New Cummins Crate Engines to Provide Enthusiasts with Clean, Powerful Alternative

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Caption: Anything Scout, an Ames, Iowa (U.S.A.) company, has seen significant fuel efficiency gains using the R2.8 Turbo Diesel to repower a classic Scout.


“Without question, the environment is very important to Cummins,” said Jeff Caldwell, Executive Director of Cummins’ Global Pickup/Van Business. “We’re excited to provide enthusiasts with a cleaner and much more fuel-efficient engine than their original, or even a junkyard Cummins swap.

“Cummins Repower will allow them to enjoy their iconic vehicles that much more,” he said. “There are certain vehicles people just won’t discard. We want to help make those vehicles as clean, reliable, economical and enjoyable as possible for many years to come.”

The crate program was born after customer surveys identified significant demand for Cummins engines in the consumer aftermarket. Typically, the company’s engines are sold to truck manufacturers or truck fleets, often in large numbers. Cummins Repower is called a “crate” engine program because customers will be able to purchase engines in small volumes – as few as one – and they will arrive in crates.

The first Cummins Repower offering will be the R2.8 Turbo Diesel, including an alternator, power steering pump, cam-driven vacuum pump, remote mounted oil filter and a universal wiring harness to ease the installation process for many different vehicle models.

Initial testing focused on an R2.8 installed into an otherwise stock 2000 Jeep® Wrangler® in place of the Jeep’s original 4.0L gasoline 6-cylinder engine. The vehicle not only gained higher peak torque with the R2.8, but the amount of accessible peak torque across the RPM band also increased.

In addition to the performance gains, preliminary testing indicates that the R2.8 more than doubled the fuel economy of the Jeep while meeting the Transitional Low-Emission Vehicle (TLEV) LDT2 emissions standards for that particular gasoline engine vintage.

With mileage numbers of 30.8 mpg on the highway and 25.8 mpg in the city as compared to a stock 1997 Jeep Wrangler TJ with a 4.0L’s rating of 16-18 mpg highway, 13-15 city, the Cummins-powered Jeep had a carbon dioxide (CO2) emissions improvement of over 25 percent.

The first end customer for the program worked with Anything Scout of Ames, Iowa (U.S.A.) to rebuild a 1967 Scout 800 on a modified brand new Jeep Wrangler chassis with all modern components. The company, which regularly uses V8 crate engines for their builds, was very happy with the performance and fuel economy of the R2.8 Turbo Diesel during a 3,500 mile “shake-down” run driving to the West Coast and back.

“We have never seen better than 18 mpg with our fuel injected V8 swaps and we were thrilled to be getting 25 miles per gallon on the first long drive from Iowa to Arizona,” said Sean Barber, owner of Anything Scout.

“We have customers who bring us their grandfather’s truck and ask us to restore it back to original looking condition, but they want them to also be usable so that’s when we transplant modern running gear under the classic steel,” he said. “These vehicles have large tires and aren’t aerodynamic – so to be getting 25 miles per gallon with no smoke or smell is amazing.”

Certification work is underway using the California Air Resources Board’s (CARB) Executive Order process to ensure that every Cummins Repower engine sold has clear guidelines as to the specific vehicle classification and vintage for which it is qualified to be installed.

Cummins is also working closely with the Specialty Equipment Market Association® (SEMA) and other key SEMA members to prepare the market for genuine Cummins Repowers. The SEMA Garage™ provides members the necessary access to the Cummins Repower products, enabling them to bring their own ancillary products to market, with the result for the enthusiast being a plug-and-play option for every step of the installation.

Full production of the R2.8 is anticipated in the fall of 2017. Future engine family introductions into the Repower product lineup will be announced at later dates.

There’s a bit of nostalgia in the program for Cummins, which really hasn’t sold engines in quite this way since the company’s namesake and founder Clessie Cummins was in charge.

“Clessie Cummins repowered automobiles, race cars, buses and trucks, demonstrating the benefits of the diesel engine over their original power plants.” Caldwell said. “Nearly 100 years later, we are proud to be continuing the legacy of our namesake by enabling passionate enthusiasts to repower their iconic vehicles for the same reason Cummins repowered his own.”



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  • Garry Davis says:
    June 16, 2017 at 9:15 am Reply

    What a great program! I would love to have one of these in my 2009 Jeep Wrangler.

  • John Dice says:
    June 16, 2017 at 9:48 am Reply

    what transmissions and or adapters will bolt onto this engine

  • Cory Feldhege says:
    June 16, 2017 at 4:54 pm Reply

    I want to say that I think this is a brilliant strategy from both a business perspective, but also an environmental one as well. As an enthusiast and a long time Cummins employee, I like many others have tried to find ways to repower our “toys” with Cummins power. The options were very limited and with the new technology products such as the current ISB and ISV motors, a factory engineered solution is very appealing. I cannot wait to see how this product line grows.

  • Brent Blackburn says:
    June 20, 2017 at 2:09 pm Reply

    Both Jeep and Cummins brands are iconic and highly regarded. Repowering my 2001 Jeep Wrangler TJ with a Cummins provides the best of both. I’m confident this appealing combination will attract many Jeep enthusiasts. Best of luck with this program.

  • Joshua Jolliff says:
    June 21, 2017 at 9:40 am Reply

    I’m excited to see this program take off! I would be interested in repowering old F150’s with Cummins products. Perhaps swapping a 5.0 gasoline V8 with a new 5.0 Cummins diesel V8.

  • TylerFugal says:
    June 21, 2017 at 10:58 am Reply

    Would I have too make custom engine mounts too use the motor?

  • Rodolfo Ayala says:
    July 31, 2017 at 1:54 pm Reply

    Dear Sirs :
    I am interested in repower my old and classic Willys truck 1954, I am thinking about Cummins ISF2.8 or 3.8, but where is the website for buy it ?

    Rodolfo Ayala.
    (+57)317 668 5501.

  • David Widman says:
    August 10, 2017 at 12:23 am Reply

    Hey Cummins. I had a 2005 Dodge 2500 with your 5.9 Cummins. Was a great engine and great truck. Now I’m running a 2012 dully with your 6.7. Just as good as the first one. I pull a 38 foot 5th wheel with the 3500. Truck and trailer weighed in at a CAT scale at 29,980, so you know I’m using ever bit of that Cummins. I’ll give you a suggestion though. One of your engineers ought to sit down with Dodge, now called Ram, and suggest that YOU build the air filter system. Both trucks had a foolish air tube in their system that was restrictive as hell. I put a drop cord with a 100 watt bulb at one end, and not a bit of light was seen at the other end. My 2005 took a KnN filter system and my 2012 took an AFE system. The AFE system is the only mod, that went from the turbo to the atmosphere. BOTH systems perked up both trucks an unbelievable amount. Power and mileage. Just a suggestion. Thank you very much, Dave Widman

  • Nick Gomez says:
    August 11, 2017 at 5:49 am Reply

    This is AWESOME! I wonder if we could repower 1980s/1990s Toyota Hilux vehicles in Asia with these engines?


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