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I have a 3 cylinder kubota motor. Put new head and valves
i have a 3 cylinder kubota motor. Put new head and valves on. Won't start, it has fuel, blows out black smoke. Won't start on starting fluid just cracks, won't start. Also not off its timing. Can you … read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,508 satisfied customers
I have a Bobcat 773 turbo with kubota V2003 turbo motor.
I have a Bobcat 773 turbo with kubota V2003 turbo motor. Just replaced head as the old one cracked. Put new cylinder head on and it runs, but seems to blow way more black smoke under load than it did … read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,508 satisfied customers
Kubota K008-3 with D722 engine. I believe it's 10.2HP as far
Kubota K008-3 with D722 engine. I believe it's 10.2HP as far as I can tell from google searches. I'm fairly certain it's a 2008 model. I purchased the item at auction and the auctioneer confirmed it w… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,508 satisfied customers
I have a 2006 420d cat backhoe. I WAS RUNNING IT STARTED
I WAS RUNNING IT STARTED BLOWING SMOKE AND WAS RUNNING BAD LIKE IT WAS RUNNING OUT OF FUEL I SHUT IT DOWN NOTICED THAT THE THE FUEL SEPARATOR TWIST NUT Was missing so put nut back on now it sounds like the fuel pump won't come on and all the gauges on the dash are not working … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,065 satisfied customers
I have a bobcat s185 with 5500 hrs. It started losing power
I have a bobcat s185 with 5500 hrs. It started losing power when cold then it would be fine when warmed up. But today it loses power when warm and also blows blue smoke when under stress. I work it ev… read more
Fieldtech59
Fieldtech59
376 satisfied customers
Kubota l5030, smokes, labor knocks, and no power. sometimes
Kubota l5030, smokes, labor knocks, and no power. sometimes runs fine then does this but getting worse… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,508 satisfied customers
I have an Allmand TLB25D with a Kubota D1105E engine. It
I have an Allmand TLB25D with a Kubota D1105E engine. It won't run. Stand by for details. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,508 satisfied customers
I have a new Holland LS 170 skid steer it won't start I have
I have a new Holland LS 170 skid steer it won't start I have changed the injector solenoid now it blows out black smoke while trying to start. it is getting fuel and oil is up to level, filters are al… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,508 satisfied customers
I have a 2011 john deere 310j backhoe loader and it is blowing
i have a 2011 john deere 310j backhoe loader and it is blowing black smoke can you tell me the problem, as all air breathers are clean… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
My case 1835 starts blowing white smoke and loses power after
My case 1835 starts blowing white smoke and loses power after 20-30 min, or quicker if doing heavy lifting/work Let it sit for a minute then white smoke goes away and it's back to normal power Happens… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
I have a Terex pt30, its dying out losing power like its starving
I have a Terex pt30, its dying out losing power like its starving for fuel. It will run good for a while then just start losing power or rpm's will drop. As soon as you stop operating it will gain its… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,065 satisfied customers
Kubota tractor. 4 cylinder Perkins. Turned off and then it
Kubota tractor. 4 cylinder Perkins. Turned off and then it won't start back. Motor turns over fine but won't fire. Checked all fuel problems. Has fuel to injectors. no fire and no smoke. Tried a littl… read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,508 satisfied customers
I have a 96 12 valve cummins it's blowing a steady bluish smoke
I have a 96 12 valve cummins it's blowing a steady bluish smoke constantly bun when I spool it up it's just more and more bluish smoke, but when I let it idle and just give it a quick shot of fuel it … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
I have a kubota mini excavator. It had over heating problems
I have a kubota mini excavator. It had over heating problems in the past. Now it starts, blows white smoke and loses power when engaged. I've changed the thermostat and solved the over heating but sti… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
1,024 satisfied customers
Hi... I have a CAT C9 engine powering a sandvik QJ341 jaw
Hi... I have a CAT C9 engine powering a sandvik QJ341 jaw crusher. Recently it won't start up in the morning or after engine has cooled down easily. Keeps going off when started until after about 10 t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I HAVE A HYUNDAI 130 EXCAVATOR I JUST BOUGHT AND ITS BLOWING
I HAVE A HYUNDAI 130 EXCAVATOR I JUST BOUGHT AND ITS BLOWING BLACK SMOKE WHEN TRACKING SEEMS TO BE DOWN IN POWER OS I TUCK OUT THE INJECTORS OUT ITS A CUMMINS 4BTA 3.9L ENGINE RIPPED THEM UP AND CLEAN… read more
DR.Cummins
DR.Cummins
Field Service
High School or GED
2,386 satisfied customers
my 2001 js 130 with 6500 hrs has started losing power when
my 2001 js 130 with 6500 hrs has started losing power when put under load and gets worse the hotter the machine gets notices most when digging and crowding bucket. what should i be checking first plea… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

Technician

39,508 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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