c12 cat engine problems

Topic View Topic Options. The C12 cat engine has a good reputation due to its good performance and even better fuel economy.

3406c Commercial Propulsion Engines Cat Caterpillar

I can say they tested 2 boats with 1000hp 129s.

. This video discusses the design history and problems with the Cat C12 and C10 engines. Caterpillar replaced many parts to include the ECU and the turbocharger. Worked at a Cat TEPS dealer for truck engines.

Discussion Starter 1 Oct 26 2010. 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. Rebuilt Inframe Kit Overhaul 1999 Caterpillar C12 Diesel Engine Engine.

My engine also ran fine and looked normal with the diagnostic computer hooked up. So I cannot give you specifics on the 129s. Engine Looses Speed And Comes Right Back.

5 - 16-Apr-09 Original Post. I ran a 1 of 3 sport boats involved in the Cat c87 program. Had a friend dont we all who had aluminum tanks from an older Intl.

The main focus of the suit is the Caterpillar 3196 which the company has described as the ideal engine for yachts 40 to 60 feet long. I am in Cabo San Lucas Mexico and I have two 2005- C12s in a 48 ft. The Caterpillar C12 is a 732 cubic-inch diesel air-to-air cooled engine 12-valve engine.

The 127 detroit and then the mack were 12 liter. I had the same problem with 2003 Cat 3196 engines brother to the C12. Though Caterpillar denies the aftercoolers are defective officials have.

Newly registered and have a Cat C12 problem. Ad Covers maintenance service overhaul specs troubleshooting DTCs wiring and more. 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.

A fuel pressure gauge with the right fitting for your Cat Diesel through the Amazon Affiliate Link. Anyway the Cat C12 120L engine makes up to 445 horsepower and 1650 lb-ft. However the C12 diesel still delivers solid performance.

Jaikins alleges some versions of another Caterpillar yacht engine the C-12 contain similar aftercoolers and could also be affected. Have a c13 2004 serial KCB in the shop running smooth but a lot of blowbyJust started to push dipstick about 8 inches out of tube followed by the oilPushes the dipstick only after a long pull under full boostGoing to check turbos for leaking into the crankcaseEngine has high 300000 on. The C12 Caterpillar is a diesel engine intended for marine propulsion with a range of 345 497 mph.

The oil testing results shows that oil is diluted with high amount of disel. The torque of these 12 liter power plants are higher than lots of the 14 liter power of the 80s. This engine is turbocharged and the rotation of the gears from flywheel end is counterclockwise.

These were gravity feed instead of top feed. Its not quite as capable as the larger C15 or the C13 successor. 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.

Cat used to be very reactive and supportive to product issues however on this. The Cat C12 is an excellent engine that many view as very reliable. The biggest problem with the C15 design is the head gasket.

Depending on the weight you will be pulling and how fast you want to run I HIGHLY recommend a 13spd transmission. C-12 is a good motor. Other than that a good engine the fixes are out so you will really only have to do them once.

These engines will run gross weights up to 120000 lbs in lots of places and do the job just fine. The problem was finally solved when the fly by wire control at the helm station was replaced. Posted By BIG AL Sunday September 11 2011 118 AM.

Caterpillar claims that the primary failure mode for the C12 from overspeed is valvepiston failure when the Jake is activated. There is major trace of coolant on dipstick. 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.

This engine is air and liquid cooled and the liquid. The fire rings tend to blow out because of the way the liners and the cylinders are constructed. The liners on the C15 sit in the engine block similar to a C13.

Rebuilt Inframe Kit Overhaul 1999 Caterpillar C12 Diesel Engine Engine. Expect to do a head gasket and CamFollowers between 750 and 1 million. Weve had a 430hp C12 for about 4 yrs.

Common Cat C12 Engine Problems. In the context of US boating yes C12 deserved a bad press and looking at very small hours clocked up by boaters here there is the difference. However the liner rests on the block as opposed.

These problems are common ask around and youll find out. Original steel fuel tanks were leaking. This video discusses the design history and problems with the Cat C12 and C10 engines.

These boats puts 1000 hours per season. Have 370 gears with ours and gets 65mpg. The design of the charge air cooler manufactured by Modine was defective.

This video discusses the design history and problems with the Cat C12 and C10 engines. And 1 boat with 850 129s. About a year ago CAT suddenly pulled their Tier III C13 customer field trial boats put the original C12s back in and went home.

It is a fine engine. Instant download with 4000 high definition pages for professional mechanics. Cat c12 problems.

Issues had their roots way back in 3176 and 3196. You need to speak directly with CAT if you have questions about the motors. 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.

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. The fuel economy that makes the C12 the definition of environmentally friendly is all thanks to the controlled fuel system which enables it to. But the issue is with the engine block design itself not the head gasket.

Up to 15 cash back I got recently an 8 liters engine oil consumption in the C12 CAT engine serial number BDL05137 mounted on a crusher. Being able to split the top side makes a HUGE difference in pulling ability. I wouldnt say the same about the c-10s but they are fine to 85000 gross.

Other than that a good engine the fixes are out so you will really only have to do them once. 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. The radiator cylinder head and cams.

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. Known C-12 issues. 2003 Cat C12 with 240000 miles in a Intl 9100i daycab.

C32 Acert Tier 3 Commercial Propulsion Engines Cat Caterpillar