At UD Trucks we have a passion for Ultimate Dependability.To always run the extra mile in everything we do. We leave nothing to chance, making sure you get an optimal transport solution for your business. Quester is a great example of this approach. It’s a reliable heavy-duty hero on the road and a champion on saving money for your business.
Quester is the first in a new generation of UD Trucks specifically developed for the world of heavy-duty transportation. It derives from our Japanese quality heritage and insights from our local markets. And it’s the first to be developed with the global resources of the Volvo Group,of which UD Trucks now is a part.
Our passion is to make your working day simpler and more productive. Whatever your line of business, whether it’s long haulage, distribution, construction or mining we have a complete solution for you.
Quester is UD’s most cost-efficient truck ever. Not only when you buy it, but also when you drive it. It cuts fuel costs and maximizes uptime, giving you quick dependable payback that will help you succeed with your business. Quester focuses on the features and benefits that make your business grow. Benefits such as higher productivity,extended uptime and increased fuel-efficiency.
Our aim is to help you to reach your goals. That is why Quester is designed to be enduring like a long-distance runner. And like the best runners it’s built to deliver the extra mile, to run further.
It’s a truck that excels on durability. Robust and easy to maintain, the Quester is a vehicle, a tool that can handle tough daily use, from the highway to the off-road. It stands for great quality that lasts over a long time. This is backed up by a wide range of configurations with easy body mounting offering you a tailored, purpose-built solution for all types of applications. Quester is the optimum transport solution for businesses that want to grow.And we at UD Trucks are your most committed partners.
Leading in fuel-saving economy
Quester is a truly economical vehicle on the road.Every element, from the inside out, is carefully designed to contribute to class-leading fuel-efficiency.
Aerodynamic design
Curving lines and smooth surfaces that save fuel.The high roof design of the Quester is designed for low air drag. It not only looks good, it will save you fuel every mile down the road.
Fuel-efficiency training
We are sharing our global experience and expertise in cutting fuel consumption with all Quester customers.See how much you can save by changing driver behavior.
Cabin for efficient driving
Climb in and discover a workplace made for the long run. Everything is within sight, within reach and easy to control. There are two bunks and plenty of storage for personal belongings.
Heavy-duty durability
Rugged. Robust. Reliable. You need a truck that keeps going, no matter what. Quester is fit for hard work in challenging conditions.
High payload capacity
Due to the robust chassis and strong axles Quester has a competitive load carrying capacity.
Service and support
We are always prepared and constantly working to ensure that everything runs smoothly at your end. We have the parts, the people and the knowledge for the extra mile.
Proven technology
Quester is tried and tested. Each component is the result of years of experience and extensive quality control tests conducted by UD Trucks and the Volvo Group. This will give you a competitive advantage.
A powertrain to rely on
At UD Trucks we are part of one of the worlds largest producers of heavy diesel engines. So our powertrains are real-life tested and built of components with proven reliability and durability.
Wide model range
Quester provides a platform for a wide range of long haul, distribution, construction and mining applications. It can easily be adapted to mount different superstructures.
Easy to maintain
We’ve made maintenance both time-saving and convenient. Quester gives the driver easy access to everything, from oil check to fault codes on the driver information display.
Quester has built-in fuel-efficiency. The wide driveline offer givesthe ability to optimize the powertrain with respect to power output,transmission and rear axle ratio. A well specified powertrain ensures that the engine operates at its peak efficiency at all times, enabling good fuel consumption and high average speeds.
Less fuel per ton carried
Quester has a wide range of different product types such as 6×2T and 8×4R which combined with well dimensioned components and axles offers high GCWs and GVWs. This maximizes the payload and reduces the fuel consumption per ton carried.
Reduced air resistance
Minimizing aerodynamic drag is important since it decreases the wind resistance, leading to better fuel consumption. To reduce drag Quester has the option of fitting roof and side air deflectors. In addition the on-road cab comes as standard with side air vents which also keep the dirt of the side of the cab.
Optimized powertrain
The Quester powertrain delivers best-in-class fuel economy.The two engine alternatives – 8 liters and 11 liters – include a well-balanced combination of features that matter most for fuel-efficiency. You get flexibility to select the power-train combination that best suits your needs. No matter what you choose, you get a trouble-free driveline withhigh-capacity components.
Get 100% control Save up to 30% fuel
The driver is the key to vehicle performance. Pilot studies show a fuel saving of between 5 and 30% when drivers adopt more fuel-efficient driving techniques. In fact, you will see that effective driver training pays off almost immediately.
