2020 Jeep Wrangler Unlimited EcoDiesel [US]

2020 Jeep Wrangler Unlimited EcoDiesel [US]

The most capable SUV ever will soon be available with the most fuel-efficient and highest torque-rated Wrangler engine ever with the introduction of the new 2020 Jeep® Wrangler EcoDiesel. The expected fuel economy ratings will deliver the highest driving range on one tank of fuel ever for Wrangler. Wrangler four-door models will offer the new 3.0-liter EcoDiesel V-6 engine, rated at 260 horsepower and 442 lb.-ft. of torque, with engine stop-start (ESS) technology standard. To handle greater torque loads, the EcoDiesel V-6 connects to a newly added TorqueFlite 8HP75 eight-speed automatic transmission, calibrated for low RPM shifts and the on- and off-road rigors of Jeep Wrangler duty. There are more than 40 individual shift maps to optimize shift points for fuel economy, performance and 4x4 capability.

2020 Jeep Wrangler Unlimited EcoDiesel [US]

All Jeep Wrangler EcoDiesel models - Sport, Sahara and Rubicon - feature third-generation Dana 44 front and rear heavy-duty axles. Additionally, all Wrangler EcoDiesel models feature a 3.73 axle ratio. Two transfer cases are offered: the Rock-Trac two-speed transfer case with a 4.0:1 low-range gear ratio on Rubicon models and the Command-Trac part-time two-speed transfer case with a 2.72:1 low-range gear ratio on Sport and Sahara models. These upgrades build on the EcoDiesel V-6 engine's previous success, the attributes and performance of which made it a winner of "Wards 10 Best Engines" for three consecutive years (2014, 2015, 2016). The 3.0-liter EcoDiesel V-6 uses dual overhead camshafts (DOHC) with four valves per cylinder and a 60-degree angle between the cylinder banks. The block is cast with compacted graphite iron, which provides strength to dampen vibrations, but weighs less than gray cast iron. A compacted graphite iron bedplate adds rigidity to the block.

2020 Jeep Wrangler Unlimited EcoDiesel [US]

The EcoDiesel V-6 engine uses a forged steel crankshaft and connecting rods for strength and durability. The aluminum alloy pistons are cooled on the underside via oil jets. Heat-treated aluminum cylinder heads use individual bearing caps to reduce friction and minimize NVH. The chain-driven overhead camshafts employ roller-finger followers. The diesel engine's turbo Charge Air Cooler (CAC) is located at the base of the grille, in front of the radiator, to maximize cooler temperatures. The CAC uses the same mounting position as in the four-cylinder gasoline turbo engine, helping to reduce complexity. A new 5.1-gallon diesel exhaust fluid (DEF) tank is located immediately behind the fuel tank with refill location next to the diesel fuel filler. DEF refills align with oil changes lasting up to 10,000 miles. Levels are monitored via a new DEF gauge in the front cluster. The 3.0-liter EcoDiesel V-6 engine is produced at the FCA Cento facility in Ferrara, Italy.

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