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I have a 2005 CAT 287B. I lowered the lift arms while the
I have a 2005 CAT 287B. I lowered the lift arms while the red safety bar was up and now I have hydraulic oil leaking out of the right lift cylinder. I looked at the disassembly manual and I'm consider… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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Have an older Cat D7E, motor is a D339, SN 48A7xxx. What are
Have an older Cat D7E, motor is a D339, SN 48A7xxx. What are the torque specs for tightening the cylinder heads and the sequence of tightening the bolts? … read more
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Mike Mcmillan
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My D7E is over accelerating, and the peddle is not doing
My D7E is over accelerating, and the peddle is not doing anything. The cat guy came out last week because it wouldn't accelerate at alll and said a plunger was stuck and that seems to fix the problem … read more
catmastertech
catmastertech
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1989 Bobcat 743 skidsteer just shut down while running and
1989 Bobcat 743 skidsteer just shut down while running and would not crank back up. Just turns over and won't start. Was filled with fuel, I replaced the fuel pump and fuel seems to be getting to the … read more
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1980 - ish cat 950 loader runs, lifts arms ect, steers, but
1980 - ish cat 950 loader runs, lifts arms ect, steers, but does not drive. … read more
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My 404c22 dies out when lifting load in bucket. Jcb 208s,
It got hot for starters when i repaired the hose and refilled antifreeze it continued to run fine until i tried to lift heavy load. So i found aseepage around head i replaced head gasket which fixed the over heating but it still loses power when lifting a heavy load … read more
Curtis B.
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I have an old cat t35d, It will not lift the fork without
I have an old cat t35d, It will not lift the fork without revving up the engine quit a bit, but even then it will only lift a little bit, we sent the pump out to Innotek for rebuilding and till does t… read more
Curtis B.
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Cat 120B excavator. Works great until the oil gets warmed up
Cat 120B excavator. Works great until the oil gets warmed up in an hour or so then can't control the boom lift and the stick extension. Will continue after joystick return to nuetral to full cylinder … read more
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Daniel Wilson
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I have 966c cat loader. Its the loader model style like late
Hello, i have 966c cat loader. Its the loader model style like late 60s or early 70s i believe. My problem is that the loader will not lift at all. I can still tilt no problem but it will not lift the… read more
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I have a 210 loader it is slow to lift & lacks power I have
I have a 210 loader it is slow to lift & lacks power I have rebuilt all lift cylinders, they were pretty bad. still the problem exists, i'm not sure if it's the spool valve or maybe a filter. please h… read more
Curtis B.
Curtis B.
Technician
Associate Degree
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I have a cat skidd steer 277b sn# MDH00744 trying to figure
Hi I have a cat skidd steer 277b sn# ***** trying to figure out how to drain the hydraulic oil so I can change it… read more
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I have a 416 that the lift cylinders only lift slowly and with
I have a 416 that the lift cylinders only lift slowly and with no power - have changed packings in both cylinder but same results… read more
catmastertech
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I am trying to find out what hydraulic oil goes into a Cat
I am trying to find out what hydraulic oil goes into a Cat 950 loader from about 1972. Serial number is ***** Transmission oil is separate.… read more
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I have a 1966 CAT D7E. I had replaced the heads because they
I have a 1966 CAT D7E. I had replaced the heads because they were cracked around the injector cups on both heads. I ran it for 2 days and cracked the new ones in the same place. What would be causing … read more
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Hi. I recently purchased a late 90's D5C dozer with a
Hi. I recently purchased a late 90's D5C dozer with a blown motor ( appears to have thrown a rod). It is equipped with a 3046 turbo diesel which is rated at 95 fwhp. A little hunting around on the net… read more
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I need torque on connecting rods and cylinder head for Volvo
I need torque on connecting rods and cylinder head for Volvo D7E-EAE3 diesel engine on a EC290BLC excavator… read more
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Hi I have a cat 426b backhoe ,everything operatates good and
Hi I have a cat 426b backhoe ,everything operatates good and has plenty of power But when I put a load in the loader it won't pick up. It will curl up fine but wont pick up ... Thanks… read more
Curtis B.
Curtis B.
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How do I get the air out of the hydraulic system on a Case
How do I get the air out of the hydraulic system on a Case 1737 gas uniloader? We replaced the gears in the hydraulic pump. The bucket cylinders are working fine but the boom lift goes up just a few i… read more
catmastertech
catmastertech
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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

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Cat Man

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dieseldan55

dieseldan55

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Chris (aka- Moose)

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44 satisfied customers

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Steve

Steve

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Heavy Equipment Mechanic for 25 years

JBFixxer

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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