ATAXTRA Pressure Washer Triplex Pump Alternatives: 6 Similar Picks Compared
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The ATAXTRA pressure washer triplex pump alternatives list helps you find a compatible replacement or upgrade. This pump delivers 3500 PSI at 4.0 GPM with a triplex plunger design. It features a 24mm solid shaft and fits General Pump TSS1511 systems. You might want something else if you need a complete machine instead of just a pump. You may also prefer different pressure, flow, or color options. The alternatives were chosen because their specs overlap with the original.
The first pick is the ATAXTRA pump itself, rated for direct replacement. Other options include the LSSOCH triplex pump for DIY builds. You can also choose gas-powered units like the Simpson PowerShot or VEVOR models for higher pressure. These machines offer 4400 PSI and 4.0 GPM. If you need less flow, the Ezasin model provides 3500 PSI at 2.3 GPM. The Simpson ALH4240 offers a durable CAT pump for contractors. The IvyBess unit is suitable for gardens and patios. Each choice varies in weight, size, and intended use. You should check the shaft type and port sizes before buying.
Our top pick: ATAXTRA 4.0 GPM Triplex Plunger Pump.
How alternatives compare to ATAXTRA
LSSOCH TSS1511 Triplex Pump 3500 PSI
The LSSOCH TSS1511 shares the same 3500 PSI and 4.0 GPM output as the ATAXTRA. It uses a triplex plunger design for similar pressure performance. This model weighs 20.9 pounds, which is a specific data point for your setup calculations. It comes in black, offering a standard industrial look. You should choose this if you need a direct replacement pump for DIY builds. It suits users who can source their own unloader valve and shaft drive. The core specs match the ATAXTRA closely, making it a viable budget-friendly alternative for those rebuilding existing systems.
Simpson PowerShot 4400 PSI Gas Pressure Washer
The Simpson PowerShot delivers 4400 PSI, which is 900 PSI higher than the ATAXTRA pump. It maintains the same 4.0 GPM flow rate. This unit is a complete gas pressure washer, not just a pump. It weighs 135 pounds and measures 50 inches in height. You should pick this if you need a finished machine for professional deck cleaning or paint prep. It fits contractors who prioritize power and durability over portability. The ATAXTRA is only a component, while this Simpson model is a standalone system ready for heavy-duty commercial tasks.
VEVOR 4400 PSI 4.0 GPM Gas Pressure Washer
The VEVOR gas pressure washer offers 4400 PSI, exceeding the ATAXTRA's 3500 PSI rating. It also provides 4.0 GPM flow. This is a complete unit weighing 137 pounds with dimensions of 37.4 inches in length. It includes five nozzles for various cleaning tasks. You should select this for heavy-duty driveway and patio cleaning. It fits users needing a robust tool with durable construction. Unlike the ATAXTRA pump, this VEVOR model is a self-contained machine. It is better for large outdoor surfaces where high pressure and portability are less critical than raw power.
Ezasin 3500 PSI Gas Pressure Washer
The Ezasin gas pressure washer matches the ATAXTRA's 3500 PSI maximum pressure. However, it flows at only 2.3 GPM, which is significantly lower than the ATAXTRA's 4.0 GPM. This unit weighs 63 pounds and includes a soap tank. You should choose this for smaller jobs requiring high pressure but not high flow. It is practical where triplex pumps are unnecessary. The lower flow rate means slower cleaning on large areas. This Ezasin model is a complete machine, whereas the ATAXTRA is a pump component. It suits users prioritizing pressure over speed for lighter duty tasks.
Simpson Aluminum 4200 PSI Honda Gas Pressure Washer
The Simpson ALH4240 provides 4200 PSI, which is 700 PSI higher than the ATAXTRA. It maintains the 4.0 GPM flow rate. This complete gas washer weighs 124 pounds and features a CAT pump. You should pick this for heavy commercial tasks requiring high flow and durability. It fits contractors who prioritize power and mobility. The Simpson model is a full machine, not just a replacement pump. It offers more pressure than the ATAXTRA while keeping the same water volume. This makes it suitable for professional users who need a reliable, high-performance system for demanding jobs.
