4BT Cummins Specs
| Configuration: | Inline 4 cylinder |
|---|
| Oil Capacity: | 10 quarts |
| Governed Speed: | Varies with application |
| Horsepower: | 105 hp @ 2,300 rpm* |
| Torque: | 265 lb-ft @ 1,600 rpm* |
The total comes out to between $11,150-$12,650 CAD or around $8,634-$9,795 USD. Deboss goes into more detail about a diesel swap along with pros and cons.
One diesel engine in particular that pops up more than most is the 3.9L Cummins. The 3.9L (4BT) Cummins inline-four diesel engine creates 105hp and 265 lb-ft of torque from its relatively small size of 30.6 in long, 24.6 in wide and 37.7 in high.
You can bet with projects such as 6BT powered Dodge Ram and a 4BT powered Chevy Tahoe he gets a lot of people asking how much it would cost to swap a Cummins diesel into their vehicle. The total comes out to between $11,150-$12,650 CAD or around $8,634-$9,795 USD.
4BT Cummins Specs
| Configuration: | Inline 4 cylinder |
|---|
| Oil Capacity: | 10 quarts |
| Governed Speed: | Varies with application |
| Horsepower: | 105 hp @ 2,300 rpm* |
| Torque: | 265 lb-ft @ 1,600 rpm* |
With Bruiser truck conversions starting at $35,000 and the LS V8 engine kits starting at $22,500, a Bruiser Jeep Wrangler pickup is not an inexpensive vehicle! If you factor in the price of a new Jeep Wrangler JKU with hardtop, your all-in price on one of these four-door pickups is $85,000 — and up.
Because of these similarities, the 4BT Cummins has an extremely strong aftermarket, since many 5.9L 12V performance parts can be used in the smaller 3.9L engine. This, paired with the somewhat compact size of the 4BT, makes it a great candidate as a transplant engine for just about any vehicle.
Jeep doesn't offer its all-new 2018 Wrangler with a V8, but a shop in Florida changed that, dropping in a small-block Chevy under the hood. The conversion retains the Wrangler's eight-speed automatic transmission too.
The AMC 4.0L was held over after Chrysler bought the Jeep line from AMC. The 4.0L engine is likely the best known of all the Jeep engines ever produced.
William Mueller, 7 time Jeep owner, a ZJ, WJ, 2 XJs, 2 TJs, and an SJ. The best engine to put into a Jeep Wrangler is one that will still allow you to pass emissions and still work with all your factory electronics. As such, you need to limit yourself to, preferably Jeep, but at a minimum MOPAR.
Jeep doesn't offer its all-new 2018 Wrangler with a V8, but a shop in Florida changed that, dropping in a small-block Chevy under the hood. The conversion retains the Wrangler's eight-speed automatic transmission too.
Jeep will only offer the diesel with four-door Wranglers with four-wheel drive and an eight-speed automatic transmission. The four-door Wrangler, called the Wrangler Unlimited when it debuted, accounts for 90 percent of Wrangler sales. The 2020 Jeep Wrangler EcoDiesel should be in dealerships any day.
The Jeep Wrangler will finally add a diesel engine for the 2020 model year. The diesel comes standard with an engine start-stop system, and the eight-speed automatic transmission is a new unit that is set up to deal with the engine's increased torque output.
The Allison 1000 is the best option, and it's now possible to reliably and affordably put it behind the Cummins engine! For the 6.7L Cummins you can use the factory shifter, and for older trucks you can purchase a new shifter, which can be installed in a matter of minutes and still has all factory functionality.
Good Engine Swaps
| Engine | Horsepower | Brand Compatibility Ease |
|---|
| 3.6L V6 Pentastar | 285 hp | Stock |
| 2.0L Turbo I4 "Hurricane" | 270 hp | Stock |
| 3.9L Cummins 4BT | 105 hp | No |
| 6.2L Hellcat | 717 hp | Yes |
The first diesel-powered Jeep Wrangler is expensive but good. If you want a diesel-powered two-door Wrangler, though, you're out of luck. The turbocharged 260-hp 3.0-liter diesel V-6 is limited to the more popular four-door models, but it is available in all trim levels.
A second generation, introduced in 2014, promised improvements in reliability, fuel economy and emissions. Installed in 2014-16 Ram pickups and Jeep Grand Cherokees, the wayward second-generation EcoDiesel was pulled from the market when it was found to be in violation of emissions standards.
The 2020 Jeep Wrangler with the 3.0-liter diesel V6 will add a total of $6,000 to the SUV's price, according to JL Wrangler Forums citing a dealer order sheet. The engine will actually add $4,000 to the bottom line, but it will only be available with the eight-speed automatic that will be an additional $2,000.
2020 Jeep Gladiator. Highs Genuine trail-rated capabilities, undeniable Jeep character, significant towing capacity. Lows Diesel engine not available yet, one-size-fits-all configuration, pricier than the already pricey Wrangler.
The Used 2017 Jeep Grand Cherokee Diesel is offered in the following styles: Limited 75th Anniversary 4dr SUV (3.0L 6cyl Turbodiesel 8A). The Used 2017 Jeep Grand Cherokee Diesel comes with rear wheel drive. Available transmissions include: 8-speed shiftable automatic.
Jeep JK LS Engine Swaps 2007-2018. We offer a few different options for installing a GM LS based engine into your Jeep JK. DIY: Do it yourself conversion components. You purchase the parts needed and do the swap in your garage at your own pace or until you run out of beer.
That, however, is about to change for the 2020 Wrangler four-door, called the Unlimited, which adds a diesel powertrain as an option that delivers big gains in fuel economy and torque. The diesel joins the turbocharged four-cylinder and V-6 gasoline engines to give the Wrangler Unlimited three engine options.
The 4BT—which stands for four-cylinder, B-series, Turbocharged—was used mostly in midsize box trucks, agricultural equipment and small industrial vehicles, and is basically a smaller version of the popular 5.9L 12V Cummins found in the 1989-98 Dodge trucks.