Actually it’s very simple. In the Quester’s display the driver gets real-time tips on how to operatethe engine for best fuel economy. A telematics system will also be available in the future which collects all the operating data, which will be easily transferred to a computer for analysis. This opens up unique possibilities for better driver management, higher fuel-efficency and pro-active cost control.
Fuel coaching system
Quester comes with a real-time Fuel Coach.The display shows the driver when to shift,brake or accelerate for maximum time inthe engines optimum fuel-efficient rev range,the so called sweet spot. The system issimple to understand and easy to use.
Fuel-efficiency training
UD Trucks’ fuel-efficiency training isan additional service. Our courses in economical driving also teach you how to use the truck’s fuel coaching system to get the most out of the engine for smarter, more cost-efficient driving.
Prepared for the future
The telematics system is prepared for real-time GPS positioning including fuel consumption reports which give the ability to propose additional driver training and coaching.This also opens up future possibilities forfleet management and logistics planning.
Handover introduction
We help you to take full advantage of your Quester from the very beginning.Our experts will help drivers become familiar with all the functions and demonstrate how to operate the truck under optimal conditions.
Driving analysis
Quester’s Fuel coaching system is equipped with a telematics system that stores trip data such as distance travelled, fuel consumption and engines operating time in the optimum rev range. Download data and review the logs to improve your transport efficiency even further.
Road Speed Limiter
Maximum road speed is one of the most important factors with regards to fuel economy. Quester can be ordered with aset speed limiter which can help you reduce fuel consumption by an additional settingin the display.
The secret of Quester lies in its versatility. With Quester, UD Trucks offers a vehicle that allows customization for any transport requirement. So we can provide you as truck owner, or bodybuilder, with great freedom of choice at a competitive price.
Bodywork made easy
The Quester is designed for ease of superstructure installation with comprehensive bodybuilder instructions and drawings.The parallel side members, designed bodybuilder mounts and a range of power take-offs add to the easeof installation.
Eight different configurations
Quester offers ideal axle positioning, being available in 4×2R/T, 6×2R/T, 6×4R/T, 8×2R and 8×4R configurations for distribution and long haul, and 6×4R/T and 8×4R for construction and mining work.
Optimized wheelbase range
The correct wheelbase and overhang is necessary to optimize the body length and payload. Quester is available with a large wheelbase range direct from the factory from 3.2. up to 5.6 meters – and in addition the length of the rear overhang can be ordered in different intervals.
Long haul
If you want to run further in long-haul transport, Quester shifts your transport performance up a gear and steps on the brakes in terms of cost.
Advantages for long haul:
Distribution
Reliable, manoeuvrable and economical these are the essential characteristics of Quester for short-haul and distribution.
Advantages for distribution:
Construction and mining
Quester is especially adapted forthe construction and mining industries.It is strong, reliable and designed for handling high payloads.
Advantages for constructionand mining:
You know the reality. Transportation faces rising fuel prices and increasing customer demands. The real winners arethe ones who keep on running. Consistently and reliably,mile after mile, year after year. Uptime has become a key for successful companies - that’s why Quester excels at it.
Thanks to Quester’s durability and easy maintainability, together with the coverage and professionalism of the UD Trucks dealer network, you can relax. Unexpected stops will be short and dealt with effectively. The last thing you need is hassles when you have a problem. Every Quester comes with the peace of mind that our service network offers. The driver’s call for help is answered by a UD Trucks specialist trained to diagnose and troubleshoot problems,so your truck can keep running. The difference lies in the complete offer. From the heavy-duty durability andthe easy replaceable spare parts to the people at UD Trucks who are dedicatedto helping you.
With Quester we have created a reliable and productive truck,built with proven quality components. Simply put, an enduring and more serviceable truck made for the long run – so you’ll spend less time on maintenance and more time working.
Ultimately it all comes to down to the details. Everything in and around the Quester is developed to create a strong overall solution. It’s built with refined, tried and tested technology based on insights about our customers’ day-to-day needs and cutting-edge know-how gained from our global network. The result: a truck made to go the extra mile.
Anti-corrosion protection
Quester has high quality anti-corrosion protection using the Volvo Group manu-facturing standard. Phosphatizing dipping of the entire cab followed by three paint layers all of which are oven hardened.This secures protection for a long truck life.
Three-piece bumper
On both bumpers, steel and compositethe exposed corners are easily exchangeable.The headlamps are positioned on the side panel for better protection against damage.
Ease of daily service
Engine service points are located behind the grill for ease of service. Here it's possibleto check the clutch fluid, washer reservoir and air conditioning filter. The oil dipstick is conveniently located at the back of the cab.
