The acronym “6BT”, which denotes the 5.9L 12v Cummins (1989 – 1998 model years), stands for 6 cylinder, “B series”, turbocharged. The Cummins “B series” is a family of inline cylinder diesel engines including 4 and 6 cylinder models.
What does T stand for in 6BT?
Welcome bud!! 6BT 6 cylinder, B series, T=Turbo.
What is so great about the 12 valve Cummins?
A stroke of 4.72 inches (accompanied by a 4.02-inch bore) yields 359 cubic inches, incredible low-rpm torque and remarkable fuel efficiency. Along with it being in an inline engine’s nature to produce gobs of torque, they’re also easier to work on than the V8 competition.
How much power does a 6BT Cummins make?
Stock Block: Unofficially Rated For 1500 Horsepower
In high horsepower, race-only type applications, the 6BT block has proven capable of standing up to 1,400 to 1,500 hp so long as torque output is kept below 2,500 lb-ft (usually accomplished with high-rpm operation).
What does Cummins QSB stand for?
Cummins QSB 4.5 Engines for Sale:
“QSB” stands for off-road applications where as an “ISB” engine is usually on-road. … All QSB 4.5 and ISB 4.5 engines are electronically controlled. The fuel systems all use the High Pressure Common Rail Fuel System (HPCR).
What vehicle has a 3.9 Cummins?
Because of its very respectable torque output, the 3.9L Cummins 4BT engine really has made a mark in the off-road/rock-crawling scene and is a popular swap engine for Jeeps, Ford Broncos, Chevy Blazers, Toyota 4Runners, and other vehicles that get down off the pavement.
Are all 5.9 Cummins blocks the same?
From ’94-’97, all 5.9L Cummins engines shared the same cast-iron block, crankshaft, main cap bolts and cylinder head found on the ’89-’93 mills. … 14mm bolts on ’89-’97 engines), all late model 12-valves were equipped with the smaller diameter fasteners.
How many miles will a 12 valve Cummins last?
You can easily get 300k miles on even a modified cummins. Fix the killer dowel pin before you put it in, and it will be fine for a long time.
What’s better a 12 valve or 24 valve Cummins?
While the 12-valve is a little bit more reliably with the mechanical P7100 pump, tuning it requires modified parts of the injection pump. The 24-valve might not be as insanely reliable, but it’s still very reliable and can easily be tuned with a handheld tuner.
Is a 12 valve Cummins better than a 24 valve?
The 12 Valve engine is hands down more reliable than the 24 Valve. Even guys who have spent the money to get an aftermarket lift pump (a must with a 24 Valve, along with a fuel pressure gauge) have gone through multiple pumps.
How many MPG does a 5.9 Cummins get?
We own five Dodge 4×4 pickups with the 5.9L Cummins, and we are thrilled with all the trucks. All five trucks we own average 29 MPG highway, and 24 MPG in town. Cummins 5.9L has the fuel economy, speed, and the power to pull.
How much boost can a stock 12V Cummins handle?
Yes, the rule of thumb is 40-50 psi of boost, but that’s more because of the increased drive pressures associated with more boost.
Is a 5.9 or 6.7 Cummins better?
6.7L Pros & Cons
Larger displacement and longer stroke than the 5.9L means more low-end torque and better ability to spool a larger turbo. 350hp to 385hp stock (depending on model year and transmission) 650 lb-ft to 900 lb-ft of torque stock (depending on model year and transmission)
What year Cummins is the best?
To me the Holy Grail is an early-1998 Cummins 4×4 12-valve. The rear Quad Cab doors only started opening in 1998, but halfway through the model hear they started with the computerized 24-valve biz. That’s the best body configuration of the most reliable truck ever built and it’s got power potential as good as any.
What is the best Cummins Engine?
Cummins 6.7L Turbo Diesel
It is packed with features that make it the best Cummins engine that is currently on the market. Because of its prestige and durability, many RAM owners are choosing to upgrade to this bigger, more powerful model from the one that came standard in their early 2000’s truck.
Who currently owns Cummins?
Headquartered in Columbus, Indiana, United States, Cummins sells in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributors and approximately 6,000 dealers.
|Formerly||Cummins Engine Company (1919–2001)|
|Founders||Clessie Lyle Cummins J Irwin Miller|