Leroi Dresser Service & Repair Forum

I am looking for the specifications of what appears to be a LeROI Dresser Rotary Screw Pump. The housing has the following stampings:Mfg: A219-84-3Serial No: 4154X110The best information I have been able to find is the original vendor was Gardner Denver but teh actual Rotary Screw Pump OEM is LeRoi DresserThe MFG Number appears to relate to: LeROI Part: D450-490SS

— Posted by Thomas Belesky on 2010-11-05

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If you need your Leroi Dresser unit tested or repaired,
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 178 Comments

#Leroi Dresser by Alan Levin on 2013-12-11 16:19
Has oil, new filters?
#Leroi Dresser by RICKY PESEK on 2008-06-17 07:52
Can anyone please help with instruction book for the above compressor
#Leroi Dresser by Allister Davis on 2010-02-15 12:03
We have a customer with a Dresser compressor, model # 880A, ser# 4020x402. If this is your model please provide a parts breakdown & advise if you have a distributor in Canada.RegardsAllister
#Leroi Dresser by gus ibanez on 2011-05-03 18:49
i needs parts for a leroi air compressor model # tru-5 two stage please reply as soon as you can please. thank you
#Leroi Dresser by BRAD WILSON on 2012-03-14 14:57
DO YOU HAVE THE SPEC\'S ON A 660A. THX
#Leroi Dresser by Rajagopal Mahesh on 2010-02-16 13:51
Dear Sir,i am R.MAHESH,from CAEL,Doha,Qatar. i wants to do the 6 number of BOG compressor has to do the alignments and tuning at RASGAS,Qatar.Whom i will contact?pls let me know? i need your kind advise.i hopw that you may consider my request and do the needful,thanks & regardsRajagopal MaheshSr.Pro…...
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#Leroi Dresser by Paul Woodworth on 2010-11-13 21:08
Hello sir: I am trying to wire up a 10 hp Leroi comperessor model 660A. I need a wireing deogram for the 3ph pressure unloader switch. Do you wire it to the pressure switch? Drop me a line monday if you can. Also is there a parts book on the compressor . Paul
#Leroi Dresser by Tim Wolfe on 2011-01-14 22:29
Need a manual for this compressor and need to know what size motor should be on it. Serial number 40052X4064 Thanks
#Leroi Dresser by Terry Thompson on 2009-06-08 23:21
Dear Sir,We have the above Air Compressor Model Number-Q1500DC in our possesion and are performing a basic service...I noticed on the coolant manifold a broken coolant temp shutdown sensor...leading to the Positive Air Shutoff Solenoid. Are you able to give me any info on where I can pick up this se…...
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#Leroi Dresser by Mr. Mya Than Soe on 2008-10-29 03:45
Dear Sir,Have a nice day!I am Mr. Mya Than Soe, Senior Manager fo WIN ENGINEERING CO., LTD. We WIN ENGINEERING is major trading in Myanmar.I would like to request the quotaiton for Dressor Leroi Air Compressor under mentioned.Dressor Leroi Air Compressor UnitModel – 880 ABare Pump (Without Motor and…...
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#Leroi Dresser by David Siiss on 2009-12-10 11:57
Does anyone know where I can purchase a manual for a LeRoi W75SS compressor?
#Leroi Dresser by reza on 2012-08-07 10:27
would you please send me commissioning manual for reciprocating gas compressor type 4E3+balance line with turbine drive and high speed gear.beast regardsreza ahmadi
We want to know if we can convert a leroi rotary compressor mod 20-25-30 SS to a vacuum rotary screw and what it needs to convert ,what does it takes and how much it costs to convert if its posible ,thanks in advance for your precious help. greetings from Mexico .
What is the CFM of Le Roy dresserModel 256 S2Sérial 462X789Thank,Sylvain
