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I have a 769D. SN. BBB0756. The engine quit running. I
Hello sir. I have a 769D. SN. BBB0756. The engine quit running. I diagnososed a weak transfer pump. Machine starts and run about 8 minutes and quits. If I wait awhile it will restart and quit again. I… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,336 satisfied customers
Blow by carries engine oil to intake new overhaul. 262b sn
took hose off intake lot of oil came out we been working on tractors for 40 yrs … read more
Wayne
Wayne
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I have a Caterpillar 320dl excavator it will start but is
Good afternoon. I have a Caterpillar 320dl excavator it will start but is missing. The only information from the machine is check fuel filter light comes on now and then. The primer pump is not tight … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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Ng fuel to the secondary fuel filter. I'll walk back down to
ok I'll walk back down to my hoe and get back at u … read more
Curtis B.
Curtis B.
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Associate Degree
44,507 satisfied customers
2007 C9 Cat 335 HP in a Sterling truck. I guess i will ask
2007 C9 Cat 335 HP in a Sterling truck. I guess i will ask the question first and then go into detail. Have you ever seen a issue with the HEUI pump driving the transfer pump drive shaft. Short versio… read more
james Roberts
james Roberts
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Vocational, Technical or Trade School
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Cat aster, My Cat 318D (W8R05048) Is having intermittent
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catmastertech
catmastertech
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No high pressure with fuel only low pressure to the injector
Second opinion] no high pressure with fuel only low pressure to the injector lines on top of motor. will not start … read more
Daniel Wilson
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I have a 2008 CAT C7 Acert issue on a school bus. We had
I have a 2008 CAT C7 Acert issue on a school bus. We had replaced the high pressure fuel pump due to a failed pump test. We install a know good condition used pump, but now when bus is running and try… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 262b cat skid steer that I have changed the fuel
I have a 262b cat skid steer that I have changed the fuel filter but it is still cutting out or losing power also I get diesel fumes inside the cab when it cuts out … read more
Curtis B.
Curtis B.
Technician
Associate Degree
44,507 satisfied customers
I have an e model cat wouldn't start without either only
Second opinion] I have an e model cat wouldn't start without either only 200000 on overhaul put new injectors in started had full power lasted about 6 months doing same thing changed crank sensor inje… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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I need wiring schematics for a cat 262b skid steer. Cat 262b
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Daniel Wilson
Daniel Wilson
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I have a Caterpillar 320D excavator that died and will not
I have a Caterpillar 320D excavator that died and will not restart. Will not start on rather. … read more
catmastertech
catmastertech
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I have a 2004 Cat 420D, 3800hr that will not start. quit
I have a 2004 Cat 420D, 3800hr that will not start. quit while working. Sounded like fuel starved, replaced fuel filter. Produced some fuel at bleed screw, none at fuel pump to injector lines. Could i… read more
Bradley Martin
Bradley Martin
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Cat Man Here Cat 321d sn# PNAS002977 it has a C6.4 Its hard
Cat Man mark Here Cat 321d sn# ***** it has a C6.4 Its hard start most of the time when cold i found a bad eng speed sensor NOTE this unit is equipment a PRE LUBE SYS I installed new speed sencor its … read more
catmastertech
catmastertech
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I have a 2002 Cat D5G XL SN 00D5GTFDH00812. Saturday the machine sudd
I have a 2002 Cat D5G XL SN 00D5GTFDH00812. Saturday the machine suddenly lost RPM. Went to idle speed, sputtered for about 2 second, then died. I tried to restart and it would start for a couple of s… read more
Curtis B.
Curtis B.
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Associate Degree
44,507 satisfied customers
Dear Sir I recently bought an 86 viking with 3126 cats and
Dear Sir I recently bought an 86 viking with 3126 cats and have had black smoke problems with the engines for 2 years. port turbo has been replaced with both engines getting boiled after cooler done. … read more
Cat Man
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I have 3116 cat motor in tandem chev truck has been working
I have 3116 cat motor in tandem chev truck has been working well until I shut it of about 4 days ago. It cranks over good but will not fire, so have changed air filter and fuel filter by tank and also… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
578 satisfied customers
Help!!!!!! We have a cat 262b we are trying to change the
Help!!!!!! We have a cat 262b we are trying to change the fuel shut off solenoid. It seemed pretty straight forward but now not so easy. Do you have to remove the fuel injector pump in order to change… read more
catmastertech
catmastertech
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1,336 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

Technician

44,507 satisfied customers

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

Wayne

Wayne

Journeyman

1,478 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

300 satisfied customers

Road Mechanic for Volvo Construction Equipment.

Chris (aka- Moose)

Chris (aka- Moose)

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97 satisfied customers

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cumminsdr

cumminsdr

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70 satisfied customers

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Steve

Steve

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42 satisfied customers

Heavy Equipment Mechanic for 25 years

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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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