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I have a D21p-7 komatsu dozer. Serial number 76087. I just
I have a D21p-7 komatsu dozer. Serial number 76087. I just bought the machine and the right tracks only have enough power to go straight back and straight forward. When I push the left brake the right… read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
15,135 satisfied customers
I blew a hydraulic hose for the on a D 39EX komatsu dozer
I blew a hydraulic hose for the rippers on a D 39EX komatsu dozer ended up changing 2 of them put the new hoses on and the whole hydraulic system shut down I can't even move the machine forward or bac… read more
Heavy Equipment Tech
Heavy Equipment Tech
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The throttle on my Komatsu D39 Px (yr 2006)is getting very
The throttle on my Komatsu D39 Px (yr 2006)is getting very difficult to move . Am I missing some kind of lube point? … read more
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Vocational, Technical or Trade Scho
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Need a complete manual control for komatsu dozer model
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D-37-2 KOMATSU DOZER ANGLE IS TO ONE SIDE AND WON'T COME
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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
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I have a Komatsu D41S-3 (1986) The steering pedals are
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LOOKING TO PURCHASE A DOZER FROM SOMEONE I KNOW BUT THE
LOOKING TO PURCHASE A DOZER FROM SOMEONE I KNOW BUT THE PROBLEM IS THAT ITS MIXING THE FUEL WITH THE OIL. IS THAT AN EXPESIVE FIX … read more
Curtis B.
Curtis B.
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I am trying to get the steering clutch drum out of my D20P-6
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Dan
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I have an SVL 75-2 with a 14 pin electrical connector. I
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On my 1986 Komatsu D31A Dozer I want to replace the
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Wayne
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I have a 2007 Komatsu d39 px dozer. My dozer is not moving
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Dan
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Have a Deere 450E longtrack that tipped on its side and
Have a John Deere 450E longtrack that tipped on its side and everything works fine but when you pull on the right brake lever the machine stops until you let go of the lever. Left side and everything … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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Does 2011 d65e -17 dozers have engine kill if rolled over.
Does 2011 d65e -17 dozers have engine kill if rolled over … read more
Curtis B.
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Got a 2000 d38p komatsu dozer they are telling me its a
got a 2000 d38p komatsu dozer they are telling me its a dresser model my problem is its putting a lot of transmission oil in bell housing … read more
Dan
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Auto Mechanics 1&2/diesel mech
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I have a Komatsu D39PX-21 dozer. It barely moves going
I have a Komatsu D39PX-21 dozer. It barely moves going forward, but goes really fast in reverse. Any ideas on what the problem may be and what I need to check?… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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I have a 1989 Komatsu D37P-2 Dozer with a 85 horsepower
I have a 1989 Komatsu D37P-2 Dozer with a 85 horsepower motor. I have spun the #2 rod bearing and I'm taking crankshaft to shop. I was wondering how much a new crankshaft will cost if I have to buy a … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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Dieseldan55'sI have problem with Komatsu D155AX-5 Dozer(bulldo
HICustomers I have problem with Komatsu D155AX-5 Dozer(bulldozer). The lever can't change in F2, F3 and R1, R2. It only moves to F1 and N1 and R1. There is code CALL E03 on the monitor panel. We have … read more
dieseldan55
dieseldan55
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Meet the Experts:

Curtis B.

Curtis B.

Technician

2,324 satisfied customers

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

Wayne

Wayne

Journeyman

1,298 satisfied customers

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

Cat Man

Cat Man

Cat Engine Expert

578 satisfied customers

I am ASE Master Certified.

dieseldan55

dieseldan55

Mechanic

299 satisfied customers

Road Mechanic for Volvo Construction Equipment.

Chris (aka- Moose)

Chris (aka- Moose)

Technician

85 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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