IvyBess 4200 PSI 4.0 GPM Gas Pressure Washer
The IvyBess gas pressure washer delivers 4200 PSI, surpassing the ATAXTRA's 3500 PSI. It offers 4.0 GPM flow, matching the ATAXTRA's volume. This unit weighs 66 pounds and includes a 25-foot hose and five nozzles. You should choose this for patios, gardens, and yards. It fits homeowners needing a portable gas-powered solution. Unlike the ATAXTRA pump, this is a complete machine. It provides higher pressure while maintaining the same flow rate. This makes it ideal for residential use where portability and ease of use are key factors for cleaning outdoor spaces.
Quick picks
Our 7 picks
ATAXTRA 4.0 GPM Triplex Plunger Pump
Best for: Replacing General Pump TSS1511 triplex pumps
- Maximum Pressure
- 3500 PSI
- Flow Rate
- 4.0 GPM
- Pump Type
- Triplex plunger
View on Amazon: ATAXTRA 4.0 GPM Triplex Plunger Pump Affiliate link
This ATAXTRA unit replaces General Pump TSS1511, TS1511, and Interpump WS151 models. It delivers 3500 PSI at 4.0 GPM using a 24mm solid shaft. The pump requires a 1450 RPM drive and up to 13.0 GHP. It features dual 1/2 BSP inlet and 3/8 BSP discharge ports. You should choose this if you need a direct replacement for these specific high-pressure washer systems.
Pros
- Delivers 3500 PSI pressure output
- Provides 4.0 GPM flow rate
- Uses 24mm solid shaft for belt or gear drive
- Compatible with General Pump TSS1511 and TS1511 models
- Features dual 1/2 BSP inlet ports
Cons
- Lower 3500 PSI rating compared to 4200-5000 PSI competitors
- Requires specific 1450 RPM drive speed
- No included power source or engine
Good fit if
- You need a replacement for General Pump TSS1511 or TS1511 models
- You require a 24mm solid shaft drive
- Your system operates at 1450 RPM
Skip if
- You need pressure above 3500 PSI
- You require a complete pressure washer unit with engine
- Your pump drive runs at speeds other than 1450 RPM
Verdict: ATAXTRA TSS1511 Triplex Pump 3500 PSI 4.0 GPM fits users needing a direct replacement for General Pump TSS1511 or TS1511 systems with a 24mm solid shaft. It is not suitable for those requiring higher pressure or a complete machine.
LSSOCH TSS1511 Triplex Pump 3500 PSI
Best for: DIY pressure washer builds needing 3500 PSI
- Maximum Pressure
- 3500 PSI
- Flow Rate
- 4.0 GPM
- Pump Type
- Triplex plunger
- Color
- Black
- Weight
- 20.9 pounds
View on Amazon: LSSOCH TSS1511 Triplex Pump 3500 PSI Affiliate link
This LSSOCH TSS1511 is a replacement triplex pump for pressure washers. It delivers 3500 PSI and 4.0 GPM at 1450 RPM. The unit features a solid 24mm shaft and ceramic plungers. It uses an aluminum oil-bath crankcase. You need this pump if you are building or repairing a washer. It fits systems requiring a primary pressure regulator. The package includes only the pump.
Pros
- 3500 PSI maximum discharge pressure
- 4.0 GPM flow rate
- Solid 24mm shaft for belt or gear drive
- Ceramic plungers with lubricated packings
- Die-cast aluminum oil-bath crankcase
Cons
- Sells as the pump only, excluding the required unloader valve
- Limited to 1450 RPM max speed
- Requires adding engine oil before first use
Good fit if
- You need a direct replacement for a TSS1511 or TS1511 pump
- You are building a pressure washer with a 24mm solid shaft
- You require a triplex plunger design for durability
Skip if
- You want a complete pressure washer unit with engine
- You need a pump that operates above 1450 RPM
- You are looking for a unit that includes an unloader valve
Verdict: LSSOCH TSS1511 Triplex Pump 3500 PSI is a solid choice for DIY builders needing a 3500 PSI, 4.0 GPM pump. It suits those who can source their own unloader valve and shaft drive.
