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Discussion Starter #1
Here you will find a lot of what you need to know about the ISV 5.0L Cummins Engine in the new Nissan Titan, along with it's brochure: Nissan Titan Diesel Cummins ISV5.0 Spec Sheet - Cummins Inc. (click to view or right click & save link as)


Nissan Titan 5.0L Cummins ISV Diesel Specs:

  • Advertised Horsepower: 200-275 hp/149-205 kW
  • Peak Torque: 520-560 lb-ft/705-759 Nm
  • Governed Speed: 3400 rpm
  • Peak Injection Pressure: 2,000 Bar/29,000 psi
  • Number of Cylinders: 8
  • Bore and Stroke: 3.70 in x 3.54 in/94 mm x 90 mm
  • Number of Valves: 4 per cylinder
  • System Weight: 899 lbs/408 kg
  • Engine (Dry): 804 lbs/365 kg
  • Aftertreatment System: 95 lbs/43 kg


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Features:

VGT™ Turbocharger from Cummins Turbo Technologies
The VGT Turbocharger’s patented design is widely recognized as the industry leader for performance. Precision boost control across the speed range delivers performance and fuel economy.

High Pressure Common Rail (HPCR) Fuel System – Higher injection pressures with Piezo fuel injectors produce precise fuel control for optimized in cylinder combustion delivering quick throttle response, quieter operation, better cold-weather starting and better fuel economy.

Cummins Aftertreatment System from Cummins Emission Solutions – Proprietary system features a Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) technology for better fuel economy with near-zero emissions.

Compacted Graphite Iron Block – Advanced materials technology provides a combination of high strength at reduced weight for a higher power-to-weight ratio, exceptional performance and fuel economy.

Dual Overhead Camshafts – Dual Overhead camshafts deliver high speed capability that improves engine performance. This design enables cost-effective hydraulic adjustment with no maintenance required.

Forged Steel Crankshaft – The crankshaft is created from high-strength, durable micro-alloy forged steel, precision ground for increased durability with smooth, quiet operation.

Advanced Glow Plugs – The advanced ceramic glow plug system significantly reduces startup time in cold weather conditions and the low current draw reduces vehicle charging system requirements. Unlike traditional bi-metal style glow plugs, these ceramic glow plugs are designed to last the life of the engine.

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Overview

Cummins ISV5.0 goes beyond the traditional diesel attributes of horsepower, torque, reliability and durability to deliver the next dimension of performance. Cummins global diesel design expertise has combined advanced materials, the latest High Pressure Common Rail (HPCR) fuel system, Cummins VGT Turbocharger and Cummins emission control technology to produce an extraordinarily clean, quiet and fuel-efficient V8 diesel engine. The ISV5.0 is ideally suited for pickup and delivery vehicles, school buses, light- and medium-duty trucks and motorhomes. And Cummins commitment to service support has never been stronger. That’s taking total performance to the next dimension.

Better Fuel Economy. Big Savings.
Switching from a gasoline V8 to the Cummins ISV5.0 V8 diesel significantly reduces your cost of operation, as diesel fuel economy is typically 20-40% better than a V8 engine of comparable performance. The ISV5.0 combines the latest in Cummins combustion technology, with advanced weight-saving components that include a compacted graphite iron (CGI) block, and high-strength aluminum alloy head and composite valve covers. The high power-to-weight ratio of the ISV5.0 helps you get the most out of every gallon of fuel.

Proven Technology With A Clear Advantage
The ISV5.0 utilizes Cummins advanced technology that has been proven effective and reliable in the toughest on-highway applications. This includes a HPCR fuel system, dual overhead camshafts and the Cummins VGT™ Turbocharger. The Aftertreatment System from Cummins Emission Solutions is fully integrated with the engine to deliver optimum fuel economy and near-zero emissions. The ISV5.0 will be certified to the near-zero NOx and PM emissions levels required by the U.S. Environmental Protection Agency (EPA) and will also meet 2014 GHG requirements an 2013 Air Resources Board (ARB) standards including on board diagnostics.
 

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Highlights

-Easily fits where a comparable V8 or V10 gasoline engine was housed, while also offering multiple front-end accessory drive options.

-Compacted graphite iron (CGI) block for higher strength and reduced weight.

-High-strength aluminum alloy head and composite valve covers.

-Dual overhead camshafts for improved engine performance.

-Forged steel crankshaft.

-Cummins Turbo Technologies VGT Turbocharger features precision boost control for performance and fuel economy.

-Advanced ceramic glow plugs reduce startup time and last the life of the engine.

-Bosch HPCR (High Pressure Common Rail) fuel system with higher injection pressures and Piezo fuel injectors aid optimal combustion for improved fuel economy and reduced emissions.

-Aftertreatment System from Cummins Emission Solutions that delivers near-zero emissions through use of a Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR); also utilizes cooled Exhaust Gas Recirculation (EGR).

-Horsepower/Torque: 200-275 hp / 520-560 lb.-ft.
 

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Anybody know what High Pressure fuel pump Cummins is using in the 5L?

