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I just bought a 1987 D3B cat dozer, it seems to have a fuel
I just bought a 1987 D3B cat dozer, it seems to have a fuel problem, it will slow down and quit running. I drained the tank for any water, replaced the fuel filter. Is there more than one fuel filter?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
My d6h cat loses power after 20:minutes. Idle it for a few
My d6h cat loses power after 20:minutes. Idle it for a few minutes and it will power back up for a much shorter time. I have replaced the air filters, and both fuel filters. Today I took the line loos… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
I don't have any blade hydraulic function. It steers as is
I don't have any blade hydraulic function. It steers as is should, or at least I think so. When dozer is cold the blade will barely raise up and doesn't have any functions beyond that. I let blade dow… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,380 satisfied customers
What is the most common problem setting ca2249 on pc460. Not
What is the most common problem setting ca2249 on pc460 … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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I HAVE A PROBLEM WITH THE KOMATSU HD 465 EQUIPMENT, THE
GOOD AFTERNOON; I HAVE A PROBLEM WITH THE KOMATSU HD 465 EQUIPMENT, THE FAILURE VIEWER MAKES THE FAILURE CA559 ENG AND THE FAILURE CA 2249 ENG. THE FUEL FILTERS AND THE PERSIST PROBLEM WERE CHANGED… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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My 1987 Komatsu D31-E-17 loses power after running 20
my 1987 Komatsu D31-E-17 loses power after running 20 minutes. Does shut down but goes to a rough idle. … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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I have a 2005 D5G caterpillar bulldozer. It has started
I have a 2005 D5G caterpillar bulldozer. It has started surging while operating. Runs ok for a few minutes, then loses power. Then after a minute or two it powers back up. Had similar issue a few year… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
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I have a komatsu d20p that has high rpm problem. engine
i have a komatsu d20p that has high rpm problem. engine sounds like a miss and pours out smoke … read more
Fieldtech59
Fieldtech59
368 satisfied customers
My its a komatsu 200 pc. Ive tried to fix it myself. It
It kranks and runs but only for about 10 minutes then shuts off and throws a E 15 error code and for some reason loses fuel prime… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,380 satisfied customers
Vin 7c60553. The error code is E15 CA559 and E11 CA2249. The
Hi my name is*****: What is the complete model and serial number of your machine? Customer: vin 7c60553 … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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450c deere dozer has 2 new pencil rod injectors ,no1 and
450c john deere dozer has 2 new pencil rod injectors ,no1 and no.4 ,motor runs great for about 20 minutes ,than it starts losing power ,revs up and down ,cleaned gas tank and every line leading to die… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,921 satisfied customers
I have a problem with a cat 315c, engine 346t. When the
I have a problem with a cat 315c, engine 346t. When the machine start workIng there is no issue, but after a few hours, the speed go down and not speed up anymore until i turn off the engine and whait… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
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
11,380 satisfied customers
I have a pc78-6us sometimes while running machine it will
i have a pc78-6us sometimes while running machine it will bog down and shut off at full throttle. you shut the key off and it starts right back up. i have checked the fuel shut off and that is functio… read more
Fieldtech59
Fieldtech59
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I just purchased a used cat 236 skid loader it was fine firs
I just purchased a used cat 236 B skid loader it was fine for the first couple hours of use but now after about 30 to 45 minutes of hard operating it kicks down the throttle so that it takes away more… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
I have a 320 C L Excuvator when you put a load on the hydraulics
I have a 320 C L Excuvator when you put a load on the hydraulics down it powers down to the point that it kills the engine mainly with the boom in or out control not the bucket how do I fix this probl… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
I am calculating the maintenance time for a fleet of Komatsu
I am calculating the maintenance time for a fleet of Komatsu equipment which are going to be used in a Iron Ore mine: KAC830E-AC, PC 4000, WD900, WA 1200 D475A, particularly for lubrication. I did it … read more
Wayne
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Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
I have a 2006 link belt 330 lx. It keeps losing power and bogging
I have a 2006 link belt 330 lx. It keeps losing power and bogging out and stalling. While it is skipping it blows out sports of black smoke. Start it up it's fine for a few mins and does it again. We … read more
dieseldan55
dieseldan55
Mechanic
Vocational, Technical or Trade Scho
294 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)

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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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