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My 289d 2017 cat skid steer n bucket will not respond to
My 289d 2017 cat skid steer n bucket will not respond to control … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
4,042 satisfied customers
I recently purchased a 2006 Cat 252B and unfortunately the
I recently purchased a 2006 Cat 252B and unfortunately the middle section of the Operators manual is missing. I'm not sure the process to engage the auxiliary hydraulics. I've confirmed all the fuses … read more
catmastertech
catmastertech
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4,042 satisfied customers
226b3 starts and runs great, auxiliary works great, wont
226b3 starts and runs great, auxiliary works great, wont move or lift or operate bucket … read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,042 satisfied customers
Cat 304C CR won't start - no power to solenoid. Caterpillar
I'm looking for where/how to access the starter relay to test it, but I don't know how to access the relay. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
I have a cat 312 c excavator. I was running this morning and
hi I have a cat 312 c excavator. I was running this morning and I lost all hydraulic functions and travel. I disconnected the safety micro switch and when I do that it wont let machine start. when I h… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,042 satisfied customers
Have 2008 Cat 303CR. Mitsubishi S3L2-E engine always than
Have 2008 Cat 303CR. Mitsubishi S3L2-E engine always harder than normal to start, mechanical governor is hard to get timing marks lined up on rod coming from injection pump. Three starters , just inst… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
Challenger 45 transmission. Cat challenger 45 transmission
Challenger 45 transmission. Cat challenger 45 transmission wont engage forward or reverse and I have a dead digital dash display . Are they connected and/or is this the problem. … read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,042 satisfied customers
I have a 320l that the gauges come on for about 10 seconds
I have a 320l that the gauges come on for about 10 seconds when the switch is turned on then goes out and the throttle don't work. The throttle does work in emergency mode. Seems like it got worse ove… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
JD330LC-5 excavator won't start, when the key is turned to
JD330LC-5 excavator won't start, when the key is turned to the start position the oil light and charge light comes on then a buzzer sounds but the motor won't start from the key and the buzzer and lig… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
I have a cat 304cr excavator that will not shut off with
I have a cat 304cr excavator that will not shut off with key … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
Looking for an electrical schematic for a CAT 312BL with a
looking for an electrical schematic for a CAT 312BL with a SN of 8JR01141. I am only finding newer schematics online. Just wondering if one of your guys might have one (I have seen catmastertech post … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
I have a cat 301.4c excavator that reason wont start. like a
hello I have a cat 301.4c excavator that for some reason wont start. like a safety is not allowing it to start. I changed altinator and rectifier in it now it wont crank. at koeo I hear a buzzer and t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
My cat e200b suddenly lost all power to the front panel. all
my cat e200b suddenly lost all power to the front panel. all dials went to zero and the key will not start or turn off the motor.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
Can you email copy of wiring diagram mitsubishi mm55sr
can you email copy of wiring diagram for cat mitsubishi mm55sr excavator? We have lost all hydraulic functions except tracking. Everything works manually on hydraulics but nothing through electrics.Th… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
1999 CAT D5 LGP Hystat II Dozer: Dozer has been working and
1999 CAT D5 LGP Hystat II Dozer: Dozer has been working and operating fine until now. Turned the key off, gauges shut down but engine kept running. Ran jumper wire to solenoid on injector pump to shut… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swin
Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swing. I've located four solenoid valves located on pilot system near pump. I've also located solenoid valve on sw… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,042 satisfied customers
I have a PC-150-5 excavator. I was operating it and smell wire
I have a PC-150-5 excavator. I was operating it and smell wire insulation burning. After that it will not swing. the Red Switch by the right arm rest that did controll the swing lock is now dead and i… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
1,241 satisfied customers
hi our cat 318d excavator does not cycle the preheat long enough.
hi our cat 318d excavator does not cycle the preheat long enough. it only activates for a few seconds no matter the temp. could it be a temp sensor not funcioning properly and if so how do i access th… read more
catmastertech
catmastertech
Technician
Vocational, Technical or Trade Scho
4,042 satisfied customers
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