They use the relatively trouble free Bosch 3 in RAM's big 6, but I've heard of issues with the Bosch 4 pump used in the latest big diesel V8s made by Ford and GMC.

Also I presume they're using chains to run the cam shafts?
 

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Discussion Starter #6
Now that we got to see the all-new Titan XD in full along with a ton of key information, included below you guys will find even more information on the engine ISV 5.0 Engine. All sourced directly from Nissan :D

310 HP WITH 555 LB-FT OF TORQUE
The all-new Cummins 5.0L V8 Turbo Diesel[*] is the heart of the next-gen TITAN XD. This beast of an engine brings heavy-duty attitude and torque to half-ton pickup territory, and does it with better fuel economy than its
gasoline counterparts.

TWO STAGE TURBO
Say goodbye to turbo lag. The Cummins 5.0L V8 Turbo Diesel gets a continuous power boost right through the RPM range, thanks to a first-to-market Holset M2 two-stage turbocharger. You get solid acceleration from the second you put your foot down until you get up to speed.

RESPONSIVE DOHC
The high-revving Turbo Diesel uses Dual Overhead Cams (DOHC) to drive 32 valves (four per cylinder) for precise cylinder firing and maximum airflow through the cylinder heads. The DOHC and the Holset M2 two-stage turbocharger work together to deliver solid performance across the entire power band.

CERAMIC GLOW PLUGS
Even if it gets to -25°F overnight, you still have to get to work in the morning. With advanced Bosch® ceramic glow plugs, you can have your engine firing in less than two seconds even at that bone-chilling temperature. And these plugs were built to last – they’ll be around for the life of the engine, with no maintenance.


LIGHTWEIGHT CGI BLOCK
The new Cummins 5.0L V8 Turbo Diesel gives you maximum durability and power in a lightweight package. Extra weight was shed by building the cylinder block out of compacted graphite iron (CGI), which is stronger and lighter than traditional iron. Other lightweight engine components were added, like high-strength aluminum alloy heads and composite valve covers.


QUIETER ENGINE
Tough doesn’t have to sound rough. The compacted graphite iron cylinder block and dual overhead camshafts contribute to the excellent noise, vibration and harshness (NVH) characteristics achieved by the Cummins 5.0L V8 Turbo Diesel engine.


REFINED WITH HIGH PRESSURE COMMON RAIL (HPCR) FUEL SYSTEM
Forget everything you’ve ever heard from a diesel engine. The new Cummins 5.0L V8 Turbo Diesel is outfitted with the latest Bosch® HPCR fuel system and piezo-style injectors to deliver precise fuel control and multiple injections per combustion stroke, which increases efficiency and drastically cuts down on ‘diesel clatter’.


CLEAN EXHAUST SYSTEM
For decades, diesels had a dirty reputation for being, well, dirty. Technology has fixed all that.The new Cummins 5.0L V8 Turbo Diesel exhaust system has a particulate filter and selective catalytic reduction that enable the engine to run clean. That tech also serves a second purpose – it reduces noise. Power and efficiency is now clean and quiet.
 

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Anybody know what High Pressure fuel pump Cummins is using in the 5L?

They use the relatively trouble free Bosch 3 in RAM's big 6, but I've heard of issues with the Bosch 4 pump used in the latest big diesel V8s made by Ford and GMC.

Also I presume they're using chains to run the cam shafts?
One of the Cummins ISV videos shows chains driving the cams.
 

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One of the Cummins ISV videos shows chains driving the cams.
Yes, I guess with a V-engine it's pretty hard to get away from chains these days.

Also they say above that it uses the "latest Bosch® HPCR fuel system". Guess that would be the CP4.x. Ford claims that they've fixed all the problems with them. I hope so.
 

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Yes, I guess with a V-engine it's pretty hard to get away from chains these days.

Also they say above that it uses the "latest Bosch® HPCR fuel system". Guess that would be the CP4.x. Ford claims that they've fixed all the problems with them. I hope so.
I don't know how true it is but from what I've heard Bosch is blaming our diesel for not being as good of quality as the stuff in europe and increasing internal wear.
 

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I don't know how true it is but from what I've heard Bosch is blaming our diesel for not being as good of quality as the stuff in europe and increasing internal wear.
Yes something to do with lubricity standards being lower in the states. Canada apparently has similar standards to Europe, but we do much of our driving in the states, so ...

A lot of folks add a bit of biodiesel to improve lubricity at each fill up.

And then there's just outright fuel contamination problems. Getting water and/or gasoline in the tank. Fuel pump implodes and spews metal bits throughout the fuel system. No warranty there and it can set you back $10-15K to fix.
 
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Good point, especially about the potential cost which can be quite scary if you have to pay for that out of your own pocket.
 

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A friend of mine bought a duramax brand new and has used Stanadyne performance fuel additive since day one. His engine runs amazing, very smooth and gets excellent fuel mileage. His average is around 12L/100 with a first gen DPF. He also uses synthetic oil. The same year F350 with the powerstroke 6.4L (DPF) using cheap oil and no additive hits barely can get 18L/100km empty.
 
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