c12 cat engine problems

Issues had their roots way back in 3176 and 3196. I hope to hear from drivers with the same engine.

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The radiator cylinder head and cams.

. I specifically chose our current boat because it had CAT C12 715hp lumps Henry 24 May 2013 6 C CMJ Member Joined 31 Dec 2006 Messages 212 Weve done 700 hours on our C12s now and theyve been totally faultless and reliable - so either. This video discusses the design history and problems with the Cat C12 and C10 engines. The engines cylinder bore has a diameter of 51 inches and a piston stroke length of 59 inches.

Caterpillar claims that the primary failure mode for the C12 from overspeed is valvepiston failure when the Jake is activated. I had the same problem with 2003 Cat 3196 engines brother to the C12. C-12 is a good motor.

C12 engines have been known to have some cam failure issues. Or 3 Weve been lucky. C12 cat engine problems this monitoring clarifies the cat individuals character.

Weve had a 430hp C12 for about 4 yrs. HEY GUYSI GOT A 98 CAT C12 ENGINE IN A WESTERN-STARTHE ENGINE IS BLOWING HUGE AMOUNTS OF BLACK SMOKE WHEN I ACCELERATEENGINE SURGES-ECT. 3 Caterpillar C12 Water Pump Problems.

12 rows Water pump issues on the Cat C12 are an underlying cause of coolant contamination in the oil. I can say they tested 2 boats with 1000hp 129s. It is a fine engine.

Problems do tend to occur sooner in those cases. Cat c12 problems. I have heard from several RVers who have destroyed their engines because of valve problems Caterpillar claims they have used the stock C12 with a different head for racing and turned 3200 rpm.

Block and cracked head after only 270000 milescarb We have a 2004 T800 KW that now has a Cat C12 engine with hole in the block and cracked head after only 270000 miles. Known C-12 issues. Engine Looses Speed And Comes Right Back.

Read more Cat Man Caterpillar Engine Expert. Even with lighter operation the head gaskets are known to be problematic at higher mileage and hours. Then refer to the appropriate troubleshooting procedure for more information.

Regrettably some of the problems include those that could mean the permanent ruin of your engine but some if caught early enough may be saved. Some attribute head gasket issues to C12s running higher power and constant heavy loads. Pin On Electrical System The fire rings tend to blow out because of the way the liners and the cylinders are constructed.

Have 370 gears with ours and gets 65mpg. Worked at a Cat TEPS dealer for truck engines. I CHECKED THE FUEL.

You could have another. We had a c12 435hp in our 2000 fl classic. The problem was finally solved when the fly by wire control at the helm station was replaced.

There is major trace of coolant on dipstick. It pulls well and has very few problems. These were gravity feed instead of top feed.

1 the internets telling porkies 2 Caterpillar have sorted any issues out early on. About a year ago CAT suddenly pulled their Tier III C13 customer field trial boats put the original C12s back in and went home. The Caterpillar C12 Marine Engine is a Diesel propulsion engine with ratings of 345-497 mhp at 1800-2300 rpm.

Other than that a good engine the fixes are out so you will really only have to do them once. Had a friend dont we all who had aluminum tanks from an older Intl. 5 - 16-Apr-09 Original Post.

The C12 can meet EPA Tier 2 commercial IMO II and EU IW or RCD emission standards with the exception of the 497 mhp rating at 2300 rpm which meets IMO I. 31748 i have a c12 in my magna. Spun Crankshaft Bearings Cracked Cylinder Head s Dropped Valves.

2003 Cat C12 with 240000 miles in a Intl 9100i daycab. 10343 satisfied customers According. Most of the head gasket failures come from high HP and high loads.

Posted By BIG AL Sunday September 11 2011 118 AM. Both engines run good the problem is that the starboard engine loses RPMs and instantly returns it drops down to about 800 RPM and then returns to speed from whatever speed we. Cataloged Below are some engine problems and failures commonly reported by people inquiring about replacing their C12 Cat engines.

Both have the same problems but that 2003 model is consided the bridge engine model. In this video we are following my day in the shop working on a Cat Diesel C12 Engine with a damaged lifter and camshaft. This is in a day cab T800.

Caterpillar replaced many parts to include the ECU and the turbocharger. Up to 15 cash back Cat c12 problems cam follower tore up cam now replaceing the head i wanted to know if there were any - Answered by a verified Technician. Original steel fuel tanks were leaking.

As a guy who used to make a living working on CAT truck engines I can tell you the C12 was one of my favorites. Being able to split the top side makes a HUGE difference in pulling ability. Can the C12 be replaced.

C12 cat engine problems Saturday May 21 2022 Just make sure if you repair the engine that all the cam followers are replaced as well. I would like anyone to contact me if you are having any. I am in Cabo San Lucas Mexico and I have two 2005- C12s in a 48 ft.

Friend said it wouldnt matter you can go from top to bottom but not the other way. Expect to do a head gasket and CamFollowers between 750 and 1 million. Hi there i got a c-12 engine sitting in a 2000 379 pete it has a grain box on back only gets 10000km year but needs to be very reliable.

My engine also ran fine and looked normal with the diagnostic computer hooked up. Head gaskets are another potential flaw of the Cat C12 engines. Ran fine for a few weeks.

C12 cat engine problems. These problems are common ask around and youll find out. Depending on the weight you will be pulling and how fast you want to run I HIGHLY recommend a 13spd transmission.

Topic View Topic Options. Up to 15 cash back Caterpillar Engine Expert Vocational Technical or Tra. Though Caterpillar denies the aftercoolers are defective officials have acknowledged problems in testimony and documents produced as evidence.

We were all head scratching C9 was going through a major design tear up with HUEI being replaced with common rail system and new 4 valve head and looked ready to rock and roll at Tier III.

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