2026 Vehicle Guide: Medium-duty alt-fuel

Blue Bird Commercial Chassis

Known for its school buses, Blue Bird also offers a commercial chassis, powered by propane or as a BEV. The chassis has a GVWR of up to 23,000 lb. and a 50,000-psi standard steel frame. The Class 6 is designed to be compatible with all existing body providers. The battery-electric chassis features a battery pack that is housed within the frame rails and offers a range of up to 130 miles. Tech features include over-the-air updates and an available telematics system. The propane-powered chassis is equipped with a Ford 7.3L propane engine, offering 335 hp and 468 lb.-ft. of torque.

No corners cut: Both the propane-powered chassis and the electric chassis have a wheel cut of 55 degrees for tight city streets.

Bollinger B4

While Bollinger Motors has had a trying year, the all-electric medium-duty manufacturer is still selling its Class 4 2025 B4 cab forward. The B4 is powered by a dual battery pack that offers 185 miles of range. All drivetrain components rest inside the flat frame rails, making the B4 upfit friendly. The battery offers 323 hp and 675 lb.-ft. of torque. The B4 has a GVWR of 15,500 lb. and a payload of 7,325 lb. It features a 158-inch wheelbase. The B4 can fully charge in two hours when using Level 3 DC fast charging.

A better view: Bollinger boasts that its cab-forward design enables better driver visibility and provides additional cargo space that conventional cabs cannot accommodate.

Freightliner Custom Chassis MT50e

Freightliner Custom Chassis MT50e is an all-electric Class 5 or 6 chassis based on the company’s MT chassis platform. The EV offers 318 hp and an estimated range of 180 miles. It can charge in about three hours with DC fast charging. It features a GVWR of 16,000 to 23,000 lb. The chassis is available in a 178- and 208-inch wheelbase. Built using single-piece steel straight-rails, 3-inch flanges, and dogbone crossmembers, it minimizes body stress when maximizing load capacity. Tech features include FCCC’s OptiView digital instrument cluster with real-time efficiency feedback, navigation, and more. Its safety features and tech include electronic stability controls, 360-degree camera, curbside exit, lane keeping assist, collision mitigation, and more.

Maneuverability for urban streets: The MT50e’s front axle offers up to a 50-degree wheel cut for increased maneuverability in tight spaces.

Freightliner eM2

The 2026 Freightliner eM2 is built on Daimler Truck North America’s M2 106 Plus medium-duty platform and features a fully integrated, battery-electric Detroit ePowertrain. Electric motors and a 2-speed transmission are located directly on the drive axles to minimize energy loss.

The Class 6 single-motor eM2 delivers up to 190 hp with a 194 kWh battery, providing a driving range of around 180 miles per charge. The Class 7 dual-motor variant produces up to 255 hp, supported by a 291 kWh battery, and offers a range up to 250 miles.

Safety features on the eM2 include Detroit Active Brake Assist 5, tailgate warning, adaptive cruise control down to 0 mph, lane departure warning, intelligent high beam headlights, automatic wipers and headlamps, and Side Guard Assist. Detroit Connect provides connected-vehicle functionality for monitoring battery health, charging status, and energy usage, supporting route planning, energy optimization, and post-trip analysis.

Build for your business: The eM2 is offered in multiple configurations to accommodate different wheelbases, battery capacities, and ePTO options for a variety of medium-duty applications.

Harbinger All-Electric Chassis

Harbinger is producing Class 4-6 electric stripped chassis for various operations. Designed for urban routes, the 158-inch wheelbase offers an estimated 175-mile range and 14,001 to 22,000 lb. GVWR and maximum 9,610-lb. payload. Designed for standard routes requiring optimized cargo capacity, the 178-inch wheelbase (offered in Class 5 and 6) offers a similar range as the 158-inch wheelbase. Its GVWR ranges from 16,001 to 22,000 lb. with a maximum payload of 9,500 lb. Finally, the Class 5 and 6 208-inch wheelbase, designed for larger payloads and longer routes, has an estimated range of 210 miles, a GVWR between 16,001 and 26,000 lb., and a max payload of 13,350 lb. It can accommodate four, five, or six battery packs. The Harbinger electric stripped chassis is available for orders today.

Spec to your needs: Harbinger offers its electric chassis in Class 4, 5, and 6.

Harbinger Plug-in Hybrid Chassis

The Harbinger plug-in hybrid stripped chassis is available in two wheelbases to accommodate Class 5 and 6 vehicles. The 178-inch chassis has a GVWR of 16,001 to 22,000 lb. It can accommodate four battery packs, offering a range of about 500 miles. Its maximum payload is 9,803 lb. The 208-inch wheelbase chassis also offers about 500 miles of range and offers a GVWR between 16,001and 26,000 lb. It can accommodate four and five battery packs and offers a payload of up to 13,686 lb.

Moving with the market: While Harbinger designed the all-electric chassis cab first, the plug-in hybrid version of its chassis was developed in response to customer needs and expectations.

International eMV

The 2026 International eMV series is a battery-electric medium-duty truck available in Class 6 and Class 7 configurations. It is equipped with factory-installed ePower and electric power take-off (ePTO) options. The eMV is built to the same standards as the diesel-powered International MV Series and is designed for straight rail applications.

