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AR 3000 PSI 2.5 GPM 3/4" Hollow Shaft Replacement Pressure Washer Pump w/ Unloader

AR 3000 PSI 2.5 GPM 3/4" Hollow Shaft Replacement Pressure Washer Pump w/ Unloader
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Model: RMV25G30D
(Based on expert analysis, manufacturer ratings and customer reviews)
4.4 out of 54.4 out of 54.4 out of 54.4 out of 54.4 out of 5
Number of Reviews (59)
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$139.99
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  • Product Description
  • 59
    Reviews
  • 15
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
+−
Grade
Style
Inflow
3/4
3/4" Threaded (Female)
Outflow
22m Threaded (Male)
22m Threaded (Male)
Grade
Consumer
Style
Gas
Inflow
3/4" Threaded (Female)
Outflow
22m Threaded (Male)
Features
Features
  • High Quality Replacement For Worn Out Pumps
  • Fits many homeowner-type pressure washers
  • Axial Cam Pump
  • Direct drive for convenience and durability
  • Built-in pressure control valve
  • High pressure outlet fitting & thermal relief valve are included
  • Standard Matching Gasoline Mounting Flange
  • Convenient connection to a 3/4" gas engine flange
  • 3/4" hollow shaft spins at 3400 rpm
  • Bore diameter 12mm; Stroke 9.7 mm; 4.3 HP pump
  • Can be used in place of RMV25G27D
  • 27D allowed 2700 PSI, this one allows 3000 PSI
  • Powerful And Versatile
  • Will push 2.5 gpm at 3000 psi; ideal for 5 to 6.5 HP engines
  • Water inlet: 3/4" Female garden hose; outlet: 22 MM Male thread
  • Please Measure Shaft And Flange Bolt Holes Carefully!
  • There is a 25% restock fee on returned pumps
  • This is a bare pump; you will need to reuse the connectors & siphon tube from your old pump
  • Please Call Us For Sizing Assistance w/ Information Below:
  • 1. Age of Pump and Model # (must be no more than 15-yrs old)
  • 2. Is the pump Vertical or Horizontal
  • 3. Shaft Size - 3/4", 7/8" (vertical ONLY), 1", or Belt Drive XXmm
  • 4. Engine Brand and HP (model # if available would be helpful)
  • ***Shaft Size Measurements Must Be Precise***
Specifications
Pump
Pump Brand
AR
Pump Type
Axial Cam
Adjustable Pressure
No
Chemical Injection
Siphon Tube
Accessories
Pump Brand
AR
Pump Type
Axial Cam
Pump Design
Horizontal
Shaft Size
3/4
Adjustable Pressure
No
Accessory Grade
Consumer
Accessory Style
Gas
Inflow
3/4" Threaded (Female)
Outflow
22m Threaded (Male)
Rated PSI
3000 PSI
Chemical Injections
Siphon Tube
Overview
Weight
7.5 Pounds
Product Length
12.5 Inches
Product Width
7.5 Inches
Product Height
8 Inches
Consumer Warranty
1 Year
Grade
Style
Inflow
3/4
3/4" Threaded (Female)
Outflow
22m Threaded (Male)
22m Threaded (Male)
Grade
Consumer
Style
Gas
Inflow
3/4" Threaded (Female)
Outflow
22m Threaded (Male)
Features
Features
  • High Quality Replacement For Worn Out Pumps
  • Fits many homeowner-type pressure washers
  • Axial Cam Pump
  • Direct drive for convenience and durability
  • Built-in pressure control valve
  • High pressure outlet fitting & thermal relief valve are included
  • Standard Matching Gasoline Mounting Flange
  • Convenient connection to a 3/4" gas engine flange
  • 3/4" hollow shaft spins at 3400 rpm
  • Bore diameter 12mm; Stroke 9.7 mm; 4.3 HP pump
  • Can be used in place of RMV25G27D
  • 27D allowed 2700 PSI, this one allows 3000 PSI
  • Powerful And Versatile
  • Will push 2.5 gpm at 3000 psi; ideal for 5 to 6.5 HP engines
  • Water inlet: 3/4" Female garden hose; outlet: 22 MM Male thread
  • Please Measure Shaft And Flange Bolt Holes Carefully!
  • There is a 25% restock fee on returned pumps
  • This is a bare pump; you will need to reuse the connectors & siphon tube from your old pump
  • Please Call Us For Sizing Assistance w/ Information Below:
  • 1. Age of Pump and Model # (must be no more than 15-yrs old)
  • 2. Is the pump Vertical or Horizontal
  • 3. Shaft Size - 3/4", 7/8" (vertical ONLY), 1", or Belt Drive XXmm
  • 4. Engine Brand and HP (model # if available would be helpful)
  • ***Shaft Size Measurements Must Be Precise***
Specifications
Pump
Pump Brand
AR
Pump Type
Axial Cam
Adjustable Pressure
No
Chemical Injection
Siphon Tube
Accessories
Pump Brand
AR
Pump Type
Axial Cam
Pump Design
Horizontal
Shaft Size
3/4
Adjustable Pressure
No
Accessory Grade
Consumer
Accessory Style
Gas
Inflow
3/4" Threaded (Female)
Outflow
22m Threaded (Male)
Rated PSI
3000 PSI
Chemical Injections
Siphon Tube
Overview
Weight
7.5 Pounds
Product Length
12.5 Inches
Product Width
7.5 Inches
Product Height
8 Inches
Consumer Warranty
1 Year
Product Specs
+−
Specifications
Pump
Pump Brand
AR
Pump Type
Axial Cam
Adjustable Pressure
No
Chemical Injection
Siphon Tube
Accessories
Pump Brand
AR
Pump Type
Axial Cam
Pump Design
Horizontal
Shaft Size
3/4
Adjustable Pressure
No
Accessory Grade
Consumer
Accessory Style
Gas
Inflow
3/4" Threaded (Female)
Outflow
22m Threaded (Male)
Rated PSI
3000 PSI
Chemical Injections
Siphon Tube
Overview
Weight
7.5 Pounds
Product Length
12.5 Inches
Product Width
7.5 Inches
Product Height
8 Inches
Consumer Warranty
1 Year
Reviews
4.4 out of 54.4 out of 54.4 out of 54.4 out of 54.4 out of 5
(59)
+−
AR RMV25G30D Reviews & Ratings
93% of Reviewers Recommend This Product
Product Q&A
(15)
+−
Search Product Q&A's Answered by Matt, the Pressure Washer Expert
icon-social-fb1
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I installed a new AR RMV25G30D pump on my 6-year old Troy-Bilt power washer with a Honda GC160 motor. The clearance of the hose connections to the power washer frame is tight but workable. I note that the pump flange would allow me to rotate the pump counterclockwise on the engine shaft by about 40 degrees (or 90 degrees) which would eliminate the hose connection clearance difficulty entirely. My question, is it okay to mount the pump with its body horizontal but rotated with the valve heads not being horizontal?
David 
from Missouri 
August 07, 2016
Answer
Please contact the AR folks directly at 866-235-5112 to find out if changing the installation will affect the performance of their pump.
+−
I have a Dewalt DXPW3835. Will this work OK as a replacement pump.
Terr 
from Colorado 
July 04, 2016
Answer
No, your pressure washer has a GX270 engine that has a 1" engine shaft. I have included a link to the pump I recommend for your engine.

