Hitting the Road in Volvo’s All-New VNR
Volvo Trucks’ revised VNR brings updated safety tech, improved fuel economy and driver comfort features to the regional haul segment.
Volvo Trucks has continued its rollout of new models for every sector of the commercial truck market.
The redesigned VNR is the latest model to see the spotlight. The new VNR naturally carries all of Volvo’s latest safety tech, but also prioritizes maneuverability, fuel efficiency and configurability for a wide variety of fleet uses.
“The VNR is an incredibly versatile truck,” said Maddie Sullivan, product marketing manager. “There are so many different configurations to meet our customer’s needs. We offer four different cab sizes, three different axle configurations and two different chassis configurations.”
SAE Media was invited to drive the new VNR, which entered series production in February, at Volvo’s assembly plant in Dublin, Virginia. We were also granted the opportunity to sit down with Peter Voorhoeve, president, Volvo Trucks North America, to discuss the importance of the VNR in Volvo’s global portfolio.
Regional appeal
Sullivan led a presentation covering the features of the latest VNR at a high level. The VNR is aimed principally at the regional haul market with day cab, sleeper cab, box truck and rail configurations.
“The VNR has incredible maneuverability and the ability to adapt to its environment,” Sullivan said. “Customers expect greater maneuverability for local, regional specialized applications. The VNR has a much flatter nose than the VNL, which is what gives it that ability to operate within tight spaces.”
Sullivan continued, “We have two different exterior trim packages. The Core trim is our more durable package. The bumper end caps are made of a tough molding color plastic, so they have a uniform look while being easily replaceable. The Edge trim offers chrome and body color accents to give customers that premium look.”
The Edge trim also uses soft touch plastic in the interior for added driver comfort, as well as pre-selected upgrades for technology and amenity packages for features like wireless charging and automatic headphones.
Sullivan also highlighted the updated VNR’s safety features. “The VNR is built on our global proprietary Volvo Active Safety Platform, and that’s what enables all the new safety features.”
A side curtain airbag system is available as well as an automatic E911 system that will contact emergency services in the event of an accident. These features pair with Volvo’s automatic emergency braking system and lane departure monitoring. Sullivan also stated that the VNR’s blind spot monitoring system has been vastly improved over the legacy VNR.
One of the most advanced safety features available on the VNR is Volvo’s dynamic steering system, which adds torque via a column-mounted electric motor to reduce steering strain at low speeds, both in forward and reverse. VDS can also make adjustments to improve stability when encountering crosswinds, highway crowning, soft shoulders or emergency situations like tire failures. The VDS system also damps vibrations from rough roads and has an automatic return-to-center feature that can bring the wheel back to a neutral position automatically.
Fuel sipper
Volvo claims that the new VNR is up to 7.5% more efficient than the outgoing model. Those gains come not just from aerodynamic improvements, but also from tweaks to the D13 engine that has already been in service in the VNL.
The VNR now benefits from the same seven wave piston design with a shorter height, as well as a longer connecting rod. According to Volvo, this design minimizes cylinder sidewall pressure, decreasing friction and improving overall performance. These improvements provide smoother internal movement, reducing parasitic loss and increasing efficiency and engine longevity.
The injection system uses smaller injector needle control valves. Volvo states that the valve size reduction provides for more precise and rapid control over the fuel flow rate out of the injector tip, leading to improved fuel atomization, better combustion efficiency and enhanced engine performance. The water pump is a variable speed design, and the oil pump can vary its output as well.
The VNR can be equipped with the D13 variable geometry turbo engine with seven ratings ranging from 405-455 hp (302-339 kW) and 1,450-1,850 lb-ft (1,966-2,508 Nm), or the D13 compound engine with three ratings between 405-455 hp and 1,750-1,850 lb-ft (2,373-2,508 Nm).
Like the VNL, the VNR will now feature Volvo’s latest I-Shift transmission. Volvo claims up to 30% faster shifting speeds compared to the I-Shift’s predecessor. The increase in shifting speeds was reportedly achieved through a comprehensive overhaul of the gearbox’s software, electronics and clutch mechanisms.
Redefined algorithms, a reduced clutch throw and an enhanced clutch brake system were all contributing design changes to significantly reduce the transition times between gears. The VNR can be equipped with either a 12- or 13-speed I-Shift transmission.
Testing time
Volvo’s assembly plant in Virginia offers a roughly 2.5-mile (4.0-km) testing loop as well as a skid pad where SAE Media was able to get behind the wheel of the VNR. Several variants were on hand, including a tractor trailer, flat bed and rollback.
Volvo’s representatives wanted us to experience the full suite of VNR features, including the dynamic engine brake, digital mirrors and downhill cruise control. John Moore, product marketing for Volvo Trucks, was one of the chaperones for our excursion in the VNR.
