Medium and Heavy Trucks

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I have a 2005 Cummins natural gas Genset model GGDB with
I have a 2005 Cummins natural gas Genset model GGDB with PowerCommand 1303 without the display. The genset cranks but won't start. There is no spark and the fuel supply solenoid seems to have no power… read more
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I live in Brasil and have an 855 in a 9370 Case Steiger
Hi, I live in Brasil and have an 855 in a 9370 Case Steiger tractor that originally came out with an N14, I purchased used and am going through the engine and have some questions. The serial number is… read more
Wayne
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I live in Brasil and have an 855 in a 9370 Case Steiger
Second opinion] Hi, I live in Brasil and have an 855 in a 9370 Case Steiger tractor that originally came out with an N14, I purchased used and am going through the engine and have some questions. The … read more
cumminsdr
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yes ..I have changed fuel filter ..checked voltage at fuel sensor 12.4 vdc..added fuel to tank … read more
Daniel Wilson
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I just did a tune up on an NTC -300 Big Cam Cummins and now
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Jeremy
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I have a int daycab with isx 500 broke a rod and thru block
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T. Its an 855 big cam cummins 79 vintage serial number not
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WITH A 2000 INT DT466. The problem was no start without
IM DEALING WITH A 2000 INT DT466. The problem was no start without small breath of startrr fluid then ran great. The oil high pressure was low so we replaced punp after having it bench tested. Now fue… read more
Alex Olsen
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We have a cummins n14 here and the unit runs great but does
we have a cummins n14 here and the unit runs great but does not start unless hit with starting fluid and starts and runs doesnt sound like it has air in the system just fires right up customer has put… read more
Dorian Conley
Dorian Conley
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Well, I purchased a cummins qsb 3.3 engine. It came with the
Well, I purchased a cummins qsb 3.3 engine. It came with the engine wiring harness and the ecm. I built a harness to tie into the oem ecm port. I followed the wiring diagram on cummins quick serve. Af… read more
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cumminsdr
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N14 shuts off and wont restart sometimes. getting to the
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I have an Obannon natural gas fired generator, model GGFB or
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Owner pulled out 855 in @late 60's truck.He said old motor
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I have a cummins n14 plus 1995 mod rated at 400 hp. In a john Deere 8970 tractor It
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HelloI purchased a 1995 GMC with a 85' Skyhook crane on it.The
Hello I purchased a 1995 GMC with a 85' Skyhook crane on it. The crane does NOT have a welder/generator unit on it. I do NOT need to use a welder so can you recommend a generator I can use that can ch… read more
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Good morning I have a GTA 855P3 operating in natural gas compression
Good morning I have a GTA 855P3 operating in natural gas compression application running on natural gas. Unit started burning coolant 1/2 liter in 24 hour period for a couple of months now.I have chgd… read more
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Dear dr Cummins. What natural gas fuel pressure does a cummins
Dear dr Cummins. What natural gas fuel pressure does a cummins 19kta generator require in inches of water column before the air/fuel mixer? what is the max allowable egt before the turbo inlet? what i… read more
cumminsdr
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HEY I HAVE A 6.7 QSC CUMMINS IN A YARD GOAT TRACTOR. THE COMPANY
HEY I HAVE A 6.7 QSC CUMMINS IN A YARD GOAT TRACTOR. THE COMPANY WAS USING THE TRUCK ALL DAY AND WAS RUNNING FINE. THEY SHUT IT DOWN TO DO A SHIFT CHANGE AND TRIED TO START IT BACK UP AND NOW IT WONT … read more
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