Proven quality mudguards
The modern style of rear fenders are manufactured from black ABS plastic.They are a stable design, age resistant and easy to disassemble if necessary.
In-vehicle diagnostics
Speed up daily inspections and increase safety.Quester introduces an advanced driver’s display with tell-tale and self-diagnosis function. The indicators alert to issues that may require attention from the driver or a technician. In addition a service alert is given when the time is due.
UD Extra Engine Brake (UD EEB)
The 11-liter engine is available with the optional engine brake (UD EEB). This provides powerful braking that is quick to engage. Improved braking safety resultsin higher average speeds especially in hilly landscapes. In addition it results in decrease in brake lining wear.
Long-life S-cam brakes
S-cam high performance drum brakes are proven quality and recognised as the industry benchmark for many years. They are trouble-free and easy to service resulting in low maintenance costs and minimized downtime.
Reliable chassis suspension
Want to go the extra mile? If so, it’s vital to have reliable chassis suspensions. Quester has long-life and lightweight parabolic front springs that offer a smooth ride. The rear suspensions consist of multileaf springs giving high load capacity and higher rolling rigidity.
Long-life hub reduction
Quester has robustly designed rear axles with high capacity. The 6×4T, 6×4R and 8×4R configurations also have optional hub reduction, where the stresses are split between the hub and the axle. It's fitted with inter-axle and inter-wheel differential locks, giving excellent grip and traction for extended vehicle availability.
A heavy-duty chassis with high flexibility and quality is one of Quester’s main characteristics. The design of components comes from UD Trucks’ and Volvo Group’s proven commercial-vehicle technology. The entire chassis is subject to extensive tests in accordance with our global standards. This guarantees high reliability, good economy and a long life.
Strong and flexible frame
The Quester frame is robust and handles tough demands.The side rail section is made from strong and durable rolling form steel and is available in thicknesses of 7.0or 8.0 mm. Rolling form is a torsional flexible frame with uniform stiffness, good for vertical stress and torsion stress when rolling and pitching happen together. This reduces stress from uneven road surfaces, loads with high center of gravity and unevenly distributed loads, making it suitable for many different conditions.
The toughest rear suspension
The T-ride rear suspension on the 6×4T/R is designedfor rough conditions and particularly suitable for construction where durability and high reliability areof the highest importance. Rubber springs between the springs and rear axles contribute to good comfort under all axle loads. Rubber journalled V-stays and reduction rods give a smooth operation.
Cab suspension for greater comfort
A system of coil springs supports the entire cab, absorbing road shocks and vibrations. It’s a reliable and hassle-free system, keeping maintenance costs to a minimum.
It’s all about space. Quester’s cab reduces driver’s fatigue in long distance operations. But a well-planned driver’s environment also results in safer and more fuel-efficient driving. After all, only a driver in top form can also produce top performances behindthe steering wheel.
You immediately get a sense of quality when climbing into the driver’s seat. Quester hasa large fully transparent illuminated instrument cluster, the seats are upholstered withhigh-quality textiles and the switches are placed exactly where you want them. This isa place for long hours of work. Catering exactly to the driver’s needs, making it easy to work with great precision in any situation.
Ergonomic dashboard
The ergonomic layout of the dashboard increases the safety on the road. The most important controls and switches are within easy reach of the driver, clearly markedand easily recognizable.
Driver’s information display
A large 4.5” display in the instrument makes the information easy for the driver to read.It delivers bright and sharp contrast with quick and easy recognition of information.The display also gives information on the fuel coaching system.
In-vehicle diagnostics
Monitor the performance of the engines and get an early warning of malfunctions through pop-up messages and warning lamps. With early warning, you can identify minor problems before they become major repair bills.
Plenty of storage space
The Quester has the option of under bunk storage of 151 liters on the high roof cab and 104 liter on the standard sleeper cab.This makes it possible to stow away belongings on a long trip.
Big bunk size
Well-rested drivers do a better job.The high roof cab versions have bunks that are extra wide and extra long to ensure a good night’s sleep.
Bright driver environment
Side windows are available as an option.They create a bright in-cab environment,making the driver’s work easier and more efficient.
Safety tested cab
The Quester cab has passed the ECE R29/AIS029 crash safety test, which includesa front impact test and a simulated roof strength test. This shows that the cab is able to withstand impact and provide a safety space for the driver.
Ergonomic driver seat
Either air suspended or mechanical suspended drivers seats are available. They are an ergo-nomic design with good adjustment andwell-shaped seat cushion and backrest which reduces fatigue during long trips.
