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I have a 1994 D3C series 3 Bulldozer serial # 6SL0041. The
I have a 1994 D3C series 3 Bulldozer serial # 6SL0041. The issue is dozer will not turn left. I have replaced the breaker bands and rebuilt the steering valves with new roller bearings and cams. The r… read more
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catmastertech
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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
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My 1977 model 977L set for about 4 years before rescued it
My 1977 model 977L set for about 4 years before rescued it after replacing the hydraulic lines and rotten fuel linesI got it running and after using it a little the brakes started locking up in revers… read more
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I have a CAT D5M and brakes locked on, why would this be?
Hi, I have a CAT D5M and brakes locked on, why would this be? … read more
catmastertech
catmastertech
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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
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1972 Deere 1020. Brake on the passenger side rear drive tire
1972 John Deere 1020. Brake on the passenger side rear drive tire was frozen during a icy weather storm and tractor was bogging down while driving. Engaged foot pedal and still boggged down. Then the … read more
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Curtis B.
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Cat 935b pedal steer when i push on the right steering pedal
cat 935b pedal steer when i push on the right steering pedal the left track stops why … read more
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Any experience with older Mitsubishi machines. I have a 1977
Any experience with older Mitsubishi machines. I have a 1977 BS3E (loader), the BS3D is the same machine, its the dozer. I have all the manuals/diagrams… read more
catmastertech
catmastertech
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I have a Cat 941 Traxcavator SN 80H983 that I can't get
I have a Cat 941 Traxcavator SN 80H983 that I can't get either steering clutch to engage. Can't steer tractor at all. What do I need to do to get these clutches to work. Worked fine when I brought it … read more
catmastertech
catmastertech
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I have a cat d3b serial number 23y02028. i was using it on a
i have a cat d3b serial number 23y02028. i was using it on a job and all of a sudden the right steering pedal has to pushed all the way to the floor for it to steer. Before that happen both pedals had… read more
catmastertech
catmastertech
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I have a Cat D3C 6SL01091 It was out on rent, the renter
I have a Cat D3C 6SL01091 It was out on rent, the renter said it quit steering and tried adjusting the the linkages himself. Not sure what he did....I got it back, and it wont steer or stop at all.I t… read more
catmastertech
catmastertech
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On my cat 450f backhoe when idle is up and you touch break
On my cat 450f backhoe when idle is up and you touch break it idles down how can I disconnect this I don't want to idle down until I do it myself… read more
catmastertech
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We have 4 USED CAT SCRAPERS 634D serials 24W2194, 24W2657,
We have 4 USED CAT SCRAPERS 634D serials 24W2194, 24W2657, 24W1369, 24W2408 NO BRAKES. What do we diagnose step by step please? Farid XXXX +1(***) ***-**** *****@******.***… read more
Expert
Expert
my customer has a d6c dozer the SN is 10k6516 he things that
my customer has a d6c dozer the SN is 10k6516 he things that the clutches are dragging . the machine will try to when steering levers are in neutral position. it is especiallyb bad when cold im wonder… read more
catmastertech
catmastertech
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cat d7: I have a D7 cat serial # ***** and the Fsn# ********-***-****
I have a D7 cat serial # ***** and the Fsn# ********-***-**** . I bought this cat from a military auction and both tracks are lockup could both final drives lock up on a cat at the same time ? what co… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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i have a Cat 931b,probably built in late 1970s and the serial
i have a Cat 931b,probably built in late 1970's and the serial # ***** is missing. The left steering clutch does not work after approx 20 hours of use. i removed the diamond shaped cover under the sea… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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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
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I have a cat D4C dozer serial #5XK03895 left steering needs
I have a cat D4C dozer serial #5XK03895 left steering needs adjusting often now it does not turn left at all. how do you tell if brake band is bad or could it be something else. Could i get info on re… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
3,318 satisfied customers
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