UD Trucks has launched the Quester MY2026 truck, featuring an 8-liter 350-horsepower engine and ESCOT transmission meeting Euro 5 standards, elevating every aspect of transportation to help reduce costs and boost profits.
Ms. Wilawan Vispaphaew, Chairperson of UD Trucks Corporation (Thailand) Ltd., stated that over the past two years, UD Trucks Thailand has introduced Euro 5 standard trucks to the market and received clear acceptance from customers nationwide.
This is reflected in a market share increase to 10% last year, proving the quality from real-world use and customer trust in the brand. We are confident that the Quester MY2026, an advanced development, will be well received by transport operators.
Especially the Quester model with an 8-liter 350-horsepower engine paired with semi-automatic ESCOT transmission, suitable for heavy transport both short-distance and interregional. Fuel efficiency tests show a satisfactory 4.5 km/l under company conditions.
It also includes new features to support drivers' work, improve operational efficiency, enhance safety to protect assets, and increase profitability for our customers' sustainable success.
1. Quester raises fuel efficiency standards with advanced engineering technology such as the ESCOT transmission, available with GH8 350 HP and GH11 410 HP engines.
It maintains high torque over a wide low-speed range and features Euro 5 compliant engines using SCR technology to reduce emissions, plus advanced fuel injection systems that minimize environmental impact without sacrificing performance.
2. Enhancesdriving assistance functionsDriver skill and behavior directly affect fuel use; inconsistent driving such as harsh acceleration can waste fuel unnecessarily. Quester includes features that simplify driving and promote proper driving habits.
- The Fuel Coach system connects to the Engine Management System, advising on gear changes, braking, and acceleration to keep the engine in the most fuel-efficient RPM range.
- Cruise Control reduces unnecessary acceleration and braking on long routes.
- The My UD Truck app analyzes driving behavior, checks vehicle condition before and after trips, locates nearby service centers, and finds AdBlue or fuel stations.
- A 7-inch touchscreen supports both Android and Apple CarPlay systems.
3. Safety is central to UD Trucks’ "Safety that puts people first" philosophy, embodied in Quester’s design with these safety features:
- ESC (Electronic Stability Control) to maintain vehicle stability and prevent skidding or rollover.
- EBS (Electronic Braking System) to enhance stopping power with anti-lock braking.
- Rear Air Suspension with remote-adjustable height in the 11-liter engine model.
- ECE R29 certified cabin tested for strength and impact resistance to reduce injury risk.
- ADR compliance with electrical systems designed for safe hazardous material transport.
- SRS airbags installed in the steering wheel activate in severe collisions.
- Parking Brake Alarm alerts if the handbrake is not engaged when the door opens.
4. Uptime is enhanced by optimizing performance and reducing downtime. The UD Quester is designed for maximum availability to keep businesses running smoothly, lowering repair times and boosting efficiency. The 11-liter model features Preventive Maintenance intervals up to every 60,000 kilometers, reducing service visits and long-term maintenance costs.
5. UD Connected Services provides fleet tracking and cost management anywhere on any route.
Fleet owners can use UD Connected Services, a fleet management system accessible via app and web portal, to monitor vehicle health before and after use, access key data for efficient maintenance planning, reduce emergency breakdown risks, and gain confidence on every journey.The