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I'm still trying to figure out rather to buy this CAT D3B
Hello. I'm still trying to figure out rather to buy this CAT D3B Dozer. Trying to understand the breaking system because dozer doesn't run but I need to be sure I can move it to get it loaded on a tra… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
I am looking at a Caterpillar D3E dozer. Been sitting for
Hello. I am looking at a Caterpillar D3E dozer. Been sitting for along time. If I decide to buy it can I still move the dozer by pushing or pulling if it doesn't run? Thanks Scotty… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
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
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
I have a d5c III dozer with the hystat drive system. The
Second opinion] I have a d5c III bull dozer with the hystat drive system. The machine wants to drift hard to the left and some times with the joystick in the neutral position the whole machine will sh… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
Right track will not drive it self forward or reverse. It
right track will not drive it self forward or reverse. It moves freely going straight but when I pull left brake it slightly tries to move but doesn't. The previous owner stated mechanic tested the pr… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
I have a cat d3c xl series 3 dozer and when driving pull the
I have a cat d3c xl series 3 dozer and when driving pull the right lever and steers just fine pull the left lever and the machine just stops moving and ideas what I could be? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a cat d3 from the 70s. I'm looking for information on
I have a cat d3 from the 70s. I'm looking for information on adjusting the brakes. It seems to work well but have to really push the pedal hard for the right track. Any help? … read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
I have a Hitachi DX40 Dozer. I cannot get it to turn. I
I have a Hitachi DX40 Dozer. I cannot get it to turn. I suspect I am low on transmission fluid (?) but don't know where the fill is located. I believe it may be under the seat? There is what appears t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 satisfied customers
I have a Liebherr 712 Dozer that is dead in the field, how
Hello, I have a Liebherr 712 Dozer that is dead in the field, how can I release the parking brake to tow the unit onto a trailer? Thank you… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 satisfied customers
Cat D5c dozer won't move. Just quit in the middle of backing
Cat D5c dozer won't move. Just quit in the middle of backing up. Coupler was changed last year. There's a lot of pressure at the filters. Neutral switch was bad, it would allow the machine to start wi… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,097 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
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
I have Cat D5C XL ser # 7PS00961 dozer was working and just
I have Cat D5C XL ser # 7PS00961 dozer was working and just stop moving blade goes up and down. I changed the SWITCH AS-PRESSURE (PARKING BRAKE)(###) ###-####and also the VALVE GP-SOLENOID(###) ###-##… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 satisfied customers
D37e-2 1990 steering/brake problem. Right side operates
D37e-2 1990 steering/brake problem. Right side operates normally. Left side powers the track properly but requires pulling the steering lever all the way to its travel limit to release the track. Left… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 satisfied customers
Have a 939c 6ds01275, 939c serial 6ds01275, Machine won't
Machine won't move back and fourth I check the pressure on the pump the brake valve has no pressure I check pressure on the pump back of engine has about 3000 psi there another pump that goes behind it I think that runs the motors for the track then there another one behind it I think that is brake pump well it don't move back or fourth parking brake stays on whatvshould I do … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 satisfied customers
I am needing to R&R seals in the track adjuster on a 1992
I am needing to R&R seals in the track adjuster on a 1992 cat D5C. Serial # 6pj 248. What is the best proceedure … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 satisfied customers
I rebuilt the steering clutches and brakes on a Cat 939
I rebuilt the steering clutches and brakes on a Cat 939 loader. Brakes work well in neutral but steering clutches will not disengage to make a turn. Do the actuator cylinders need bleeding? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 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
Technician
Vocational, Technical or Trade Scho
4,097 satisfied customers
Steering brake stuck on dozer..can't go forward or backward.
Steering brake stuck on dozer..can't go forward or backward. How can I get it to release the brake?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,271 satisfied customers
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