Simpson PowerShot 4400 PSI Gas Pressure Washer
Best for: Professional deck cleaning and paint prep
- Maximum Pressure
- 4400 PSI
- Flow Rate
- 4.0 GPM
- Power Source
- Gas
- Engine Displacement
- 420cc
- Hose Length
- 50 ft
- Nozzle Count
- 5
View on Amazon: Simpson PowerShot 4400 PSI Gas Pressure Washer Affiliate link
The Simpson PowerShot delivers 4400 PSI at 4.0 GPM using a CRX 420cc engine. It features an AAA industrial triplex plunger pump with thermal relief and PowerBoost Technology. The unit includes a 50-foot hose and five nozzle tips. You get a welded steel frame with pneumatic tires for mobility. This gas model suits contractors needing high pressure and flow for deck cleaning or paint preparation.
Pros
- 4400 PSI maximum pressure output
- 4.0 GPM flow rate for fast cleaning
- AAA industrial triplex plunger pump
- 50-foot high-pressure hose included
- Five quick-connect nozzle tips
Cons
- 135-pound weight makes it heavy
- Does not ship to California
- No electric start mentioned in data
Good fit if
- You need 4400 PSI for tough jobs
- You prefer gas power for mobility
- You want a 50-foot hose reach
Skip if
- You live in California
- You need electric start capability
- You require a lighter unit under 100 pounds
Verdict: Simpson PowerShot 4400 PSI Gas Washer offers high pressure and flow for professional tasks. It fits contractors who prioritize power and durability over portability.
VEVOR 4400 PSI 4.0 GPM Gas Pressure Washer
Best for: heavy-duty driveway and patio cleaning
- Maximum Pressure
- 4400 PSI
- Flow Rate
- 4.0 GPM
- Power Source
- Gas Powered
- Engine Displacement
- 390 ml
- Hose Length
- 50 ft
- Nozzle Count
- 5
View on Amazon: VEVOR 4400 PSI 4.0 GPM Gas Pressure Washer Affiliate link
This VEVOR gas pressure washer delivers 4400 PSI and 4.0 GPM for heavy cleaning tasks. It features a 390 ml engine and a copper pump. The unit includes a 50 ft hose and five metal nozzles. Its steel frame and large wheels aid mobility. You get a robust tool for driveways and patios. The design prioritizes power and storage convenience for your outdoor projects.
Pros
- 4400 PSI maximum pressure for tough stains
- 4.0 GPM flow rate for fast cleaning
- 50 ft high-pressure hose included
- Five quick-connect metal spray nozzles
- 10-inch flat-free wheels for easy movement
Cons
- Heavier at 137 pounds
- Larger footprint at 37.4 inches long
- No included surface cleaner attachment
Good fit if
- You need high pressure for brick or concrete
- You want a 50 ft hose for reach
- You prefer a steel frame for durability
Skip if
- You need a lightweight unit under 100 pounds
- You require a smaller footprint for tight storage
- You prefer an electric power source
Verdict: VEVOR 4400 PSI Gas Pressure Washer offers strong pressure and flow for large outdoor surfaces. It fits users who need a heavy-duty tool with ample hose length and durable construction.
Ezasin 3500 PSI Gas Pressure Washer
Best for: smaller jobs requiring high pressure
- Maximum Pressure
- 3500 PSI
- Flow Rate
- 2.3 GPM
- Power Source
- Gas
- Engine Displacement
- 212 cc
- Hose Length
- 25 ft
- Nozzle Count
- 4
View on Amazon: Ezasin 3500 PSI Gas Pressure Washer Affiliate link
This Ezasin gas pressure washer delivers 3500 PSI and 2.3 GPM. It uses a 212cc engine and an axial cam pump. The unit includes a 25-foot hose and four nozzles. It weighs 63 pounds and features 10-inch tires for mobility. You should choose this model if you need high pressure but can manage lower flow rates compared to triplex alternatives.
Pros
- 3500 PSI maximum pressure output
- 25-foot high-pressure hose included
- Four quick-connect nozzle heads
- 212cc 7HP gasoline engine
Cons
- 2.3 GPM flow rate is lower than the 4.0 GPM standard in this list
- Axial cam pump is less durable than triplex pumps
- Heavier and bulkier than electric alternatives
Good fit if
- You need high pressure for stubborn grime
- You prefer gas power for mobility
- You have a smaller deck or driveway
Skip if
- You require 4.0 GPM for fast rinsing
- You need a triplex pump for longevity
- You want a lightweight electric unit
Verdict: Ezasin 3500 PSI 2.3 GPM Gas Washer suits users who prioritize pressure over flow speed. It is a practical option for smaller jobs where triplex pumps are unnecessary.
