Diesel Power - - Diesel Tech -

CON­VERT­ING OLDER ve­hi­cles with Cum­mins 3.9L 4BT and 5.9L 6BT diesels has been pop­u­lar for decades, be­cause the en­gines are well-known for their sim­plic­ity, ef­fi­ciency, avail­abil­ity, and re­li­a­bil­ity. But they are old and not re­ally that well suited for fit­ting un­der the hoods of lighter pick­ups, such as the Nis­san Fron­tier, Toy­ota Ta­coma, and Ford Ranger, or SUVs, such as Jeeps, Ford Bronco IIs, Toy­ota 4Run­ners, Land Rovers, and Range Rovers.

En­ter Cum­mins Re­power’s turnkey R2.8L tur­bod­iesel engine. It’s ideal for retrofits into Jeeps, com­pact pick­ups, smaller SUVs, or any ve­hi­cles with less than a 4,000-pound curb weight. The high­tech, elec­tron­i­cally in­jected com­mon-rail R2.8L I-4 weighs just 503 pounds and makes 161 hp at 3,600 rpm, with 267 lb-ft of torque at 1,800 rpm. (With tun­ing only, shops such as Bruiser Con­ver­sions are al­ready see­ing 225 hp and 415 lb-ft of torque from R2.8Ls they’ve put in Jeeps.)

That’s in com­par­i­son with the 3.9L 4BT, which tips the scales closer to 750 pounds while pro­duc­ing nearly iden­ti­cal torque and 50 per­cent less horse­power than the stock R2.8L. When it comes to con­ver­sions, the bulky 4BT is a pain to in­stall, while the com­pact R2.8L is pretty much drop-in, plug-in, and turnkey.

The ready-to-run Tier 1 crate engine, which re­tails for $8,999, is a 50-statele­gal, E.O.-cer­ti­fied pack­age. It in­cludes the ECM, throttle pedal and ca­ble, CAN dis­play, OBD II port, fire­wall bulk­head con­nec­tor, dash­board-in­te­gra­tion wiring har­ness, starter, vac­uum pump, power-steer­ing pump, al­ter­na­tor, eight-rib belt and pul­leys, re­mote oil and fuel-fil­ter sys­tems, and uni­ver­sal bracket to mount air-con­di­tion­ing equip­ment. All this diesel needs to run is fuel, 12 volts, the ap­pro­pri­ate cool­ing sys­tem, and a suit­able frame to call home.

As of this writ­ing, the Cum­mins R2.8L crate of­fer­ing is by far the big­gest blip on the re­power radar, with many cus­tomers wait­ing for a back­log to end. Just wait un­til Cum­mins makes the 5.0L V-8 that’s cur­rently found in the Nis­san Ti­tan XDs a re­power op­tion. There’s se­ri­ous chat­ter on the ru­mor mill about that pos­si­bil­ity. If it’s true, we be­lieve the diesel con­ver­sion mar­ket will re­ally ex­plode!

Cum­mins Re­power is set­ting the con­ver­sion mar­ket on fire with the R2.8L CRD tur­bod­iesel crate engine pack­age that makes DIY turnkey swaps a piece of cake.

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