Auxiliary passenger seat
Do you sometimes need an extra hand on the road? A foldable auxiliary passenger seat is available as an option, which gives the possibility to carry an extra worker.
Roof hatch emergency escape
Sleep tighter and work safer. In case of fire or road accidents the high roof cab has a roof hatch which can also be used as an emergency escape.
Quester is a complete offer where product features and service support are tightly integrated. From bumper to tail lights,the experienced staff of our authorized UD Trucks dealer net-work know your UD trucks inside out. Enjoy total peace of mind knowing your truck is in the hands of real professionals.
Global strength
Quester is a truck designed by specialists from the worldwide Volvo Group networkof which UD Trucks is a part. We are one of the world’s largest manufacturers of heavy-duty trucks and a leading manufacturer of heavy-duty diesel engines.Our company performance has been honed all over the world.
Japanese quality heritage
At UD Trucks we have a long tradition of continuously improving our manufacturing,engineering, and business management processes. As all our products, Quester has been developed with a Japanese hands-on, field-oriented approach that starts froma customer and factory floor perspective.
Product integrity
When you choose a Quester you get a product that performs superbly, providesgood value and satisfies your expectations in every respect. All parts of the truckare exclusively developed and designed to work together, to be reliable, robustand safe on the road.
Strong local support
With the launch of Quester, UD Trucks is getting even closer to our customers. We are expanding our service network to support this great new product. UD Genuine Service and UD Genuine Parts are the foundation of UD Trucks’ uptime offer. These are carefully designed concepts for efficiently keeping your vehicle on the road.
Breakdown assistance
The telematics system enables breakdown assistance. If a vehicle breaks down, our service technicians perform remote diagnostics and identify the vehicle’s exact location.Our UD Trucks aftermarket technicians remotely analyse the cause of the breakdown and start up a proactive repair process. This approach reduces the truck’s downtime and gets you back on the road more quickly.
Preventive maintenance analysis
Through Quester telematics,you avoid costly repairs. UD Trucks monitors each vehicle’s condition and detects service needs beforea potential emergency occurs.When your vehicle needs servicing,we contact you well in advance to schedule a service.
The 8-liter engine balanced and dynamic efficiency
The GH8E is based on UD Trucks’ GH7 engine, which has established a good reputation for its performance and fuel consumption. The GH8E offers excellent performance and is ideal for distribution and construction work.
The 11-liter engine better value for every mile
The GH11E was developed to provide the best possible performance in actual operation. It is based on advanced Volvo Group technology in combination with UD Trucks’manufacturing quality. The low fuel consumption is due to the wide rev range with high thermal efficiency.
Auxiliary brake
The UD Extra Engine Brake (UD EEB) is a powerful engine brake that is optional with the 11-liter engine. The UD EEB is a means of using the engine as an auxiliary braking device.This is done by back pressuring the cylinders within the engine, using exhaust pressure and a patented ingenious valve system. There is no generation of heat or extra wear and tear on equipment.
The heart of every Quester is our integrated powertrains that perform optimally because they’re specially designed and manufactured to work together. They combine the efficiency and durability of a Quester engine with a first class selection of globally proven drivetrain components.
Made to work together
You get durability to go the distance. The Quester driveline is carefully balanced to optimize performance under varying conditions. It gives excellent fuel economy at cruising speed due to the possibility of matching the driveline with the correct rear axle ratio.
A transmission excellingon the essentials
A locally sourced and popular transmission based on well-proven technology. We have further developed itto withstand tough conditions and meet our customers’demands. After rigorous testing we have obtained first-rate results for reliability and durability. For the 11-liter engine you have a choice of 9 or 12 speed. For the 8-liter engine you can have 6 or 9 speed.
Great engine driveability
The GH11E engine boasts a sturdy, dependable design featuring an overhead camshaft, four valves per cylinder and precisely controlled electronic unit injector. Driveability is excellent thanks to the broad torque range.
High payload capacity axle
You want a rear axle that lasts and requires little maintenance.The Quester will fill your needs. Its housing is made from fabricated steel to effortlessly handle heavy loads – a supple choice for most heavy-duty applications. There is also ahub-reduction axle for more demanding applications.
Bogie lifting axle
The 6×2T and 6×2R configurations can be provided with a bogie lifting axle which is used to lift the axle in the unladen condition. The lifting function on the third axle gives the truck more traction when activated. It also gives you better fuel consumption, extended tyre life and a smaller turning radius. It can be supplied with bogie press which is used when higher traction is required.