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I have a Cat 416B. I replaced the seal kit in both swing
I have a Cat 416B. I replaced the seal kit in both swing cylinders. Now the backhoe will only swing to about 45 degrees left and right. I did not remove any hose. What is causing this? Thanks … read more
catmastertech
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Vocational, Technical or Trade Scho
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420D backhoe loader. Front bucket controls working erratically and little pressure to steering, everything else working great. I switched 2 quarter inch lines at the steering priority valve. Steering … read more
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Got a 330 cat excavator boom just nearly raises. Now pilot
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I have a cat 420D backhoe loader and the backhoe wont work,
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I am looking for advice. I have hydraulic problems on a 2004
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I have a cat 325dl that was driving across a field and very
I have a cat 325dl that was driving across a field and very suddenly lost track speed on one side run by pump 1 or called the driven pump. If the ecm override is switched track speeds back up to norma… read more
catmastertech
catmastertech
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I have a 1988 Cat 416 Backhoe. Recently while digging the
I have a 1988 Cat 416 Backhoe. Recently while digging the boom suddenly seemed to loose most of its lifting capability. It can barely lift itself but if the extended part of the stick isn't out or the… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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I have CAT 426 backhoe we used it to move a mango trunk by
I have CAT 426 backhoe we used it to move a mango trunk by swing it to the right side than suddenly a sound like something brake than the swing stop both left and right. I have to tie up the boom whil… read more
catmastertech
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Vocational, Technical or Trade Scho
4,041 satisfied customers
Cat 311B SN 8GR00463 Boom down when the boom is on the ground
Cat 311B SN 8GR00463 Boom down when the boom is on the ground does not lower the pilot line pressure to the front pump and the pump Doesn't spool up. If the boom is in the air it does drop the pressur… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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I have a cat 302.5c that I am trying to add a thumb to and
I have a cat 302.5c that I am trying to add a thumb to and the thumb will only operate in one direction, I have tried it with the work tool valve in two way and one way with same results. I noticed wh… read more
catmastertech
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Cat 322bl sn 8nr20091. Left track slower than the right, will
Cat 322bl sn 8nr20091. Left track slower than the right, will walk straight when activating another function eg swing, arm etc, I've been told one side of the main pump could be getting tired, hence t… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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i have a 416B cat and the will not push dirt to the side,as
i have a 416B cat and the hoe will not push dirt to the side,as in filling a trench or hole that was dug.I t swings ok with or without a load while raised but at grade it seems to struggle at best or … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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I have a Ford 555A backhoe and have suddenly lost any control
I have a Ford 555A backhoe and have suddenly lost any control over the left and right movement of the boom. All other hydraulics and cylinders are responding normally. Help… read more
Steve
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High School or GED
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I have a 1980 235 Cat excavator and recently the stick is very
I have a 1980 235 Cat excavator and recently the stick is very slow, also one track has lost power. I checked the pressure on the pumps, both pressure up to 3700 psi, pilot pressure is at 325 at the s… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,041 satisfied customers
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