Saf-T-Liner A ELECTRIC CHASSIS School Buses

School Buses Optimal EV Type A Electric Chassis

A battery-electric solution enabling zero-emissions performance in an extensive range of market segments. E1 is based on a dependable, proven cutaway package, but with better durability & efficiency, and simplified maintenance.

Nothing is more comforting than familiarity - except for the smooth, quiet power delivery of EV propulsion in an optimized chassis. With E1, you can have both, with an electric powertrain silently integrating with the convenience of OEM instrument cluster & controls.

Optimal EV Type A Electric Chassis

Body Specifications

High Performance Traction Motor

  • 1000 NmContinuous Torque
  • 1700 NmPeak Torque
  • 170 kWContinuous Power
  • 280 kWPeak Power
  • 300 - 750 vdcVoltage Range

Battery

  • 113 kWhProterra Battery
  • 326V (Nominal)System Voltage
  • Water/Glycol MixtureCooling
  • < 8 Hours ChargeWith Standard Level 2 AC Charge
  • < 2 Hours Fast ChargeWith Optional DC Fast Charge
  • -22° to +133°F (-30° to +56°C)Operating Temperature

Highlights

  • E-450Ford Chassis Platform
  • All-ElectricPropulsion System
  • ~125+Miles of Range
    *Range calculations based on WVU 5-Peak cycle at 76-88° F with 113kWh Proterra battery and installed bus body.
    Operating efficiency will vary with route conditions, vehicle configuration, ambient temperature, driving habits, etc.
  • 113 kWhProterra Battery
  • 280 kWTraction Motor
  • ~70 mph / 112 kphMax Speed
  • Push ButtonShift Mechanism
Optimal EV Type A Electric Chassis
Optimal EV Type A Electric Chassis
Optimal EV Type A Electric Chassis
Optimal EV Type A Electric Chassis

FEATURES

Engineered for Upfitting , Electrified for Fleets

A familiar platform gets even easier to utilize with the advantage of EV packaging, and lower operating costs with reduced maintenance.

Proterra Battery

With 113kW of energy storage, and proven by over 20 million miles of service, Optimal’s partnership with Proterra provides our products with the best performance & reliability, all from right here in the USA.

Rear-Mounted Motor

With 280 kW of propulsion on tap and 1700 Nm of instant EV torque, E1 can reach a top speed of 70 mph (112 kph) and has 30% gradeability*.

Secured Power Electronics

Another first in the industry: our products feature 100% of the power electronics, including the battery, motor, driveline, motor controllers, and power/cooling lines, in between the chassis rails while also protecting the vehicle’s critical components.