#Leroi Dresser by Bob Hollingsworth on 2020-02-19 02:55
need a fiber coupler disk for my 175 SDE compressor with the deutz diesel engine or a book with the part numberThanks
#Leroi Dresser by NORM G. BLAIS on 2008-05-12 01:51
I HAVE THIS MODEL WHICH IS IN GOOD CONDITION,BUT BY MOVING IT TO OUR NEW LOCATION THE COPPER LINES LEAVING BOTH HEADS TO THE END COVER AT THE CRANK WERE RIPPED OFF ,SO MUST THEY BE RECONNECTED AND WHAT DO THEY DO AND WERE DO YHEY GO.IS THERE ANY WAY YOU COULD HELP ME BY SENDING ME A MANUAL OR A SHEE…...
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#Leroi Dresser by ken fowler on 2017-06-14 23:27
Unloader valve working MOST of the time, but one failure almost started a fire. Would like advice on how to determine what's wrong. Disassembled, cleaned and reassembled. Found nothing suspicious. Still doesn't unload each time as it should. Parts estimate please.
#Leroi Dresser by Gonzalo Arancibia on 2017-03-09 17:07
i m looking for a spare parts catalog leroi 185 cfm
#Leroi Dresser by Jerry Seltz on 2011-01-20 19:48
What is the control voltage for this compressor
#Leroi Dresser by Brett Nelson on 2010-10-17 19:23
have a model 75 RGI and have the 4 cyl fordwater in the oil now and it smokes been tryin to get it put back to working order for just blowing out sprinkling systems seems to be a money pit no one knows or has heard anything about this model please help.
#Leroi Dresser by Brad Milmine on 2013-01-29 16:34
I have a 5 hp. electric Dresser compressor and the centrifugal unloader is not operating. Is there an adjustment for this system. Any help with this would be appreciated. Thanks Brad
#Leroi Dresser by Bob Gaddis on 2006-12-15 14:06
I have a 1988 LeRoi compressor 185 cfm Perkins diesel that has a C.A.V. primary fuel filter located near the fuel tank. It has the secondary filter monted on the engine. The secondary filter uses a 33166 canister filter. The primary did not have a filter element in it, just a metal cone. Is this fil…...
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#Leroi Dresser by mark hatcher on 2010-11-19 15:29
Need a manual on a H375 Leroi mod.3138X264, serial#3138X264 compressor
I need a service station in my general area of Maryland
#Leroi Dresser by GARRETT HUTCHISON on 2009-01-20 23:15
I AM LOOKING FOR A MANUAL ON A LEROI DRESSER 3054X27 1500 CFM 100 PSI COMPRESSOR THANKS FOR YOUR HELP
#Leroi Dresser by Gabriel Leblond on 2010-03-16 00:06
Hi, i have a air compressor dresser serie 600 455x5732i want a pieces of maintenance : air filter, oil(type) strap i search informations of this type of compressor. Do you have this information ? If yes do you want give me ? Thank-u p.s excuse my english i\'m a french Canadian of Quebec.
#Leroi Dresser by abrahim on 2008-08-15 10:37
im looking for air compressor 440A.we have this model in our plant aan we need to buy new one.wuold you help please
#Leroi Dresser by Ivan Perez on 2009-09-28 17:58
I got a compressor leroi.Model 4A219-84-3Serial 4151X171And i need all manuals, Parts and operation.Tanks.
#Leroi Dresser by Steve Kekedy on 2011-06-01 15:44
Compressor won\'t build up pressure beyond 60 psi, new regulator set at 110psi. Compressor has been slowly declining and won\'t shut off
#Leroi Dresser by kip netser on 2010-03-09 15:09
i need flexable member, coupler for this unit
#Leroi Dresser by michael dixon on 2011-09-01 10:24
Hello, I am looking for a repair manual for a leroi 185 compressor
#Leroi Dresser by David Swaney on 2011-09-23 15:58
I have a LeRoi air compressor, serial # 3120x250. I found another # A219-89. Assembled @ Dresser Industries Inc. Sidney, Ohio. 62-48 I have a few issues with it. First issue is over heating. So I should probably install a new thermastat, but cant seem to find and purchase in my area. The second issu…...
