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The performance of a Type D. The benefits of electric.

The Saf-T-Liner® HDX2 Wattson represents the new generation of Type D electric school buses. Built on the proven HDX2 platform and featuring Thomas Built Buses’ latest electric technologies, it offers a unique combination of capacity, performance, and reliability. With its 100% electric powertrain, optimized range, and Vehicle-to-Grid (V2G) compatibility, it is ready to meet the needs of modern fleets.

This model is also available in a commercial version. Contact us for more details.

Saf-T-Liner® HDX2 Wattson
Saf-T-Liner® HDX2 Wattson
Saf-T-Liner® HDX2 Wattson
Saf-T-Liner® HDX2 Wattson

The Thomas advantage

Saf-T-Liner® HDX2 Wattson

The Saf-T-Liner® HDX2 Wattson delivers all the power and performance expected of a Type D school bus, with the benefits of electric propulsion. Its regenerative braking, liquid-cooled components, and hill-start assist and seat-anchoring (S.T.A.R.S.) technologies help maintain consistent performance in all conditions.

Saf-T-Liner® HDX2 Wattson

Thanks to its integrated Zonar® telematics, remote diagnostics, and advanced fleet management tools, the HDX2 Wattson makes it easy to track vehicles and perform preventive maintenance. Each of these technologies maximizes fleet availability and helps reduce operating costs.

Saf-T-Liner® HDX2 Wattson

When you choose a Wattson Saf-T-Liner® HDX2, you can also count on the expertise of Autobus Thomas and TransVolt to support your transition to electric vehicles. From analyzing your needs to providing post-delivery support, a specialized team will guide you throughout the project.

Saf-T-Liner® HDX2 Wattson

Equipped with the Accelera™ 14Xe eAxle powertrain and an 800-volt electrical architecture, the HDX2 Wattson offers instant torque, high fuel efficiency, and a smoother ride. This next-generation technology enhances performance while simplifying the vehicle’s mechanical systems.

Technical specifications

Number of passengers

Up to 72 passengers.


Wheelbase

277 in.


Battery Information


  • 246 kWh Proterra battery, one of the highest capacities in its class.
  • Range of up to 240 km depending on operating conditions.
  • Fast charging: 3 to 4 hours with a compatible DC fast-charging station (minimum 60 kW).
  • Charging capacity up to 120 kW
  • Electric powertrain:
    • 349 ch peak power.
    • 750 lb-ft of torque.
    • 2-speed transmission.
  • Electrical system:
    • SAE J1772 charging.
    • Vehicle-to-Grid (V2G) compatible.
    • Liquid-cooled battery, motor, and inverter.
  • Telematics: Zonar® V4™ system standard for fleet tracking and management.

*Charging time may vary depending on the charging station’s power output and operating conditions

Gross Vehicle Weight Rating (GVWR)

Up to 37,600 lb.


Details

The Saf-T-Liner® HDX2 Wattson features a modern, ergonomic, and intuitive driver’s compartment, while delivering the high passenger capacity and durability expected of a Type D platform.

  • Intuitive driving that requires no change in driver habits
  • Electric powertrain delivering instant torque and smooth acceleration
  • Excellent maneuverability with a turning angle of up to 50° *
  • Maximum speed programmable to meet your fleet’s needs
  • Ergonomic driver’s compartment with grouped, easy-to-reach controls
  • OptiView™ digital instrument cluster providing a clear display of vehicle information
  • Tilt-and-telescoping steering wheel for a personalized fit
  • Suspended pedals and integrated footrests promoting a comfortable driving position
  • Large, two-section panoramic windshield providing a wide field of view
  • Complete set of mirrors optimizing visibility around the vehicle
  • 78-inch interior height offering a spacious work environment
  • Acoustic headliner
  • Standard LED interior lighting

* Depending on vehicle configuration.

Like all Thomas Built buses, the Saf-T-Liner® HDX2 Wattson combines rugged durability with the highest safety standards to protect occupants and road users, trip after trip.

  • Meets or exceeds FMVSS and CMVSS safety standards
  • Built on the robust Saf-T-Liner® HDX2 platform
  • Saf-T-Net structure offering proven strength and durability
  • Reinforced structure designed to Thomas Built’s highest safety standards
  • Batteries integrated into a compartment specifically designed to maximize their protection
  • Quiet operation promotes better driver concentration and greater alertness on board
  • Standard Bendix® Intellipark® electronic braking system for enhanced safety when the vehicle is stationary

Our extensive selection of equipment allows you to customize your Saf-T-Liner® HDX2 Wattson to meet your requirements for capacity, comfort, accessibility, and usability.