Replacement Pump
+−
Will this fit a 2650 dek pressure washer 4 bolt horz shaft 3/4'' axial pump
Ray O'BRIEN 
from Iowa 
June 21, 2015
Answer
I'm sorry, we don't sell DEK units, and there isn't a cross-reference where I could look it up for you.

You may want to give the folks at AR a call, toll free, at 866-235-5112. They should be able to advise you if this pump will fit.
+−
I have a Devilbiss Excell 2400 PSI unit with a DAPC Axial Cam Model 18219 265684. Engine is 5 HP. I need to replace the pump unit -- what model should i get?
Tom Martin 
from New Jersey 
May 25, 2015
Answer
In order to make sure it is compatible with you machine you need to be sure of a few things.
1. Engine shaft diameter size
2. What is the HP or CC of your motor
3. The number of bolt holes your pump has
4. Whether your pump is horizontally or vertically mounted
After knowing those things we can better assist you in which replacement pump is right for you.
+−
I have to replace model # RMV 2.5G30. Will the RMV 2.5g30D be the right fit for me?
Marc 
from New York 
May 17, 2015
Answer
I would check your shaft and flange size to double verify.

Standard Matching Gasoline Mounting Flange
•Convenient connection to a 3/4" gas engine flange
•3/4" hollow shaft spins at 3400 rpm
•Bore diameter 12mm; Stroke 9.7 mm; 4.3 HP pump

Can be used in place of RMV25G27D
•27D allowed 2700 PSI, this one allows 3000 PSI

Powerful And Versatile
•Will push 2.5 gpm at 3000 psi; ideal for 5 to 6.5 HP engines
•Water inlet: 3/4" Female garden hose; outlet: 22 MM Male thread