Volvo’s dynamic engine braking system has three modes, each with varying levels of output. According to Moore, full engine braking is roughly 500 horsepower. The function can be used in tandem with the downhill cruise function. “When you click on the system as we go downhill, it’ll actually keep the truck at a speed going downhill that you can move by hitting the plus and minus buttons,” Moore said.
“The first setting is about 30-percent brake, the second one’s about 60-percent, then the last setting is full engine brake capacity,” Moore explained. “When you go to full braking, it’ll downshift the transmission to slow the truck as well.”
Volvo’s test track has enough elevation changes to demonstrate all aspects of the downhill cruise control system. Moore walked us through the various levels of speed management it can provide the driver in tandem with the dynamic engine brake system.
“What’s really nice about the system is that no matter how fast you’re going and what grade you’re on, you can control your speed downhill based on what the traffic’s doing. You also have an electronic park brake. This is also a new feature. If you release your seatbelt, a light will come on,” he explained. “It’s also going to turn your park brake on at lower speeds if the door opens.”
Moore also provided additional details on Volvo’s dynamic steering system. “It’s still a traditional hydraulic steering system, but we put an electric motor on top of it to help make the driver’s life easier.”
Volvo set up a cone course on its skid pad to demonstrate the difference in feel between a VDS-equipped truck and a standard unit. While the standard system isn’t exactly like turning a mill stone by hand, the VDS does a fantastic job of varying the effort level at low speeds while still retaining a natural feel.
Volvo’s cone course included multiple 90- and 180-degree turns in rapid succession, an artificial section of rapid bumps to demonstrate how the system damps harsh impacts, and a simulated loading dock. While nobody was handing out CDLs at the end of our drive, we managed to not flatten any cones on our runs through the course and were pleasantly surprised with how natural the VDS felt in tight maneuvers.
The big picture
After our time behind the wheel of the VNR, we sat down with Peter Voorhoeve, president of Volvo Trucks North America, to discuss the importance of the VNR in the company’s lineup and what Volvo’s growth goals are for the regional haul market.
“When we first introduced the legacy VNR, we were not so strong in the regional haul segment,” he said. “In 2017, we created a significantly stronger position and now, with the all-new VNR, we will continue to be a major player in that segment.”
“It is our belief that the VNL and the VNR will drive more market share because the new product is significantly better than the previous one,” Voorhoeve continued. “The Legacy VNL and VNR were both based on a platform we introduced in 1996. This is a completely new platform with a new safety suite. This is a truck that will help our customers to be more competitive and more comfortable. Based upon that, we believe we will see an increased market share.”
Voorhoeve also discussed what he felt were the main bits of DNA that the new VNR will carry forward from the legacy model. “For me, a very big development is the safety suite. If you do something that everybody does, you don’t really distinguish or differentiate yourself.”
“Of course, at Volvo, we are known for our safety. We have a leading safety suite in all our cabover models. So, one of the most important decisions for the VNL and VNR was that we were going to build our own safety suite. In the end, safety is very important to us, so why on Earth would we outsource that?”
Voorhoeve continued, “The other very important difference is the electronic architecture. We went from 12 to 24 volts. That in itself was not a goal. The reason we did that is that we have so many more needs from electronic architecture both now and in the future. The communication speed in the electronic architecture will only increase, and you need that in order to help the driver make split-second decisions. The electronic architecture we have right now is superior to what we’ve ever had before.”
Voorhoeve also touched on the importance of autonomy in Volvo’s current and future product plans, as well as the state of AI in the industry. “Transport will always be necessary,” he said. “But we will be seeing more autonomous trucks.” Autonomous Volvo trucks are currently operating several routes between Houston and Dallas and El Paso and Dallas via a partnership with Aurora.
“There’s a lot of trends, and we’re not all-in on just one idea. There will be a specific place for autonomous tricks, but it is not like, ‘Let’s buy an autonomous truck and program every day where the truck will go.’ It will be like a train; it will go in between two hubs.”
Regarding AI and its effect on the commercial trucking industry, Voorhoeve was bullish but grounded. “I think AI is about where autonomy was a couple of years ago. You go through a hype cycle and so on. We have dealers telling us they want AI, and we use AI in various processes – be that for demand planning, warranty handling or service contracts. But ultimately, a truck will be put together for people.”
A new legacy
While the outgoing VNR had its roots firmly planted in Volvo’s past, the latest model is looking squarely into the future in terms of current and upcoming tech. It’s clear that Volvo intends to retain the DNA that has made its trucks what they are over the past 50-plus years. But more than ever, the company is planning ahead to determine how to keep that blueprint intact for the coming decades.
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