Agriculture and Farm Equipment

Agriculture and farm Equipment repair questions? Ask a mechanic.

Ask an Expert,
Get an Answer ASAP!

This answer was rated:

How to destroke hydraulic pump on deere 4440. Oky doky.

How to destroke hydraulic...

How to destroke hydraulic pump on john deere 4440

Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Equipment Mechanic I'm going to connect you with knows all the tricks and shortcuts.

Oky doky.

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Yes, fixing myself. i have j.d fittings in hand. which fitting on pump do i tap into?

Mechanic's Assistant: Anything else you want the agriculture mechanic to know before I connect you?

We bought tractor new in 1981. this is first time ever to loose hyd. yes oil & filter are good shape.

Show More
Show Less
Ask Your Own Agriculture and Farm Equipment Question
Answered in 2 hours by:
3/8/2018
Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 31,470
Experience: Technican turned service manager on multiple lines of equipment and rental equipment.
Verified

Hi, let's see if we can work together to get to the root of your problem! will try my best to help!

Ask Your Own Agriculture and Farm Equipment Question

# 6 in the link below is the de-stroke screw,

Ask Your Own Agriculture and Farm Equipment Question
Ask Your Own Agriculture and Farm Equipment Question
Ask Your Own Agriculture and Farm Equipment Question

I see the question is still open, did you find the problem?

Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 31,470
Experience: Technican turned service manager on multiple lines of equipment and rental equipment.
Verified
Curtis B. and 87 other Agriculture and Farm Equipment Specialists are ready to help you
Ask your own question now
Phone call session started

Thanks!

Ask Your Own Agriculture and Farm Equipment Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Curtis B. Your Own Question
Curtis B.
Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 31,470
31,470 Satisfied Customers
Experience: Technican turned service manager on multiple lines of equipment and rental equipment.

Curtis B. is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Curtis B.

Curtis B.

Technician

31,470 satisfied customers

Technican turned service manager on multiple lines of equipment and rental equipment.

Wayne

Wayne

Journeyman

1,278 satisfied customers

34 + years as a mechanic

dieseldan55

dieseldan55

Mechanic

42 satisfied customers

Road mechanic for Volvo Construction Equipment.

Cat Man

Cat Man

Cat Engine Expert

36 satisfied customers

I am ASE Master Certified.

MowerDocMD

MowerDocMD

Technician

33 satisfied customers

Own LaGrange Small Engine Repairing farm tractors and equipment

Chris (aka-Moose)

Chris (aka-Moose)

Technician

22 satisfied customers

16 years of experience

JBFixxer

JBFixxer

Mechanic

20 satisfied customers

16+ years experience, hydraulics,hydrostatics, engines, fuel injection systems. And everything in between.

< Previous | Next >

Related Agriculture and Farm Equipment Questions
I have a deer 4440 that has hydraulic issues. A neighbor
I have a John deer 4440 that has hydraulic issues. A neighbor poured some water in the system on accident a few weeks ago. I have drained the system and changed the filters 2 times. The oil is still a… read more
Dan
Dan
Auto Mechanics 1&2/diesel mech
11 satisfied customers
I have a 2555 Deere which I bought knowing it had a
I have a 2555 John Deere which I bought knowing it had a hydraulic issue. The loader is quite jerky and irrattic. Is there a lift pump sending oil to the pump on the front of the tractor? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
31,470 satisfied customers
I have a 4440 deere with no hydraulic pressure at all.
I have a 4440 john deere with no hydraulic pressure at all … read more
Curtis B.
Curtis B.
Technician
Associate Degree
31,470 satisfied customers
I have an Deere 7720 Titan 2. It's been standing while. When
I have an John Deere 7720 Titan 2. It's been standing for a while. When I got it going this year everything works but there are bubbles forming in the hydraulic oil tank. I replaced the oil and the fi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,278 satisfied customers
I have a 4440 and no rear hydraulic or really really slow. I
I have a 4440 and no rear hydraulic or really really slow. I have changed flilter, hyd oil and cleaned the screen. I have repaired the pressure valve. What do I do next? Steering brakes pto hyd seat a… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
I have a john deere 4440 with hydraulic issues, remotes and rockshaft
I have a john deere 4440 with hydraulic issues, remotes and rockshaft aren't functioning at all, power steering is tight when sitting but works when tractor is in motion. pressure tested at the pressu… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
The 1978 John Deere 4440 will not raise the planter or disc.
The 1978 John Deere 4440 will not raise the planter or disc. 1. Have changed filter 2. Blown out to clean tractor 3. Tried connecting both sides 3-point hitch will not work either Changed cylinders al… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
I have a John Deere 2520 row crop tractor. I have been working
I have a John Deere 2520 row crop tractor. I have been working the bucket loader off the rear remotes for a long time and have had less and less pressure. I have read that I probably ruined the transm… read more
Curtis B.
Curtis B.
Technician
Associate Degree
31,470 satisfied customers
I have a older john deer 4320 tractor, there is no oil pressure
I have a older john deer 4320 tractor, there is no oil pressure at the rear hydraulic remotes but the power steering and the pto works, any thoughts on what could be wrong… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
hello ebnel, this is mark from fays repair. I am working on
hello ebnel, this is mark from fays repair. I am working on a john deere 4640 powershift do you have experience with these tractors… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
WHERE IS THE SCREEN ON THE HYDRAULIC PUMP LOCATED ( JOHNDEERE
WHERE IS THE SCREEN ON THE HYDRAULIC PUMP LOCATED ( JOHNDEERE 6300)? ALSO DOES CARQUEST PREMIUM TRACTOR HYDRAULIC FLUID MEET JOHN DEERE SPECS?… read more
Curtis B.
Curtis B.
Technician
Associate Degree
31,470 satisfied customers
I have a John Deere tractor model 3650 . The main hydraulic
I have a John Deere tractor model 3650 . The main hydraulic pump at the front of the tractor failed . lost all hydraulic functions and steering pump had internal failure . Fitted new hydraulic pump an… read more
Dan
Dan
Auto Mechanics 1&2/diesel mech
11 satisfied customers
I have a jd 4440 power shift. I changed the rock shaft and
I have a jd 4440 power shift. I changed the rock shaft and seals now the hydraulics Don't work… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
I have a 1981 John Deere 8640 tractor. When the tractor sits
I have a 1981 John Deere 8640 tractor. When the tractor sits for a day, it starts really hard. If I hand prime it, it starts right up. I have changed the lift pump on the injection pump, the check val… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
hello Kevin, this is Aaron in Kansas. having hydraulic issues
hello Kevin, this is Aaron in Kansas. having hydraulic issues with my 4230. was swathing hay and all the sudden could not lift or swing swather, and tractor steering got hard to turn, 3-point wont lif… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
I have a 2840 john deere tractor and after a few hours of operation
I have a 2840 john deere tractor and after a few hours of operation when the outside temp. is obove 90 deg. the hydraulic pressure control valve will stick. Also, I hear the PCV start chattering at ti… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
I have a john deere 5020 that I have not run in 6 years. The
I have a john deere 5020 that I have not run in 6 years. The hydrolics do not work so I cannot lift my plow. Any suggestions?… read more
Kevin
Kevin
2 years John Deere Tech school
233 satisfied customers
I asked this question before & no answer. I have 6300L john
I asked this question before & no answer. I have 6300L john deere & i lost all of my hydraulics at the same time. I was tilling & i lost my steering---then 3 point would not raise-- I then shut tiller… read more
Curtis B.
Curtis B.
Technician
Associate Degree
31,470 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x