Please Measure Shaft And Flange Bolt Holes Carefully!
•There is a 25% restock fee on returned pumps
+−
I have a pump just like this on my pressure washer and wanted to know if I could get parts for the pump or do u have to buy a new one? The pressure washer was locked up and until I took the pump off what would the issue be? The washer is a powerboss 3000 psi with Honda 190
Corey 
from Indiana 
October 27, 2014
Answer
This pump is not serviceable or rebuild able. You would need to purchase a new pump.
+−
Hi Mike, I have an AR pump model SJV 3G27-1 on a Troy Bilt pressure washer. I can only get 1100 PSI of pressure. I tried to increase the pressure by the pressure reg (Unloader) but can not get past 1100 PSi. HELP
Rich 
from Pennsylvania 
September 10, 2014
Answer
I apoligize for the issues you are having. I would recommend reaching out to the folks at AR for troubleshooting and service center locations. Their number is 866-235-5112
+−
Bill, I have a Pressure washer the has an AR-RMV2.5G27D pump on it. It works great and I was wondering if there would be anything wrong with running water from a basic hater heater, approx. 160 degree, through it. What could happen to it? Thanks, Jim
Jim 
from  
January 21, 2012
Answer
No, you could not run that hot of water thru your pump. You would literally end up melting the seals after 1 or 2 uses. Using hot water thru a "cold water" pump is the quickest way to damage a pump and cause it to stop creating pressure. Pumps like the one you have can only accept water up to 104 F degrees
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I need to match up the pumps. I bought 2 already and had to send them beck. I need pics of the face where it mounts the motor
Damian 
from Louisiana 
May 09, 2011
Answer
If you go to the specs portion and go to the download documents, you would be able to pull up a detailed diagram of the pump.

Thanks,

Pressure Washers Direct
+−
I need to replace a Devilbiss PK16331 Pump. It is on a Honda 5 HP motor. The original Presure Washer Mopdel # is WGCH2225 Will the RMV25G30D replace this Pump? thanks in advnace.
Dale 
from Ohio 
April 17, 2011
Answer
As long as your Honda engine has a 3/4" shaft on it, then yes this pump will mount up perfectly. Also, this is a horizontal mounted pump and cannot be mounted vertically. Given the HP size of your existing engine, you might want to consider purchasing a model SJV25G27D-F7. You will more than likely not be able to push the full 3000 psi with the size of your engine which could cause strain on the pump and shorten its lifespan.


+−
Hi Bill, I have a Karcher G2000MK 2000PSI 2.0GPM 87cc gas powered pressure washer.Would this pump AR 3000PSI 2.5GPM 3/4 hollow shaft replacewment pump model # RMV 25G30D be a suitable replacement for the one on my machine?
Victor Sqiires 
from  
April 17, 2011
Answer
As long as you have a 3/4" shafted engine then yes it would mount up just fine. However, the engine size you have is definitely not powerful enough to provide the full 3000 psi. If your engine has a 3/4" shaft, you would be better off purchasing a model SJV25G27D-F7 replacement pump given the size of your engine.


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where do you add the oil in a preasure washer pump
Richard Forrester 
from Alabama 
April 04, 2011
Answer
Certain style pumps cannot have the oil changed or added. These are sealed pumps and will normally be labeled as "Axial Cam" style pumps. "Triplex Plunger" style pumps can have oil added and/or changed. If you have this type of pump, there will be a fill port on top of the pump that unscrews. You will also have a threaded plug on the bottom of the pump so that you can drain the old used oil.
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which turbo tip would you recommend for this pump after attached to a honda engine?
Greg 
from Florida 
April 03, 2011
Answer
You would want to use a 3.0 size orifice when purchasing a turbo nozzle or spray tip for use with this pump. The exact turbo nozzle needed for this pump would be model # AL-TPR25-30A
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I have an RMV2.5 3k psi pump on a Robin/Subara 6 hp engine (Ridge Brand Washer). It does not pump water out of the nozzel under pressure. What might I look for. I have check the hoses. It is about 1 year old
Mark Carmouche 
from Louisiana 
March 28, 2011
Answer
Your problem would either be coming from the unloader valve sticking or the seals within the pump are blown. The only way to truly find out what the problem is, is for you to take the machine to a service center that repairs pressure washers and have them test it. Regardless, the seals on this pump cannot be replaced and the unloader valve would probably cost 1/2 the amount to replace as it would to purchase an entirely new pump.
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I need a new 2500-3000 psi pump to replace my existing. I have a 5 hp honda engine and need to know what details you need to size the correct replacement pump.
Dave Moeller 
from Indiana 
March 27, 2011
Answer
This particular pump will definitely mount up to a Honda engine flange with no problem. One thing you have to confirm on your end is the engine shaft size. This pump has a 3/4" shaft and would only fit engines with a 3/4" shaft too. More than likely your engine does have a 3/4" shaft but there are also 7/8" and 1" shafts on engines made so it is always best to verify before you make the purchase.

Also, this is a horizontal mounted pump and cannot be used in vertical applications.
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AR 3000 PSI 2.5 GPM 3/4" Hollow Shaft Replacement Pressure Washer Pump w/ Unloader
AR RMV25G30D
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