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Need to find out which wire is number 20 on a Komatsu
Need to find out which wire is number 20 on a Komatsu Dresser Dozer. Problem is dozer will not start. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,298 satisfied customers
Wayne sent the wrong manual. We need the electrical
Wayne sent the wrong manual. We need the electrical schematics from https://therepairmanual.com/komatsu/komatsu-dresser-td7h-td8h-td9h-dozer-service-manual/. Specifically wire #20 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,298 satisfied customers
Want to know how rebuild Komatsu D 155A3 Dozer steering
Want to know how rebuild Komatsu D 155A3 Dozer steering clutches? … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,459 satisfied customers
Daniel. Hope all is well on your side. Question please, my
Hi Daniel. Hope all is well on your side. Question please, my oil samples is stating bronze bush wear rates higher than normal... slight fuel dilution evident. This is for a caterpilar D7 dozer. Also … read more
Jeremy
Jeremy
Diesel Diagnostic Technician / Expert
Associate Degree
1,511 satisfied customers
Komatsu d37p when key is off charge light stays on. Do not
komatsu d37p when key is off charge light stays on … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,298 satisfied customers
On my 1986 Komatsu D31A Dozer I want to replace the
On my 1986 Komatsu D31A Dozer I want to replace the batteries. Does it take 2 ea. 12volt batteries and how do I connect up? Thank you much> … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,298 satisfied customers
Does your advice cost money? Am not exactly sure but is most
Am not exactly sure but is most likely a d21 komatsu crawler … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,459 satisfied customers
I have a Komatsu 375A-6 Dozer. 15,000 hours on the clock. We
I have a Komatsu 375A-6 Dozer. 15,000 hours on the clock. We have recently changed the engine but we are having persistent oil cooler heating problems. What could be the cause? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,298 satisfied customers
Qsk23 in Komatsu 375-5 engine locks on start when warm
Qsk23 in Komatsu 375-5 engine locks on start when warm rattles blows white smoke but my main problemi is fuel us. History bough dozer 2011 with 3500 hr. At 4000 hr operator commented on hard start whe… read more
DR.Cummins
DR.Cummins
Field Service
High School or GED
2,390 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
14,459 satisfied customers
I have a CAT 955L serial num 85J9384. I ran it sideways on
I have a CAT 955L serial num 85J9384. I ran it sideways on an incline with low oil. Oil pressure went to zero and engine stopped. I added oil and engine started again and runs... Now has a tap sound (… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,324 satisfied customers
I have a 1999 fiat fd145 dozer. The original starter was stolen
I have a 1999 fiat fd145 dozer. The original starter was stolen off machine. I've ordered 2 new ones and they both have spun the gear off the shaft. Not sure if it's the right starter I'm getting or i… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a komatsu d65 ex 15 ser.. 67019 engine over heating..
I have a komatsu d65 ex 15 ser.. 67019 engine over heating.. In 85 degrees. .. fluids good.. rad clean. New water pump and thermostat... i entered the computer and entered 1005 for 100 % fan speed.. i… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,459 satisfied customers
I HAVE A KOMATSU D61PX-12 DOZER S/N B3069. I had a operator
I HAVE A KOMATSU D61PX-12 DOZER S/N B3069. I had a operator blow the engine. Unfortunately not only is is in the way where it sets but i need to get this to the shop. Is there a way to release the ser… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,459 satisfied customers
Hey Dan have question about crank shaft in my c16 the main
Hey Dan have question about crank shaft in my c16 the main bearings are real bad and there saying it needs new crank now and if I don't I can't get warranty . they say crank can't be Emory clothed out… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
14,459 satisfied customers
My JD450 Dozer (1975 era) has spun the main bearings, etc. (Metal
My JD450 Dozer (1975 era) has spun the main bearings, etc. (Metal in oil pan and filter -- changed oil, same thing, etc,) Verified by a mechanic(s) Engine runs, but can't build up oil pressure, etc., … read more
Curtis B.
Curtis B.
Technician
Associate Degree
2,324 satisfied customers
I could sure use some assistance. I have a mid 80's D40p-6
Hi I could sure use some assistance. I have a mid 80's D40p-6 Japanese import dozer. It has a "DD" type mechanical transmission. The problem is the forward/reverse leaver is falling out of engagement.… read more
Expert
Expert
I am the unexpected owner of a Komatsu dozer, motor 6D95L.
I am the unexpected owner of a Komatsu dozer, motor 6D95L. Under the seat there are 3 dipsticks. I believe the center one is for hydraulic fluid, but not sure what the other two are for - they look th… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,298 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

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

Wayne

Wayne

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

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Cat Man

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dieseldan55

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Chris (aka- Moose)

Chris (aka- Moose)

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Steve

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Heavy Equipment Mechanic for 25 years

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JBFixxer

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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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