Premier Bus Group newsletter, October 2025 edition
THOMAS BUILT BUSES NEWSLETTER October 2025
Saf-T-Liner Powertrain Platform Updates
The Detroit Diesel DD5 engine has been discontinued for our Saf-T-Liner C2. Thomas Built Buses is no longer accepting new orders or change order requests for this engine platform.
Cummins B6.7 Octane Update
We are pleased to announce that the Cummins B6.7 Octane Program has entered the pre-series production planning phase, with builds scheduled between March and May 2026. These pre-series units will validate our manufacturing processes and confirm supply chain readiness for the new Cummins B6.7 Octane engine platform across both FCCC and TBB operations. Following the successful completion of this phase, Octane sales options will be released.
Tariff Impact Fees
Tariff Impact Fees will apply to orders produced in Q4 2025 and all orders in 2026. Thomas Built Buses will continue to monitor tariff impacts and reserves the right to adjust these fees as needed.
Saf-T-Liner C2 Jouley Gen 2 for All New EV Orders
We are pleased to announce that the Saf-T-Liner® C2 Jouley® Gen 2 is now available for new electric vehicle orders. Equipped with the innovative Accelera 14Xe eAxle and double the battery voltage, the Jouley Gen 2 is engineered to deliver greater torque, improved acceleration, and enhanced maneuverability. https://thomasbuiltbuses.com/s chool-buses/saf-t-liner-c2- jouley-gen-2/
Coming Soon
2026 Thomas Built Bus Minotour Wheelchair with STARS seating 4 W/C positions 23 Passenger 6.6 Liter V8 Gas engine Electric Entrance door Hydraulic Brakes/Spring Suspension D250-22 Safety Items Amber/Red overhead lights
FINANCING AVAILABLE
Contact our Premier Bus Group sales team today: ONTARIO WEST Jason Liburd (416) 578-5044
ONTARIO EAST Lyne Lafleur-Labarge (613) 921-0591 LLafleur-Labarge@PremierBusGroup.com
JLliburd@PremierBusGroup.com
For In-Transit inventory any date of arrival is estimated. Dealer reserves the right to change the date due to conditions beyond our control. Please contact dealer for delivery details. This advertisement does not guarantee a vehicle’s availability, nor does it constitute an offer to purchase a vehicle. Vehicle descriptions, including but not limited to, mileage, pricing, and availability may vary and are subject to change. It is the customer’s sole responsibility to verify all vehicle information, including but not limited to, pricing, accessories, features and specifications. For In-Transit Inventory any date of arrival is estimated and may change without notice. Please contact Dealer for complete details. Dealer is not responsible for misprints or errors but will use its best efforts to promptly update listings upon notification of such misprint or error.
Coming Soon
2026 Thomas Built Bus Minotour 29 Passenger 6.6 Liter V8 Gas engine Electric Entrance door Hydraulic Brakes Spring Suspension D250-22 Safety Items Amber/Red overhead lights
FINANCING AVAILABLE
Contact our Premier Bus Group sales team today: ONTARIO WEST Jason Liburd (416) 578-5044
ONTARIO EAST Lyne Lafleur-Labarge (613) 921-0591 LLafleur-Labarge@PremierBusGroup.com
JLliburd@PremierBusGroup.com
For In-Transit inventory any date of arrival is estimated. Dealer reserves the right to change the date due to conditions beyond our control. Please contact dealer for delivery details. This advertisement does not guarantee a vehicle’s availability, nor does it constitute an offer to purchase a vehicle. Vehicle descriptions, including but not limited to, mileage, pricing, and availability may vary and are subject to change. It is the customer’s sole responsibility to verify all vehicle information, including but not limited to, pricing, accessories, features and specifications. For In-Transit Inventory any date of arrival is estimated and may change without notice. Please contact Dealer for complete details. Dealer is not responsible for misprints or errors but will use its best efforts to promptly update listings upon notification of such misprint or error.
In Stock
Stock 2026 Thomas Built Safe-T-Liner C2
71 PASSENGER MODEL: 341TS ISB 6.7L Cummins Engine 200HP ALLISON TRANSMISSON HYDRAULIC BRAKES/AIR REAR SUSPENSION D250-22 SAFETY ITEMS ONTARIO SPEC
New 2026 C2 Stock Still Coming
Contact our Premier Bus Group sales team today: ONTARIO WEST Jason Liburd (416) 578-5044
ONTARIO EAST Lyne Lafleur-Labarge (613) 921-0591 LLafleur-Labarge@PremierBusGroup.com
JLliburd@PremierBusGroup.com
For In-Transit inventory any date of arrival is estimated. Dealer reserves the right to change the date due to conditions beyond our control. Please contact dealer for delivery details. This advertisement does not guarantee a vehicle’s availability, nor does it constitute an offer to purchase a vehicle. Vehicle descriptions, including but not limited to, mileage, pricing, and availability may vary and are subject to change. It is the customer’s sole responsibility to verify all vehicle information, including but not limited to, pricing, accessories, features and specifications. For In-Transit Inventory any date of arrival is estimated and may change without notice. Please contact Dealer for complete details. Dealer is not responsible for misprints or errors but will use its best efforts to promptly update listings upon notification of such misprint or error.
