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I own CAT 330DL excavator serial # LRM00335 I have Two
I own CAT 330DL excavator serial # LRM00335 I have Two issues with as follows:1) When I put the machine on high speed let's say # 10 and start working when I leave the controls the speed stay the same… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
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I have a 2014 Cat 302.7D mini excavator with 3,900 hrs that
I have a 2014 Cat 302.7D mini excavator with 3,900 hrs that has several issues. The left track is very week. The right track will not move at all unless I curl the bucket. When I curl the bucket it wi… read more
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Dan
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I need help to troubleshoot a Deere excavator 350G no
Hello I need help to troubleshoot a john Deere excavator 350G no hydraulic functions and no drive, engine starts and runs ok … read more
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I have a Koerhing excavator #6633 that has lost about half
I have a Koerhing excavator #6633 that has lost about half of it's hydraulics. One lag will turn and other one won't. The bucket will not tip either way. The main boom will lift, but no down pressure.… read more
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I have a hitachi zx 270-3 excavator.I was running it today
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Dan
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I have Link belt 4300 Quantum year 2000 excavator and my
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Dan
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I have an E70B Cat Excavator that seems to have the same
I have an E70B Cat Excavator that seems to have the same problem as this URL that I am reading. http://www.justanswer.com/heavy-equipment/29rzk-hydraulic-both-pumps-acts-main-relief-valve-guys.htmlWhe… read more
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Dan
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I have a E120B manufactured in Japan, PIN: 6JF000668 Arrang.
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I am having trouble in cat 312 excavator. 1. The movement of
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Have a cat 312 7dko68#### runs hot after 20 mins, hydrulics
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catmastertech
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Vocational, Technical or Trade Scho
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My hitachi ex100 has lost hydraulics Kinda acts like the
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I have a komatsu d65 ex 15 ser.. 67019 engine over heating..
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I have a Komatsu PC50MR-2 with some hydraulic issues. The first
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Hi,I own a Caterpillar 320B excavator. The electrical circuit
Hi, I own a Caterpillar 320B excavator. The electrical circuit to the Straight Travel Solenoid valve is disconnected. What is the purpose of this solenoid valve and when is it activated? It is connect… read more
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catmastertech
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I have a ex 135-ur Hitachi Excavator and the hydraulic system
I have a ex 135-ur Hitachi Excavator and the hydraulic system is slow. But I can put the boom down on idle and it will lift the machine up. The filters in the hydraulic tank looks good. Thanks for you… read more
dieseldan55
dieseldan55
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Cat 320 excavator, has a hammer (breaker), when you activate hammer runs for a few minutes then looses hitting power, let it rest an hour or so and will run for a few minutes before loosing power. Now… read more
Steve
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I have a 2005 tree hr20 mini excavator, I let all hydraulic
I have a 2005 tree hr20 mini excavator, I lost all hydraulic functions, and the over load gauge is stuck all the way over. I have unplugged the gauge left the unit cool down over night. Still no hydra… read more
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LX 210, main pump problem, P1 pump make no pressure. I disassemble
LX 210, main pump problem, P1 pump make no pressure. I disassemble the pump and saw nothing, all perfect. Piston to barrel clearence, swash plate working good, no broken shaft, pump plate like new, no… read more
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