Simpson Aluminum 4200 PSI Honda Gas Pressure Washer
Best for: contractors needing high flow and durability
- Maximum Pressure
- 4200 PSI
- Flow Rate
- 4.0 GPM
- Power Source
- Gas
- Hose Length
- 50 ft
- Nozzle Count
- 5
- Pump Type
- Triplex plunger
View on Amazon: Simpson Aluminum 4200 PSI Honda Gas Pressure Washer Affiliate link
The Simpson ALH4240 delivers 4200 PSI and 4.0 GPM using a Honda GX390 engine and a CAT triplex plunger pump. It includes a 50-foot hose and pneumatic tires for job site mobility. This unit suits contractors needing professional-grade cleaning power. The aluminum frame resists corrosion. You get five quick-connect tips for various surfaces.
Pros
- Honda GX390 engine with low-oil shutdown
- CAT triplex plunger pump with ceramic pistons
- 50-foot dual-braided high-pressure hose
- 13-inch pneumatic tires for rough terrain
- Includes five quick-connect spray tips
Cons
- 124-pound weight requires two people to lift
- Not compliant for sale in California
- Gas engine requires fuel mixing and maintenance
Good fit if
- You need high flow for fast deck cleaning
- You work on uneven job sites
- You prefer Honda engine reliability
Skip if
- You live in California
- You want electric quiet operation
- You need a lightweight unit for a car trunk
Verdict: Simpson ALH4240 4200 PSI Gas Washer handles heavy commercial tasks with its 4.0 GPM flow and durable CAT pump. It fits contractors who prioritize power and mobility over portability.
IvyBess 4200 PSI 4.0 GPM Gas Pressure Washer
Best for: patios, gardens, and yards
- Maximum Pressure
- 4200 PSI
- Flow Rate
- 4.0 GPM
- Power Source
- Gas
- Engine Displacement
- 212cc
- Hose Length
- 25 ft
- Nozzle Count
- 5
View on Amazon: IvyBess 4200 PSI 4.0 GPM Gas Pressure Washer Affiliate link
The IvyBess 4200 PSI gas pressure washer delivers 4.0 GPM flow rate for effective cleaning. It uses a 212cc engine with an axial cam pump. The unit includes a 25 ft hose and five nozzles. It weighs 66 pounds and measures 23 inches long. This machine suits patios, gardens, and yards. You get strong pressure for stubborn dirt removal on driveways and fences.
Pros
- 4.0 GPM flow rate for fast rinsing
- 212cc gasoline engine provides cordless freedom
- Five quick-connect nozzles for various tasks
- 25 ft steel-braided hose extends reach
- Steel frame with never-flat wheels
Cons
- Axial cam pump is less durable than triplex pumps
- Weighs 66 pounds, making it heavy to move
- Includes only a 1L soap tank capacity
Good fit if
- You need high flow rate for large areas
- You want cordless power for gardens
- You clean driveways and fences regularly
Skip if
- You require a triplex pump for longevity
- You need a lightweight unit under 50 pounds
- You prefer electric power sources
Verdict: The IvyBess 4200 PSI Gas Pressure Washer offers strong cleaning power with its 4.0 GPM flow. It fits homeowners who need a portable, gas-powered solution for patios and gardens.