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#Leroi Dresser by Whitney Teska on 2011-03-07 21:56
Looking for the instillation and service manual if anybody can help me out! Thanks much.
#Leroi Dresser by Carl Gibson on 2015-12-05 01:49
I purchased a used air compressor and i need to change the oil and i need to know what type of oil to use.
#Leroi Dresser by Frank Espino on 2010-01-18 20:42
Actually I have a Leroi compressor model CL 30 CUB and I need some parts for it but, I do not have the parts manual or the operation one.I would apreciate a lot if you can help me to get it.Thank you in avance.Frank Espino
#Leroi Dresser by Lee Burnett on 2010-12-01 14:16
Need upper end rebuild parts Series 800 LeRoi/Dresser air compressor Serial # 458X5251 20 H.P.
#Leroi Dresser by Lester Piniak on 2012-06-01 11:50
need a manual for a Dresser series 3000 ser. #4004x434
#Leroi Dresser by Thomas Belesky on 2010-11-05 21:08
I am looking for the specifications of what appears to be a LeROI Dresser Rotary Screw Pump. The housing has the following stampings:Mfg: A219-84-3Serial No: 4154X110The best information I have been able to find is the original vendor was Gardner Denver but teh actual Rotary Screw Pump OEM is LeRoi …...
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#Leroi Dresser by Trampas Crisp on 2011-01-19 21:16
have a 1985 leroi 185 portable air compressor need a manual or a diagram of air lines or a serial number for one of these machines it has a perkins engine the cab was gone can find serial # anywhere
#Leroi Dresser by steve on 2010-07-28 20:14
I am looking for the Model 20-25-30SS II Installation-Operation, Maintenance and Service Manual
#Leroi Dresser by Roberto G on 2011-11-22 18:35
buen dìa fueran tan amable de enviarme un manual de operacion y de partes de dos compresores marca Leroi.mod: B75 SS A69-694-1mod: 4A219-85-2
#Leroi Dresser by Chuck Bozas on 2008-04-01 00:56
I was looking for a rebuild kit for a Dresser Model 500 Air Compressor. It is from the early 1970\'s and has 5hp motor w/ 120-150 gallon tank. Please let me know if you can be of any further assistance. Chuck BozasParts SalesThe Craun-Liebing Company
#Leroi Dresser by jordan on 2011-11-28 03:59
I have an older Dresser series 5000 Compressor witha 5hp GE motor on it.I do not have the ability to hook up the 3 phase motor and so am wondering what hp gas engine I would need to power this unit?.Ive seen that it is difficult to find info on this series .It is just for home use and I got it for n…...
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#Leroi Dresser by Tom Parker on 2012-12-26 21:25
I have a 175D Portable compressor. Engine will not accelerate when there is a demand for air. Need help with troubleshooting and parts.Thanks Tom
#Leroi Dresser by Mitch on 2011-04-26 15:16
Looking for a brakedown , and specs on this compressor and parts availablity would be grake as well
#Leroi Dresser by johnny poe on 2009-10-14 15:34
please send or tell me where to find!!! tks. johnny por
#Leroi Dresser by Verlin Schurman on 2010-09-17 19:43
Model Q185DS/N 3449X50LLe ROI air compressor
#Leroi Dresser by Scott Wilson on 2008-11-15 03:04
I need a complete copy of the service manual and parts manual for thiscompressor. (I believe it was manufactured in 1982.)
#Leroi Dresser by marc on 2010-09-05 07:07
Model 85rgewSerial 2022x156
#Leroi Dresser by Norberto Portillo on 2011-12-12 00:45
I LOOKING FOR LE ROI 550A SERIAL NO 4017X2168 COMPRESSOR OPERATION INSTRUCTION PARTS MANUAL.

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