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I have a wb 140. all works fine and has power, but the is
I have a wb 140. all works fine and has power, but the hoe is slow and you can only do one movement at a time. what can I check or ujust … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
Komatsu wb140-2 serial numbeer a20455. Komatsu wb140-2
Komatsu wb140-2 serial numbeer a20455 JA: What is the complete model and serial number of your machine? Customer: Komatsu wb140-2 serial numbeer a20455 JA: Are you fixing this yourself? What have you … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
Case 580n parking brake will not disengage. Loader backhoe
yes and nothing yet. i just took over store and was informed it won't disengage … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,921 satisfied customers
I have drained the oil from my Komatsu WB140-2 backhoe to
I have drained the oil from my Komatsu WB140-2 backhoe to change the two filters. The bottom sucking filter was loaded with fibers. Then I started the machine to get the oil to circulate from the main… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
Komatsu model D31EX-21A Parking Brake won't release Error
Komatsu model D31EX-21A Parking Brake won't release Error Code Call E04 … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
I am looking for a layout of the controls for our new 2000
I am looking for a layout of the controls for our new 2000 Komatsu wb140-2 I ordered a operating manual but it won't be here till sometime next week. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
I too have a D7G, s/n 92V where the parking brake is stuck
I too have a D7G, s/n 92V where the parking brake is stuck on … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
I have a Massey Ferguson / New Holland model 600 backhoe I
I have a Massey Ferguson / New Holland model 600 backhoe I am told is from the 1980's (unconfirmed) that won't start. A mechanic replaced the two upper filters and I am told there is one other filter … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,921 satisfied customers
I am doing a reparation of a Caterpillar 428C Backhoe Loader
Hi, I am doing a reparation of a Caterpillar 428C Backhoe Loader 8RN00001-04088 but can't seem to find the parts manual to see the exploded view in order to find the parts to change. Could you help me… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,921 satisfied customers
I have a komatsu sk815 s/n 37bf00818 skid steer. It blew a
I have a komatsu sk815 s/n 37bf00818 skid steer. It blew a fuse for the park brake and would only run a couple seconds and shut off. and after replacing fuse, it now will run fine but will not release… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
I have a Cat 941 Traxcavator SN 80H983 that I can't get
I have a Cat 941 Traxcavator SN 80H983 that I can't get either steering clutch to engage. Can't steer tractor at all. What do I need to do to get these clutches to work. Worked fine when I brought it … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
I have a 1999 komatsu wb140 backhoe. The overall hydraulic
I have a 1999 komatsu wb140 backhoe. The overall hydraulic system's working pressure is 3,000 psi and max delivery is 43.6 gpm. I need to know the hydraulic flow rate in gallons per minute in the line… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
Komatsu WB140-2 #F110xx Backhoe Loader |=| Problem: Starter
Komatsu WB140-2 #F110xx Backhoe Loader |=| Problem: Starter won't turn over. |=| Background: When I short relay K01 (Starting Relay) pins 30 and 87, then it starts just fine using ignition key. The vo… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
I have a Komatsu WB140-2 backhoe. It has been working fine,
I have a Komatsu WB140-2 backhoe. It has been working fine, but now when I turn the key to start, it does not turn over the motor. The battery tests perfect, shifter is in neutral, drive lever is in n… read more
dieseldan55
dieseldan55
Mechanic
Vocational, Technical or Trade Scho
294 satisfied customers
Komatsu WB140-2 blowing 10amp fuse when you select reverse
Komatsu WB140-2 blowing 10amp fuse when you select reverse then it will not start but forward works fine.… read more
dieseldan55
dieseldan55
Mechanic
Vocational, Technical or Trade Scho
294 satisfied customers
I have a 410g john deere backhoe that the parking brake come
i have a 410g john deere backhoe that the parking brake come on moveing forword I have put new swich in and did do anything to help… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,921 satisfied customers
We have a fermec with a front loader and a backhoe. It is really
We have a fermec with a front loader and a backhoe. It is really old. The parking break chain broke and now the left rear tire brake is on and won't release. I need to move the tractor. How can I get … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
I have a 1999 komatsu backhoe wb140.It seems like the automatic
I have a 1999 komatsu backhoe wb140. It seems like the automatic clutch is slipping. Can it be adjusted or will it need to be repaired or replaced?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

Technician

1,921 satisfied customers

Technican turned service manager with multiple lines of equipment and rental units.

Wayne

Wayne

Journeyman

1,024 satisfied customers

worked on many road graders, Bull dozers , skid steers, Rollers

Cat Man

Cat Man

Cat Engine Expert

571 satisfied customers

I am ASE Master Certified.

dieseldan55

dieseldan55

Mechanic

294 satisfied customers

Road Mechanic for Volvo Construction Equipment.

Chris (aka- Moose)

Chris (aka- Moose)

Technician

44 satisfied customers

24 years of experience diagnosing & repairing

Steve

Steve

Mechanic

42 satisfied customers

Heavy Equipment Mechanic for 25 years

JBFixxer

JBFixxer

Mechanic

22 satisfied customers

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

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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.

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