Specifications side by side
| Spec | ATAXTRA 4.0 GPM Triplex Plunger Pump | LSSOCH TSS1511 Triplex Pump 3500 PSI | Simpson PowerShot 4400 PSI Gas Pressure Washer | VEVOR 4400 PSI 4.0 GPM Gas Pressure Washer | Ezasin 3500 PSI Gas Pressure Washer | Simpson Aluminum 4200 PSI Honda Gas Pressure Washer | IvyBess 4200 PSI 4.0 GPM Gas Pressure Washer |
|---|---|---|---|---|---|---|---|
| Maximum Pressure | 3500 PSI | 3500 PSI | 4400 PSI | 4400 PSI | 3500 PSI | 4200 PSI | 4200 PSI |
| Flow Rate | 4.0 GPM | 4.0 GPM | 4.0 GPM | 4.0 GPM | 2.3 GPM | 4.0 GPM | 4.0 GPM |
| Power Source | not stated | not stated | Gas | Gas Powered | Gas | Gas | Gas |
| Engine Displacement | not stated | not stated | 420cc | 390 ml | 212 cc | not stated | 212cc |
| Hose Length | not stated | not stated | 50 ft | 50 ft | 25 ft | 50 ft | 25 ft |
| Nozzle Count | not stated | not stated | 5 | 5 | 4 | 5 | 5 |
| Pump Type | Triplex plunger | Triplex plunger | Triplex plunger | not stated | Axial cam | Triplex plunger | axial cam |
| Pressure | 3500 PSI | 3500 PSI | 4400 PSI | 4400 PSI | 3500 PSI | 4200 PSI | 4200 PSI |
| Intended Use | not stated | not stated | not stated | Cars, Patios, Homes, Driveways | not stated | not stated | Patios, Gardens, Yards |
| Features | not stated | not stated | not stated | not stated | Soap Tank | not stated | not stated |
| Color | Customizable | Black | Black | black-orange | Blue | Red | Black |
| Weight | not stated | 20.9 pounds | 135 pounds | 137 pounds | 63 pounds | 124 pounds | 66 pounds |
| Dimensions | not stated | not stated | 8 × 3 × 50 inches | 37.4 × 26.4 × 31.3 inches | 21.5 × 23.5 × 39.5 inches | 38 × 23.5 × 29 inches | 20 × 20 × 22 inches |
| Model | TSS1511 TS1511 | TSS1511,TS1511 | PS60843 | BS170D-SP | EAPW01 | ALH4240 | SU098 |
| Size | not stated | not stated | 4400 psi At 4.0 GPM | not stated | 3500 PSI | 4200 PSI @ 4.0 GPM | 23"L x 17"W x 22"H |
If you prefer a complete machine over a pump replacement, you can compare the best gas pressure washers.
Frequently asked questions
Can I use the LSSOCH pump as a direct replacement for the ATAXTRA?
Yes, the LSSOCH TSS1511 matches the ATAXTRA’s 3500 PSI and 4.0 GPM output. It uses the same triplex plunger design for similar pressure performance. However, you must source your own unloader valve and shaft drive. The LSSOCH model weighs 20.9 pounds, which helps with your setup calculations.
What is the difference between the ATAXTRA and Simpson PowerShot pumps?
The ATAXTRA is a replacement pump rated at 3500 PSI. The Simpson PowerShot is a complete gas pressure washer delivering 4400 PSI. It includes a gas engine and frame. The Simpson unit weighs 135 pounds, making it far heavier than a standalone pump replacement for your existing machine.
Is there a lighter option than the standard 3500 PSI pumps?
The Ezasin 3500 PSI Gas Pressure Washer offers a lower flow rate of 2.3 GPM. It weighs only 63 pounds, which is significantly lighter than the 135-pound Simpson or 137-pound VEVOR units. This model suits smaller jobs where high pressure is more important than fast water flow.
Which alternative is best for heavy-duty driveway cleaning?
The VEVOR 4400 PSI Gas Pressure Washer is built for heavy-duty tasks like driveway and patio cleaning. It provides 4.0 GPM flow and includes five nozzles for different spray patterns. The unit weighs 137 pounds and features durable construction suitable for large outdoor surfaces and demanding cleaning jobs.
Does the Simpson ALH4240 have a higher flow rate than the ATAXTRA?
No, the Simpson ALH4240 has the same 4.0 GPM flow rate as the ATAXTRA pump. It differs by offering higher pressure at 4200 PSI. It is a complete gas-powered unit weighing 124 pounds. It features a durable CAT pump designed for contractors who prioritize power and mobility for commercial tasks.
Can I use these pumps for garden and patio cleaning?
The IvyBess 4200 PSI Gas Pressure Washer is designed for patios, gardens, and yards. It delivers 4.0 GPM flow and includes a 25-foot hose. Weighing 66 pounds, it is portable for homeowners. It comes with five nozzles to handle various cleaning needs around your outdoor living spaces effectively.