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I have a 1975 D4D that quit steering to the right while in
I have a 1975 D4D that quit steering to the right while in use last week. The right pedal goes all the way down, and does not spring back up. I have had to turn the adjustment bolt in about 2-3 rounds… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
Ron from Valley Machanical. 450J XC. operator says brakes
hi.Ron from Valley Machanical. 450J XC. operator says brakes not operating on foot pedal. machine keeps moving when going down hill. after pedal is fully down. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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Have a 750c dozer with fault code f677 and f675 what does
have a 750c dozer with fault code f677 and f675 what does this mean … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
15,118 satisfied customers
CAT D5M-LGP S/N 3DR00512. Just had new engine installed and
CAT D5M-LGP S/N 3DR00512. Just had new engine installed and now dozer won't move forward or reverse. We can hear transmission engaging. Engine is not loading down and brake is not engaged. What is the… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I recently purchased a used Caterpillar D4C Series III
I recently purchased a used Caterpillar D4C Series III machine # 6YL00776 bulldozer with power shift . After putting it to some basic use, I saw that if I pushed up against something solid, like a stu… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
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Have a older -70 model jd350 dozer. Not all rusted up in
Not all rusted up in great shape. One track wasn't pulling at all so we tried freeing it by hitting a cement block and adjusting the clutch and brakes but no luck. Tracked it into my shop to try later on and after a week I went to pull it out and track is froze solid will move a inch back and forth and I can see the band moving also with that inch motion. What has it locked and what can I do to free it? … read more
Wayne
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I have a terex th 844C telehandler that wont go into forward
hi . I have a terex th 844C telehandler that wont go into forward o rreverse … read more
Curtis B.
Curtis B.
Technician
Associate Degree
2,324 satisfied customers
2014 Terex tc 35 mini trackhoe, open cab w/rubber tracks. I
2014 Terex tc 35 mini trackhoe, open cab w/rubber tracks. I was walking the machine & the swing locked up like elect. brake is on. When I move joy stick to swing position it puts pressure on aux hose.… read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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1984 D4E JUST PERCHASED FROM GOV DOZER WILL NOT PULL IT IS
1984 D4E JUST PERCHASED FROM GOV DOZER WILL NOT PULL IT IS FREE WHEELING PUT IN GEAR DOES NOTHING PUSH WITH ANOTHER D0ZER IT JUST ROLLS FREELY PLEASE HELP… read more
Dan
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Auto Mechanics 1&2/diesel mech
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Man I have a question on a 928g loader I have been doing
Man I have a question on a 928g loader I have been doing some test on the transmission I need a little bit of direction. Here are some of the test results on pressures at the test ports cold Port G is… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,118 satisfied customers
I have a JD 550c dozer. It pushes fine straight ahead but it
I have a JD 550c dozer. It pushes fine straight ahead but it won't steer left and when I pull the left lever under load it seems to stop power to both tracks. I don't have a manual for this machine.I … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,118 satisfied customers
I have 1992 TD -8G DRESSER Dozer! I changed the left final
I have 1992 TD -8G DRESSER Dozer ! I changed the left final drive . Started the machine moved it forward and backwards , turned to the left it works fine . When I turn to the right the brake pedal jum… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,118 satisfied customers
I have a 2004 catapillar D3G LT dozer with 3,800 hours . The
I have a 2004 catapillar D3G LT dozer with 3,800 hours . The transmision is not working properly - Saturday I was doing some grading work (dirt) for about 3 hours and then it just started slowing down… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
D6m - engine rpm does not drop but tracks slow to crawl under
D6m - engine rpm does not drop but tracks slow to crawl under heavy load ?? Changed trans oil filter . Engine rpm 2200 ?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have a 1994 D3C, series III CAT dozer. Numbers: 8y8150
I have a 1994 D3C, series III CAT dozer. Numbers: 8y8150 (Engine) 6SLOO202 (Engine) SXK00181 (SN?) 9AE03013 (Transmission) Rearrangement #: 8y150 6I3535 6y6844 (Transmission) (I am familiar with CASE,… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
I have a 753 bobcat, it broke down yesterday and I need to
I have a 753 bobcat, it broke down yesterday and I need to get it to roll so I can move it. It does not start.how do you get the wheels to roll ?… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
15,118 satisfied customers
d7A DOZER CAME TO DEAD STOP ABLE BACK UP DOZER LENGTH NOT ONLY
d7A DOZER CAME TO DEAD STOP ABLE BACK UP DOZER LENGTH NOT ONLY MOVE 2FT FORWARD AND THE SAME DISTANCE BACK FEELS IF SOMETHING LOCKS UP WHERE DO i START LOOKING THANKS… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,325 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

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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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