Automotive Design and Production

FEB 2016

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Although the Titan XD premiered with the Cummins 5.0-liter V8 diesel under its hood, Nissan has also developed a 5.6-liter V8 for the pickup. The "Endurance" engine provides 390 hp @ 5,800 rpm and 401 lb-ft of torque @ 4,000 rpm. It features direct gas injection and "Variable Valve Event & Lift" technology (which combines hydraulically controlled variable valve timing with electronically controlled variable valve lift on the intake and exhaust side). It is mated to a seven-speed automatic with adaptive shift control and downshift rev matching. The Endurance is assembled at the Nissan engine facility in Decherd, Tennessee. The bed features a track system along the walls, bed foor and header tracks. Heavy-duty aluminum alloy cleats can be positioned where necessary. Also note the fush LED bed rail lighting. But Miller says that ¾-ton trucks like the Ram 2500 are too much for many people, people who are more aligned to ½-ton trucks. So here is the big diference that the Nissan developers went after when creating the 2016 Titan. Miller suggests that over the years there has been a regular one-upsmanship going on among the truck builders as they keep increasing the towing capacity ofered by their trucks. But he points out that things like horse trailers really haven't gotten all that much bigger over the years. So what's the point of having, say, 15,000 pounds of towing capacity? With the Titan, Miller says, they've basically gone back to the characteristics of what defned a ¾-ton truck—in 2003. 310 hp. 550 lb-ft of torque. Depending on the trim level and the drive system confguration, the towing capacity of the Titan XD ranges from 10,608 pounds to 12,314 pounds., puting the truck in between light- and heavy-duty oferings from the competitors. And while on the subject of towing, they've deployed some non-machined-or-welded tech- nology to facilitate it, such as ofering a rearview monitor on a 7-inch display with trailer guides to make backing up to the thing to be towed quite simple. In addition to which, there is the ability to check whether the trailer lights are working by using the keyfob instead of having someone out back giving the driver the high sign. While one might think that Nissan doesn't have a whole lot of experience with trucks, it is worth noting that they have a rather extensive commer- cial vehicle business, so they went to that knowl- edge base for the Titan XD frame development. The frame is a fully boxed, extensively reinforced, full-length ladder design. The front suspension is a double-wishbone with a stabilizer bar, and there are hydraulic cab mounts; the rear uses leaf springs and twin- tube shocks. The axle is from American Axle Manufacturing. The rear dif is 13-inches with 3.5-inch axle tubes; the front dif is 9.25 inches. There are disc brakes all around. Steering is a recirculating ball-type with a parallel rod steering linkage. This time it is diferent for Nissan. While at the launch of the frst-generation Titan it was almost as though there was a box that needed to be checked to supplement its car, SUV and crossover oferings, the company has a commercial vehicle lineup now, so it is more fully engaged in what's required by the trades. Which explains, in large part, why it has launched its all-new Titan with a diesel rather than the gasoline V8, underscoring the industrial-strength nature of its undertaking. The 5.0-liter Cummins V8 turbodiesel features a compacted graphite iron block and aluminum heads; the valve covers are composite. The diesel exhaust system uses a particulate flter and a selective catalytic reduction system to handle emissions. 22 TITAN XD

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