Construction challenges

Why UD Trucks for construction

The tough two.

Solid, smart and future-designed. Meet UD Trucks’ dependable duo for construction.


The Quester is UD Trucks main vehicle for construction assignments because of its endurance. A reliable, cost-efficient and versatile workhorse that provides the manoeuvrability and ground clearance to handle the roughest terrain.


The Croner is a flexible, efficient compliment to the Quester. Suited to more specific construction tasks, it is available in three GVW ranges and saves both time and fuel.


The Quester is designed to make superstructure installation easy. Comprehensive bodybuilder instructions and power take offs for specific applications make it ideal
to be adapted for all assignments and road conditions.

Quester Mixer/Concrete

Quester Tanker

Croner Dropside

Quester /Tipper

Croner /Tipper

Break new ground.

Power. Durability. Operational efficiency. Make the most of the 40 tonne Quester, with 24 inch tyres and extra wide, super-strong chassis. In heavy construction, 6×4 and 8×4 rigid configurations provide flexibility to match the truck to the job.

Improved payload capacity

Both Croner and New Quester deliver huge payload possibilities. Optimized tare weight and driveline on New Quester have reduced the truck’s weight by almost half a tonne. A variety of specifications on the Croner’s wheelbase and axles have also maximized payload capacity for greater profitability.

Productive on any terrain

UD construction trucks are designed for agility in tough conditions. A front steel bumper ensures high ground clearance and approach angle, while robust chassis and tough rear leaf suspension reduce stress from uneven road surfaces and also when carrying unevenly distributed loads.


New Quester features PWR+ mode on ESCOT. This makes construction assignments more efficient, with increased power and high running performance in tough conditions. It features a rock loose mode for quick escape when stuck in slippery and muddy conditions.

Easy start-stop operations

Allison automatic transmission is available on New Quester and, with its torque converter, is a perfect solution for operations that require frequent starts and stops. Crawler gears and wide ratio options on the Croner guarantee easy starting and controlled driving at any speed and in all conditions.

Lower operating costs with ESCOT

Building on Quester's excellent fuel economy, New Quester's GH11E engine with ESCOT automated manual transmission (AMT) is a winning formula for increased fuel efficiency.
Automated gear shifting makes New Quester easier to drive and more fuel efficient even for new drivers. Helping you make the break towards lower operating costs.

Powertrain optimization

Both Croner and New Quester offer a wide choice of rear axle ratios for different applications. This delivers excellent fuel economy at cruising speed in top gear, with no compromise on performance.

Aerodynamic cab design

UD construction cabs are aerodynamically designed for increased fuel efficiency, reducing coefficient of drag by five per cent at highway speeds.

High torque: Low revs

UD Trucks for construction feature fuel efficient engines that minimize consumption via high torque delivered at low revs, for improved profitability on every assignment.

Easier driving with ESCOT

In average daily operations with a manual transmission, drivers need to shift 1,000 to 1,500 times per day. ESCOT automated manual transmission always selects the optimal gear, improving driver efficiency and focus regardless of skill level or experience. Stress and fatigue are also reduced.

Better comfort on the job

Designed for long days onsite, New Quester has air suspended driver’s seat and cab air suspension. This increases comfort when maneuvers are tight and the workload is heavy. Many adaptable features also make the Croner a truck to suit a wide range of drivers by allowing the most flexible driving position.

Clean and simple driver environment

Our construction cabs are designed to minimize fatigue via well-planned ergonomics. A smart instrument cluster and information display provide exactly what’s needed to focus on the job in hand.

Increased visibility

All construction cabs provide excellent all-round visibility with large glass areas and strategically placed mirrors. Effective and protected headlights are positioned on the cab side panel of the Croner, while there are two types of rear-view mirrors available on New Quester.

Stress-free braking

Both trucks offer first-class braking, handling and stability. New Quester features a reliable auxiliary braking system via UD Trucks Extra Engine Brake. This maintains safe speeds and delivers powerful braking. A hydraulic retarder makes downhill driving safer, while ESCOT brake max mode allows the transmission to continuously downshift for more effective use of the EEB.

