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Vocational

Battery electric
RIZON targets vocational fleets with new electric truck combo body
RIZON's new electric truck combo body combines secure tool storage and a cargo bed, qualifying for up to $130,000 in CA and WA state incentives.
July 9, 2026
A one-of-a-kind configuration combines lockable storage and a spacious cargo bed in a single zero-emission vehicle. The body supports unique options including cranes, ladder racks, generators, lift gates, and work lighting for a wide range of vocational applications.
Test Drives
A quick spin in Peterbilt’s Model 536EV
The Class 6 truck and its Class 7 big sister, the 537EV, are designed for regional delivery as well as service and utility trucks.
July 3, 2026
Peterbilt 536ev
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July 1, 2026
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Class 3-6
Cummins delays launch of X10, new 7-liter B-Series
Cummins will continue to use its B6.7, L9, and X12 engines, but they will not comply with EPA27 standards.
June 30, 2026
To manage compliance with upcoming emissions regulations, Cummins is delaying the launches of its X10 and B7.2 engines, choosing instead to temporarily extend production of non-compliant legacy models and pass the resulting regulatory fines along to truck manufacturers.
Trucks
Cummins bets on 10-liter engine for heavy-, medium-duty crossover
More horsepower, biting torque, and an extended service interval: Cummins’ new X10 engine brings heavy-duty power to vocational trucking without sizing up.
June 3, 2026
X10 2024 Cam06 Engine
Alternative power
Propane: A low cost, low emission solution for medium-duty trucks
Most focus is on Class 8, but Classes 4-7 are substantial fuel consumers and propane is the "sweet spot" for urban, high-mileage medium-duty trucks.
April 30, 2026
Adobe Stock 1983708614 Editorial Use Only
Trucks
Get up close with Volvo's VHD
CCJ recently got and up-close look at Volvo's VHD, a truck that made its debut six years ago.
March 26, 2026
Volvo Vhd 300 Walkaround Conexpo 2026
Trucks
Quick peek at Kenworth's newest (and biggest) truck
The C580 comes standard with EPA-compliant Cummins power with ratings up to 605 horsepower and 2,050 lb-ft of torque.
March 16, 2026
Kenworth C580
Trucks
Mack's revamped Granite model
The all-new Mack Granite will be available in day cab and 44-inch sleeper configurations in both axle-forward and axle-back positions.
March 4, 2026
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Vocational
Mack revamps its Granite vocational tractor
Mack's new vocational truck offers performance improvements over previous generations.
March 4, 2026
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Trucks
Kenworth unveils extreme-duty C580, successor to the C500
The new off-highway and severe-service truck replaces the C500 in Kenworth's lineup.
March 3, 2026
The C580 features a large 1,780-square-inch cooling module and is designed to handle high-horsepower operation in stationary, high-altitude, and extreme-heat environments.
Vocational
Farewell Mack Pinnacle: Feature-rich Keystone added to vocational truck platform
The Keystone succeeds the Pinnacle in Mack's truck portfolio.
March 3, 2026
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Trucks
Allison's 4000 full auto trans now available for Paccar's MX13 CARB engine
The Allison 4000 Series transmission is available for Kenworth T880 and Peterbilt Model 567.
July 31, 2025
Allison's 4000 Series fully automatic transmission is now available with the new CARB low NOx compliant PACCAR MX-13 engine for Kenworth T880 and Peterbilt Model 567 truck models.
Trucks
Kroger drivers vote to go on strike at Georgia DC
30 CDL drivers voted by a 96% margin to join the Teamsters union last year. Also: Paccar's TX-12 PRO automated transmission now available with the MX-13 engine for Kenworth’s T680, T880 and W990 models; Port of Savannah launches new app to help truck drivers.
May 28, 2025
Screenshot 2025 05 28 At 5 52 22 Am
Alternative power
Check out Peterbilt's first electric work truck, the Model 567EV
Get an up-close look at Pete's newest battery electric truck.
May 12, 2025
Peterbilt 567 Ev Vocational Bev 00000
Test Drives
Mack's new, bigger and more capable MD
Mack's medium duty model gets a little bigger and beefier.
May 7, 2025
The Mack MD Series cab was updated in January to a larger cab with bumper-to-back-of-cab (BBC) measurement of 107 inches and to better match the look and styling of the Mack Anthem.
Trucks
Kenworth expands zero-emissions lineup with T680E and T880E
Kenworth amps up its electric lineup with the new T680E and T880E, built for faster charging and longer range.
April 28, 2025
Kenworth T680E and T880E
Trucks
Peterbilt launching first vocational BEV, the Model 567EV
The industry's first electric vocational truck will be equipped with a new Paccar electric powertrain.
April 28, 2025
Peterbilt's 567EV will be the first heavy duty electric vocational truck to hit the market.
Trucks
The year of the CAT?
Caterpillar, once a giant player in semi truck engines, left the business almost a decade ago. Could it come back?
March 25, 2025
CAT semi trucks
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Top Stories
International Lt S13 Integrated Powertrain Test Drive
Test Drives
Go for a spin with International's S13 powertrain
CCJ Editor Jason Cannon test-drives the International LT truck to demonstrate how its proprietary, highly integrated S13 powertrain delivers a quiet, fuel-efficient ride while remaining fully compliant with upcoming 2027 emissions standards.
Adobe Stock 1242270
Industry
Penny pinched: Truck stop group says penny rounding plagues transactions
Adobe Stock 313923071
CCJ Top 250
Skyrocketing insurance costs put the brakes on big trucking profits
Beyond, the updated 2027 NOx regulations, President Trump's EPA has also relaxed several emissions control measures in recent months that, the agency claims, make the systems more reliable and easier to repair, while also giving fleets and operators more flexibility.
Emissions
EPA proposes to end DEF derates for good, scale back warranty requirements
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