock trigger
  • Weight: ~74 lbs — heavy-duty yet portable
  • Warranty: Extended coverage on engine, pump, and frame

This blend of specs puts it at the upper end of residential washers and squarely into light commercial territory.


Design and Build Quality

One of the defining aspects of Simpson pressure washers is their rugged, job-site ready construction, and the 61014 / PS61002-S is no exception.

Frame & Construction

  • Built with a powder-coated steel tube frame, it resists corrosion and impact damage.
  • The welded design eliminates weak points, ensuring stability even during transport and operation.
  • Its structure protects vital components like the pump and engine from knocks.

Wheels & Mobility

  • Equipped with 10-inch pneumatic tires, it rolls smoothly over gravel, dirt, or grass.
  • The wide stance reduces tipping risk while pulling it around a job site.

Ergonomics

  • Handle height is optimized for easy transport without bending too low.
  • Built-in slots and hooks for hose, spray gun, and nozzles keep accessories organized.
  • Its 74-pound weight is substantial but manageable thanks to the wheels and frame balance.

Overall, the design communicates durability and reliability — you can feel that it’s built to last.


Engine & Pump Performance

Honda GX200 Engine

The heart of this machine is the Honda GX200, one of the most respected small engines in the industry. Known for longevity, fuel efficiency, and quiet operation relative to power, it provides dependable startup and consistent power delivery.

Key benefits:

  • Low oil shutdown protects against engine damage.
  • OHV design improves efficiency and reduces emissions.
  • Readily available parts and service — Honda engines have global support.

AAA AX300 Pump

The pump is equally critical. Simpson pairs this unit with the AAA AX300 axial cam pump, a professional-grade component that offers:

  • Maintenance-free design (no oil changes required).
  • Thermal relief valve to prevent overheating.
  • Durable seals and components for extended life.

The combination of the GX200 and AX300 ensures you’re not just getting pressure, but also long-lasting reliability.


Cleaning Power

With 3,500 PSI and 2.5 GPM, this washer produces a water stream strong enough to strip old paint, blast away deep stains, remove oil patches, and restore surfaces like new.

Example Applications:

  • Concrete driveways and patios: Quickly removes years of built-up grime, moss, and oil stains.
  • Siding and exterior walls: Cuts through dirt, mildew, and algae without needing harsh chemicals (use a wider nozzle for safety).
  • Decks and fences: Prepares wood for staining by stripping old coatings and dirt.
  • Heavy equipment and vehicles: Degreases tractors, trailers, trucks, and tools.
  • Commercial jobs: Ideal for contractors doing surface prep, graffiti removal, or large-scale cleaning.

The pressure is high enough for industrial messes yet adjustable with nozzle selection to suit residential cleaning.


Nozzles & Spray Flexibility

The washer comes with five quick-connect nozzles:

  • 0° nozzle: Extremely concentrated, best for stubborn stains or metal/concrete.
  • 15° nozzle: Great for deep cleaning hard surfaces like driveways.
  • 25° nozzle: General-purpose cleaning for siding, brick, or stone.
  • 40° nozzle: Wide spray for gentle cleaning or rinsing.
  • Soap nozzle: Low-pressure application of detergent.

This flexibility ensures you can tackle everything from gentle rinses to aggressive stripping jobs.


Usability & Workflow

Despite its professional power, the Simpson 61014 is surprisingly user-friendly.

  • Quick start: Honda engines are known for reliable pull-starting.
  • Trigger gun safety lock: Prevents accidental spraying.
  • Detergent application: Built-in soap system makes it easy to lather surfaces before rinsing.
  • Thermal protection: Pump automatically relieves heat if water is left standing.
  • Balanced mobility: Large wheels and balanced weight make it easy to roll around despite its heft.

The workflow is simple: connect water, fuel up, attach hose and nozzle, start engine, and spray.


Maintenance

A gas pressure washer does require some maintenance, but Simpson reduces the burden with design choices:

  • Engine: Regular oil checks, spark plug replacements, and air filter cleaning.
  • Pump: Maintenance-free design (no oil changes).
  • Winterization: Must be drained and stored with pump saver solution if in freezing conditions.
  • General checks: Inspect hose, wand, and fittings for wear.

With minimal but regular attention, this machine can last years of heavy service.


Pros & Cons

✅ Pros

  • Extremely powerful (3,500 PSI) — handles tough, professional jobs.
  • Honda GX200 engine ensures reliability and long service life.
  • AAA AX300 pump is maintenance-free with thermal protection.
  • Steel frame construction withstands rough handling.
  • 5 nozzle options allow versatile cleaning.
  • MorFlex hose is kink-resistant and durable.
  • Built-in safety features (low oil shutdown, thermal relief).
  • Excellent warranty coverage for peace of mind.

❌ Cons

  • Heavier than residential units (~74 lbs).
  • Gas engine requires fuel, oil, and regular upkeep.
  • Loud compared to electric models.
  • Overkill for light, everyday household cleaning.
  • Price is higher than mid-tier electric or consumer gas washers.

Comparison to Other Pressure Washers

  • Vs Simpson MegaShot Series (3,200 PSI / 2.5 GPM): The 61014 has more pressure and durability, plus the Honda GX engine advantage.
  • Vs Electric Pressure Washers: Electric units are quieter and maintenance-free but far less powerful. The Simpson is for heavy-duty users.
  • Vs Commercial Hot Water Units: This is a cold-water unit — it won’t degrease as effectively as hot-water washers, but it’s lighter, cheaper, and still effective with detergents.
  • Vs Simpson 4200 PSI Pro Models: The 61014 is lighter and more affordable, while still offering plenty of professional strength.

Who Should Buy This Pressure Washer?

The Simpson 61014 / PS61002-S is best for:

  • Contractors needing reliable power for daily work.
  • Homeowners with large properties and heavy cleaning tasks.
  • Farmers and equipment owners who must wash tractors, trailers, and tools.
  • DIY enthusiasts preparing surfaces for painting or sealing.

It is not ideal for:

  • Apartment or condo dwellers with light cleaning needs.
  • Users who prefer maintenance-free electric washers.
  • Buyers only needing occasional light-duty car washes or patio cleaning.

Final Verdict

The Simpson 61014 / PS61002-S 3500 PSI Gas Pressure Washer is a serious tool for serious jobs. Combining the trusted Honda GX200 engine with the AAA AX300 pump and a rugged steel frame, it’s built to deliver professional-grade cleaning power in a portable package.

If you’re looking for a pressure washer that can take on everything from driveways and decks to heavy equipment and contractor jobs, this is one of the best investments you can make.

👉 Verdict: A powerhouse pressure washer — reliable, durable, and professional-grade. Worth it for anyone who needs more than basic cleaning power.


FAQs – Simpson 61014 Pressure Washer

Q1. Can this machine remove old paint?
Yes, with the correct nozzle (15° or 25°) and distance, it can strip paint and prep surfaces for repainting.

Q2. Is it safe for cars?
Yes, but only with a wide-angle nozzle (40°) at a safe distance. Too close could damage paint.

Q3. Does the pump require oil changes?
No, the AAA AX300 pump is maintenance-free.

Q4. How heavy is it?
It weighs about 74 lbs, but the large wheels make it manageable.

Q5. Can it use hot water?
No, this is a cold-water-only unit.

Q6. Is it suitable for commercial use?
Yes — its engine, pump, and frame are designed for heavy-duty, daily operation.

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