A longer life for components

All UD construction models are tested to their limits in order to provide greater durability than our competitors. Strong and reliable Japanese quality components guarantee a long life of productive uptime, whatever conditions you plan to put the trucks through.

Increased service life

Optional hub reduction rear axles increase service life in tough conditions. Effective suspension reduces stress on the chassis and superstructure, which can mean longer intervals between servicing.

At your service 24/7

Our services are designed to keep your trucks working in any conditions. UD Telematics improve profitability by maximizing vehicle uptime, making service intervals longer and lowering operational costs.

Quester and Croner models suitable for Construction

Croner LKE

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Axle Configuration


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GVW 12 - 14Ton

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6-speed MT; 6-speed AT

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180 - 240Hp

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750; 825; 900

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Braking System

Full air brake system; Automatic slack adjuster; ABS optional; Spring-based parking brakes; Exhaust brake system

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Emission Control System (ECS)

Euro 3; Euro 4

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A durable partnership.

Construction projects demand the best support network possible. UD Extra Mile Support keeps your trucks working for you. Every hour, day or night.

A high-tech wireless communications system designed to help you manage your fleet effectively, keeping wheels turning while reducing operational costs.

UD Telematics

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Two levels of service care are available for construction: UD Trust Standard and UD Trust Extra. Both offer full transparency, no surprise costs and less administration.

UD Trust

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Details required for truck maintenance are packages in a Service Agreement. There are three levels of service care available:
UD Trust Standard
UD Trust Extra
UD Trust Ultimate

UD Trust: Service agreements

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UD Genuine service

UD Driver Training

UD Genuine Parts

Our advice for services

Expert stories

Toshi Odawara, VP – UD Trucks Heavy Duty Product Line Management, talks about what makes the Quester the right choice for construction.

“ We constantly develop to go the extra mile on profitability.”

Can you tell us about your role?

“I am responsible for creating a product plan for the Quester and bringing it to markets across the globe. I have been working at UD Trucks for 20 years. 

Overall this role is about capturing our customers’ essential needs. It is important to make sure that the Quester can create profitable business. It’s key for me to constantly visit markets, customers and our dealer network, to get an understanding of real situations and challenges in customers’ lives. Their feedback drives the development of the Quester, the truck they need today.”

What makes the Quester essential for the construction market?

Construction assignments are diverse. The truck has to handle multi tasks and must be simple and robust. It operates in different conditions such as hilly and rough muddy roads to

smooth highways.  Sometimes at slow speeds for a long time or high speeds to minimise trip time. At the same time they need to carry high loads to increase productivity. Quester specifications can operate in these various conditions. The truck has been tested in various markets for long distances, so that we make sure customers will be satisfied with the toughness and robustness. We have also ensured Quester has high ground clearance that can cope in construction and mining.For this, we have prepared a three-piece steel bumper, high mounted brake chamber and hub reduction as an option.

With Quester you get a truck designed to go the extra mile that boasts a real heavyduty cab, chassis and engine, with modern and smart design.”

What are the most important considerations in today’s markets?

“To focus on what customers’ essential needs are, and to provide the kind of truck that can fulfil those needs. Simple and robust, easy to maintain, keeps working, and low downtime. We don’t want customers to suffer with maintenance or downtime due to complex technology or systems, but to keep their asset up and running. We want customers to profit and be successful in their business by investing in our products. For drivers it’s all about ease of driving and a comfortable spacious cabin. The Quester excels on the essentials such as fuel efficiency and uptime. We have developed a wide range of offers and adaptations that ensure our customers get exactly the right truck for the right job. Today we see a solid growth in demand for the Quester. The feedback from our customers makes me really proud to be part of this journey.”

Customer Success Story

  • "We hope that this partnership keeps growing with our company and projects"

    Firas Sader Al Deen, Transportation Manager.