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Volvo Introduces New 16-Liter, 700hp Euro 5 Truck Engine
8 January 2009
Volvo has introduced a new 16-liter heavy-duty diesel engine that delivers 700 hp (523 kW) of power and 3,150 Nm (2,323 lb-ft) of torque. The Volvo D16G is a further development of Volvo’s previous D16 engine that produced 660 hp. Despite the higher power, fuel consumption remains the same as in the previous engine generation.
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| The D16G. Click to enlarge. |
In addition to the extra 40 horsepower and somewhat higher torque, the new engine reduces emissions of NOx by 40% compared to the previous engine. The new 16-litre engine is certified for the new Euro 5 emission requirements that come into force on 1 October 2009.
Through a number of measures including redesigned pistons, Volvo’s engineers optimized the combustion process and met demands for high performance combined with efficient fuel utilization, low emissions and long lifetime. Both maximum power and maximum torque span a wider rev range than before. The engine now also features a new oil thermostat that has a favorable effect on fuel consumption.
The noise level during idling has been lowered by 2dB(A). With the help of pre-injection, where a small amount of fuel is sprayed into the cylinder, the result is a gentler combustion sequence and a far lower noise level.
The engine uses a new and larger system for exhaust aftertreatment. Since the system can handle a larger flow of exhaust gases, counter-pressure is reduced and power losses are minimized. A larger-capacity system also results in better cleaning capacity. Just as before, the SCR (Selective Catalytic Reduction) system is used.
The Volvo D16G is equipped as standard with a new, electronically controlled exhaust brake (EPG) with an output of 230 kW. Electronic control makes it possible to reduce the number of moving parts, promoting simpler operation, higher reliability and lower weight. There is also the option of the Volvo Engine Brake, VEB+, with 425 kW braking effect.
The new Volvo D16G is also available in 600 hp/2,800 Nm and 540 hp/2,650 Nm variants.
Volvo has applied the engine in the Volvo FH16 truck.
January 8, 2009 in Brief | Permalink | Comments (3) | TrackBack (0)
Comments
Posted by: arnold | January 08, 2009 at 06:16 PM
The Volvo Engine Brake is a compression release type engine brake similar to the (mostly outlawed) “Jake Brake” combined with an exhaust brake.
The Jake Brake, pops the exhaust valve open at TDC after compression and dumps all the compression energy (this makes that once familiar LOUD machine gun sound as old Diesel trucks decelerated or descended hills). An exhaust brake simply shuts a valve in the exhaust manifold and lets back pressure soak up energy. By combining the two you eliminate the noise that made the Jake brake illegal but since the Jake brake now dumps the compression to a pressurized exhaust manifold it will not actually dump as much, so, they pop the exhaust valve open at the start of the compression stroke to dump the pressure and also add more compression work.
Sounds effective but adds a bit of activity and hardware in the valve area.
In the old Jake brake they just linked the exhaust valve to the injector cam for braking - instead of injecting fuel, it popped the valve.
Posted by: ToppaTom | January 08, 2009 at 09:33 PM
I think your'e correct.
I was thinking of these.
Apparently more likely to be found on coaches as a quieter option or for engines with hydraulic lifters where exaust brake systems interfere with valve operation by resetting the lifter.
http://72.14.235.132/search?q=cache:rQwK78t_LFYJ:www.embarq.wri.org/documentupload/Danielsson_BRT%2520New%2520Vehicle%2520Technologies.pdf+vehicle+hydraulic+retarder&hl=en&ct=clnk&cd=33
ZF transmissions
Ecomat Series
* 4,5 or 6-speed with Hydraulic Retarder and Neutral on Vehicle Stop (4/5/6 HP 500/590/600) 1980–2002
* 4,5 or 6-speed with Hydraulic Retarder and Neutral on Vehicle Stop (4/5/6 HP 502/592/602/C) 1997–present
* 6 speed with Hydraulic Retarder and Neutral on Vehicle Stop (6 HP 504C/594C/604C) 2006–present
6 speed
* Ecolife with Hydraulic Retarder 2006–
Allison wtec transmission with hydraulic retarder.
The Volvo Hybrid Solution
Hybrid Features and Performance
• Recuperate brake energy for storage and later
use
• Regenerative braking
• Up to 35% fuel consumption reduction
• No emissions when in electrical motor mode
• Idle avoidance
• Electric power take off
• Torque assistance
• Electric powered auxiliaries
• Reduced maintenance on brakes
Volvo B12MA high floor articulated, cont.
• Mid engine –enhanced weight
distribution, puller concept
• Powerful driveline, 12 litre
engine, 340 Hp, 1,700 Nm, unit
pump/injector fuel injection,
advanced EMS
• Automatic gearbox with
hydraulic retarder
• Euro III-V emissions
• Full A/C
• Disk brakes with ABS
• Multiplex chassis electrical
system
• State of art drivers place
Volvo B9SALF low floor articulated, cont.
• Powerful driveline, 9 litre
engine, 310/360 Hp,
1,400/1,600 Nm torque, unit
pump/injector fuel injection,
advanced EMS
• Automatic gearbox with
hydraulic retarder
• Euro III-V emissions
• Full A/C
• Disk brakes with ABS
• Multiplex chassis and body
electrical system
• State of art drivers place
Posted by: arnold | January 09, 2009 at 02:58 PM
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Engine Brake, VEB+, with 425 kW braking effect.
No info as to where this 425 goes, presumably hydraulic.If this was into kers or some hybrid setup, one would expect fuel savings and other goodies will be even better. For example 80 kgs of F.D.I. Hi-caps would absorb mop this.
That the design has opted for more power (and reliability) over fuel savings suggests the need for more H.P. So I'll argue the extra HP from a hybrid system would be a benefit and reduce fuel consumption.
Also supply Idle off power for fridge trailer ,lights aircon, steering or other.
Both and.
Volvo we know are well involved with hybrid applications and its not reasonable to expect every offering to score a perfect 10.
No information as to how the pre conditioning to the primary injection is achieved.
Piezo, electronic solenoid?