It was the primary digital mid-range diesel engine that Caterpillar produced. I learn some posts saying that the early 3126 blocks had been weak and cracked regularly One thing a couple of french foundry making unhealthy castings however I feel that was really the 3116 and CAT pro-actively recalled these blocks.
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My one truck obtained 720000 miles on a 3126 earlier than we needed to do an Inframe at R R engine in Akron Ohio.
3126 cat engine issues. USED 2005 Caterpillar 3126 Full Engine Meeting. Pulled the OEM harness off of the Ecm and examined energy and grounds. Oil stage too excessive.
Hello wanting over the issue on the Cat 3126 engine should be a E sequence on laborious beginning. Now the 83 Cummins we now have had extra issues go incorrect with it. After we had been approaching the marina entrance the port engine minimize out stopped.
Dialogue Starter 1 Apr 4 2013. I’ve a 3126E in my 2002 Chevy 7500 dump in entrance of a 8 sp. First they’re mother or father bore engines which makes them both not rebuildable or an enormous ache if you’ll find a store to do it.
The 3126 is predicated on an earlier engine 3116 it seems that earlier engine had some unhealthy issues and this began it out on a nasty foot. What may probably be incorrect with the 72 Caterpillar 3126 diesel engineSubscribe. Take away dipstick and verify oil stage.
It’s a medium-duty engine and has been utilized in dump vehicles lengthy haul vehicles. The 3116 and 3126 cats are okay however they’ve some severe drawbacks. The boat that docks subsequent to me had 12 thousand hours on his 3126 and had it rebuilt solely due to the quantity of hours on it.
Cat 3126 downside. Low Gas Strain. 3126 engines dont have a shutoff solenoid it’s all controled by the ECM.
Simply turned 105000 miles. If stage is just too excessive drain oil to deliver the oil stage to the specified stage. As much as 20 money again I’ve a 2002 Winnebago 330 hp cat engine I imagine it’s the 3126 engine.
The second is they’re unit injectors which can be a ache to set timing and or diagnose an air leak if one comes up or change an injector. Heres one of many main engine dies easy failures of the 3126 HEUI engines however there’s a replace metal line out to treatment it. Downside within the IAP circuit.
3126 with previous rubber HEUI line_ in paint programjpg 3126 with metal HEUI line_ in paint program 2jpg Attachments. Hey I’ve a 3126 that has just lately given codes 15 and 39. Albeit the 3116 was utilized in all kinds of utility together with many marine functions the CAT 3126 and later the CAT C7 had been arguably higher fashions.
The Caterpillar 3126 is a turbocharged 72L inline 6-cylinder diesel engine manufactured by Caterpillar and first launched in 1997. Had my first actual hassle with the engine final week. More than likely the velocity sensors not sending sign HEUI IAP valve and even the HEUI pump itself.
Now we have Cat 3126 engines. Longshot could be ECM. The gasoline pump was 2700 to exchange.
3116 and 3126 Truck Engines Downside Engine Misfiring Or Working Tough. Throttle Place SensorPTO Downside. Hydraulic System Downside.
The CAT 3116 was engineered to be disposable. Having a diesel store. 10 rows Additional criticism of the 3126 Caterpillar Engine scarred its popularity as many marine customers.
Second time out unit began to behave prefer it was shedding pr. It’s the successor to the Caterpillar 3116 engine and was changed by the Caterpillar C7 engine in 2003. I checked wires for free connections and checked the sign voltage on the IAP sensor.
Within the late 90s that they had some issues with delicate blocks. Except you have got an energetic code the cruise flash codes wont present something. I do know of at the very least 4 vehicles 9899 and two 2000 fashions which have the identical downside my first engine broke a valve a 298000 miles overhead is at all times ran at or under 100000 miles and all different maintence is completed at or earlier than cat specs.
Engine wouldnt run verify engine and cease engine warning lamps wouldn’t do a bulb verify and Ecm wouldn’t talk. Set up new gasoline filters. Had unit serviced earlier than leaving and water gasoline filter was modified.
To conclude the CAT 3116 isnt a horrible engine however is rattling close to on the backside of the very best diesel engine listing. Air In Gas. The truck runs nice however may be very sluggish and doesnt have a lot energy in comparison with earlier than.
The 3126 Cat has been an important motor for me. Change out the IAP sensor as a result of symptom of startup with IAP sensor disconnect is form crude however will point out. This video additionally has a Destruction of the week section.
Dont know what you imply to get it proper I’ve a 3126 E 2002 Cat engine in my 2003. A gasoline pump in a Cat is lower than 30000. As I elevated the throttle the sign voltage dropped.
That is the second time this has occurred after a time out. Chilly Outdoors Temperatures. Cummins 855 Large Cam.
Frankly I feel the 3126 is the largest piece-o- ever produced for a business truck want I had a cummins however to get again to it I’m in search of folks. Now we have a 3126 with 4 thousand hours on it and have had no issues with it. Truck got here in on a wrecker.
SN-35CKM54275 PN-1047828 HP-NA CPL-198-8859 ECS-NA Mannequin-3126 For extra details about this merchandise name. RRBought newonly subject has been a leaking oil coolernewer fashion gaskets are provided now and a gasoline sensor in 55K milesIt is IMPERATIVE that clear oil and the proper oil is at all times maintained because the oil is the drive for the HEUI systemPlenty of powerI have the 250HP model with a turboengine will begin at -10 with the grid. Water In Gas.
It began getting higher mileage at 75000 m and went from 86 to 93 mpg. This video discusses the Caterpillar 3126 Engine. We name an engineer who had a glance spherical restarted the engine and couldn’t see any apparent visible points.
The engines design faults and customary issues. 3116 and 3126 Truck Engines Downside Low Energy. After sunny weekend away we had been returning to Pwllheli in our Azimut 42.
Im engaged on a 3126 in a enterprise class freightliner with an automated transmission.
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