Safety and Technology
  • Optional AC charging (20 kW) for greater charging flexibility and optimized infrastructure investments
  • Collision avoidance system
  • 360° cameras
  • Zonar® telematics system
  • Electronic Stability Control (ESC)
  • Tire pressure monitoring system
  • AM/FM radio with public address (PA) system
  • Passenger check reminder system (Child Reminder System)
  • Automatically opening and closing entry doors
Driver Comfort
  • Air-suspension driver’s seat, with optional heating
  • Heated power driver’s seat with reclining backrest and two armrests
  • Tilt-and-telescoping steering wheel
  • Adjustable pedals
  • Air suspension
  • Air conditioning and heating integrated into the dashboard
  • Heated, power-adjustable side mirrors
  • Cup holders and ample storage spaces
Passenger Comfort
  • Powerful heating system including two 84,000 BTU heaters and a heated first step for cold climates
  • Several seating configurations available
  • Coach-style seats
  • Seats with lap belts or three-point seat belts
  • Built-in child seats
  • Wheelchair lift
  • Air conditioning
  • Tinted windows
  • Interior luggage racks and exterior luggage compartments
  • Individual reading lights
Performance and Durability
  • Rear air suspension (“Airliner”) providing improved stability and comfort
  • Heavy-duty 16-ply Michelin tires and synthetic oil to reduce maintenance costs
  • Pneumatic disc brakes
  • Engine braking
  • Reinforced wiring harness
  • FleetShield™ corrosion protection
  • Power-assisted hood for easy maintenance

Built to last, Thomas Built Buses offer the reliability and durability sought by transit operators looking to maximize their long-term investment. The Saf-T-Liner® HDX2 Wattson comes with a comprehensive warranty covering its major components:

  • Body and Chassis: 1 year, unlimited mileage
  • High-voltage batteries: 8 years, 281,000 km, or 220,000 kWh of cumulative gross discharge per battery pack (440,000 kWh per bus), whichever comes first
  • Guaranteed battery energy capacity: 185 kWh at the end of the 8-year warranty period, compared to 219 kWh of usable energy at the start of the vehicle’s life
  • Electric powertrain / eAxle: 5 years or 160,000 km, whichever comes first
  • Paint: 5 years, unlimited mileage

At Thomas Built Buses, we support you throughout the warranty period to streamline claims processing and get your vehicles back on the road quickly.

* Certain conditions, limitations, and exclusions apply. See the manufacturer’s warranty documentation for full details.

A team that understands your reality

A team that understands your situation

Experts who support you before, during, and after your purchase.

Meet Our Team

A proactive parts department

The right part at the right time to keep your fleet moving.

Find and Order Parts

The Thomas
Built Buses Warranty

Protection designed to give you lasting peace of mind.

Learn More About the Warranty

Financing solutions tailored to your situation

Autobus Thomas wants to make it easy for you to purchase the vehicle(s) you need, all while staying within your budget. When you’re ready to make your purchase, you’ll receive sound advice from our advisor tailored to your needs and budget. Our partnership with Daimler Truck Financial Services ensures you’ll have the right solution so you can fully enjoy your purchase while benefiting from highly competitive market rates.

With nearly 46 years of experience in the bus industry, we understand the realities of running a transportation business. That’s why we have a financing program that’s sure to meet your needs. Don’t wait—contact our specialist today!

Questions about our financing solutions? Contact our specialist.
Lyanne Boucher
Lyanne Boucher
Financial Services and Administration Advisor

819 474-2700 ext. 238
Send an email

Contact our sales team

Looking for a new school bus, commercial vehicle, or electric vehicle to upgrade your fleet? Contact our sales team to discuss your needs and get advice tailored to your situation.

Martin Lemaire
Sales Representative
Laval, Laurentians, Lanaudière, Mauricie, Outaouais, Chaudière-Appalaches, Saguenay–Lac-Saint-Jean, Centre-du-Québec

819 474-2700 ext. 236
Send an email
Yan Pépin
Yan Pépin
Sales Representative
Bas-Saint-Laurent, Québec City, Gaspésie

819 474-2700 ext. 245
Send an email
Patrice Marcoux
Patrice Marcoux
Sales Representative
Eastern Townships, Newfoundland, Montreal, Montérégie, Abitibi-Témiscamingue, Côte-Nord

819 474-2700 ext. 232
Send an email
Éric Couturier
Éric Couturier
Vice President, Sales and Development

819 474-2700 ext. 234
Send an email

Your next journey starts here.

Whether you’re looking for a new bus, a part, or simply a partner you can count on, our team is ready when you are.

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