The 2026 eMV offers four wheelbase options: 217, 236, 254, and 272 inches. It is equipped with the Diamond Logic electrical system as standard. The electric motor delivers peak power of 335 hp (250 kW) and continuous power of 215 hp (160 kW), supported by a 210 kWh high-voltage battery that provides a driving range of approximately 135 miles. Regenerative braking is available in three levels.

Charging options: Charging options include Level 2 AC for overnight charging and DC fast charging in under two hours. The eMV also supports ePower applications, allowing the truck to supply electrical power for transport refrigeration units (eTRUs) or other auxiliary equipment.

Isuzu NRR EV

The 2025 NRR EV from Isuzu Commercial Truck is the brand’s first electric truck. The Class 5 truck delivers 19,500 GVWR with wheelbase options from 132.5 to 176 inches. The NRR EV is available with different battery pack options—buyers have a choice between using three to nine battery packs—offering a range up to 235 miles. The NRR EV features the new Isuzu cab, which is more aerodynamic, quieter, and more efficient. It features LED headlights and a newly designed front bumper. On the inside, the steering wheel is now positioned to provide more comfort to the driver, outboard passenger airbags are standard, and an Auto Light Sensor enables the headlights to illuminate as the sun goes down. Drivers will also appreciate the new 7-inch information cluster that displays vehicle functions and other necessary information.

New EV meets advanced tech: Buyers can choose to add an advanced driver assistance system to the NRR EV, which delivers lane departure warnings, automatic emergency braking, distance alerts, forward vehicle start notification, and adaptive cruise control.

Mack MD Electric

The Mack Trucks MD Electric integrates Mack’s standard vehicle engineering with an electric powertrain. Its battery-electric system provides torque and acceleration suitable for frequent stops and starts in urban environments. The cab has a longer design, allowing increased seat recline and legroom, plus a tilt-telescopic steering column for driver comfort. The interior includes satin aluminum trim, seating with lumbar support, LED lighting, and steering wheel controls for cruise, telephone, and audio functions.

The MD Electric is offered in Class 6 (25,995 lb. GVWR) and Class 7 (33,000 lb. GVWR) configurations, with 150 kWh or 240 kWh battery options. Both AC and DC charging are supported, and the vehicle includes a regenerative braking system.

Configurations: The MD Electric can be configured for dry van, refrigerated, stake/flatbed, or dump applications. The 107-inch bumper-to-back-of-cab measurement and wheel cut are designed to support urban maneuverability.

Rizon E16 and E18

A Daimler Truck brand, Rizon produces the all-electric E16 and E18 with various configurations. The E16M has two battery packs with a range of 75 to 110 miles, and the E16L has three, producing a 115- to 160-mile range. The E16M is available in four different wheelbases from 134 to 187 inches; the E16L is available with a 175- and 187-inch wheelbase. Both offer a GVWR of 15,995 lb.

The E18 has four different versions: E18M, E18Mx, E18L, and E18Lx. There are two battery packs in the E18M and E18Mx, and three battery packs in the E18L and E18Lx; however, because of their larger size, each model loses about 5 miles of range compared to the E16 models. The E18M and E18L offer a GVWR of 17,995 lb., and the E18Mx and E18Lx offer a GVWR of 18,800 lb.

All Rizon trucks include standard safety features, such as side assist, brake assist, and more.

Equal treatment: The trucks feature similar interiors, integrated steering wheel controls, touchscreen infotainment system, and digital instrument cluster.

Workhorse W56

The Workhorse W56 is an all-electric vehicle available as a step van or in stripped chassis configurations. It can be configured as a Class 5 or 6 vehicle.

Two wheelbase options are offered. The standard 178-inch wheelbase provides 1,000 cu. ft. of cargo capacity, while the extended 208-inch wheelbase provides 1,200 cu. ft. Both configurations include composite panel sidewalls.

The W56 has a battery-electric design that offers an estimated range of 150 miles at full payload and up to 170 miles under optimal conditions. The W56 has two battery pack options: 140 kWh and 210 kWh. The vehicle utilizes an integrated eAxle to bring 385 peak hp. The vehicle supports a payload of up to 10,000 lb.

Telematics: The platform includes Workhorse’s Metron telematics system, which provides remote monitoring of battery range and more than 500 other data points. Updates occur every 10 seconds, enabling trip tracking and route replays.

ZM Trucks

ZM Trucks, a new entrant into the North American market, produces a number of all-electric medium-duty vehicles: the ZM8 SWB, ZM8 LWB, and ZM12 BEV.

The ZM8 is offered in a short wheelbase (SWB) and long wheelbase (LWB), with the SWB at 138 inches and the LWB at 177 inches. The SWB is offered in a Class 4 (16,000 lb. GVWR) and Class 5 (19,500 lb. GVWR), while the LWB is available as a Class 5 and Class 6 (19,510 lb.). The Class 4 ZM8 SWB has a range of 165, and the Class 5 has a range of 150 miles. Both the Class 4 and 5 ZM8 SWB offer 150 hp and 170 lb.-ft. of torque.

The ZM8 LWB has an estimated range of 150 miles and offers 150 hp and 170 lb.-ft. of torque. The ZM12 BEV features a GVWR of 26,000 lb. (Class 6) and 28,000 lb. (Class 7) and can accommodate a payload of 13,000 and 15,000 lb. It has an estimated range of 240 miles for the Class 6 and 230 miles for the Class 7. It offers 350 hp and 370 lb.-ft. of torque.

Need more power? ZM also produces a Class 8 battery-electric truck (listed on page 44) as well as a Class 8 yard tractor.