In Stock
Stock 2026 Thomas Built Safe-T-Liner C2
77 PASSENGER MODEL 341TS ISB 6.7L Cummins Engine 220HP ALLISON TRANSMISSON HYDRAULIC BRAKES/AIR RIDE SUSPENSION D250-22 SAFETY ITEMS MANITOBA SPEC
Financing Available
Contact our Premier Bus Group sales team today:
MANITOBA Audra Martel (204) 223-6518 AMartel@PremierTruck.com
For In-Transit inventory any date of arrival is estimated. Dealer reserves the right to change the date due to conditions beyond our control. Please contact dealer for delivery details. This advertisement does not guarantee a vehicle’s availability, nor does it constitute an offer to purchase a vehicle. Vehicle descriptions, including but not limited to, mileage, pricing, and availability may vary and are subject to change. It is the customer’s sole responsibility to verify all vehicle information, including but not limited to, pricing, accessories, features and specifications. For In-Transit Inventory any date of arrival is estimated and may change without notice. Please contact Dealer for complete details. Dealer is not responsible for misprints or errors but will use its best efforts to promptly update listings upon notification of such misprint or error.
In Stock
Stock 2026 Thomas Built Safe-T-Liner C2
65 PASSENGER MODEL: 211TS ISB 6.7L Cummins Engine 220HP ALLISON TRANSMISSON HYDRAULIC BRAKES/AIR RIDE SUSPENSION D250-22 SAFETY ITEMS MANITOBA SPEC
Financing Available
Contact our Premier Bus Group sales team today:
MANITOBA Audra Martel (204) 223-6518 AMartel@PremierTruck.com
For In-Transit inventory any date of arrival is estimated. Dealer reserves the right to change the date due to conditions beyond our control. Please contact dealer for delivery details. This advertisement does not guarantee a vehicle’s availability, nor does it constitute an offer to purchase a vehicle. Vehicle descriptions, including but not limited to, mileage, pricing, and availability may vary and are subject to change. It is the customer’s sole responsibility to verify all vehicle information, including but not limited to, pricing, accessories, features and specifications. For In-Transit Inventory any date of arrival is estimated and may change without notice. Please contact Dealer for complete details. Dealer is not responsible for misprints or errors but will use its best efforts to promptly update listings upon notification of such misprint or error.
TECH TIPS
The winter months are just around the corner Remember it install your weather front on your grill It will help your diesel engine keep warm and help maintain cabin heat
TECH TIPS
Tire Pressure
As the air temperature lowers, the speed of the air molecules lowers resulting in lower air pressures. With Lower air pressure it increases a tire’s rolling effort on the road, which translates to higher fuel costs. A good rule of thumb is that for every 10 degrees Fahrenheit the temperature drops, tires running at 100 psi [pounds per square inch] can drop approximately two psi To ensure tires are running at peak performance they should be checked on a regular basis. Under-inflated tires can be an issue in the winter, but over-inflation can also be detrimental. Maintaining the recommend tire pressure is important. By being proactive in your tire maintenance, you can ensure that your equipment has the best traction while minimizing premature tire wear that can lead to unpredicted downtime and costs.
Tire Maintenance
Wheel care is critical. In the winter months you could see frozen wheel hubs, ice-encrusted rims, flat spotting, and low tire pressure. Before the temperature drop, tire, maintenance is essential.
TECH TIPS
You also need to look at the rims for salt, dirt, ice, and snow that can get caught inside you rims, causing a false imbalance diagnosis where the driver will detect a vibration. That could cause alignment issues or bad vibration causing wear and tear on the front-end components, drive line, and rear-end components. Washing out the rims on a regular basis in the winter months will help with the build of debris. Rims
TECH TIPS
Engine Coolant Freeze Points
Cummins ISB Engines For a Cummins ISB engine, the manufacturer spec for freeze point is between -32° to -54°C (-25° to - 65°F) . Ethylene glycol concentration is not to exceed 68%. Maintaining SCA concentration between 0.3 and 0.8 units/L (1.2 to 3.0 units/U.S. gal) is critical to preventing cylinder bore cavitation. This is only applied if you use standard coolant.
In 2017/2018 model year the Thomas C2 Cummins ISB engine was filled with OAT coolant.
Please make sure you look at the sticker by the coolant reserve to know what type of coolant your engine came with.
Here is a note from the Cummins engine manual on OAT coolant: Organic acid technology (OAT)/Extended Life Coolants use high levels of salts of organic acids for cylinder liner pitting protection and do not use nitrite and or molybdate. Therefore, these coolants do not have SCA numbers. Additionally, OAT additives deplete much slower than conventional additives and as a result OAT coolant do not require addition of SCA products.
TECH TIPS
Engine Coolant Freeze Points
Detroit DD5 Engines For a Detroit DD5 engine the manufacturer spec for freeze point is in between -31° to -41°C (-24 to -42°F) . There is exception to the rule depending on the climate. The coolant that is currently in the DD5 engine is Organic Acid Technology (OAT). These coolants require less maintenance over the useful life of the engine.
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