Drivetrain changes help fuel efficiency

Mar 28, 2012

Truck maker Volvo and Allison Transmissions are not the only transmission makers involved in dramatically changing the performance of Class 8 tractor drivetrains. Read Overdrive‘s Technical Editor John Baxter’s March feature to see what innovations are going on under the hood of the newest models available to command more on-highway efficiency.

To learn about Volvo’s “engine downspeeding” and other recently applied concepts in drivetrain design, read “Drivetrain revolution” on Overdriveonline.com.

Clifton Parsley's 'Heavy Hook' 2024 Peterbilt 389 was voted by Overdrive readers as the 2025 Pride & Polish Limited Mileage champ. Parsley built the heavy rotator tow truck not only to work in his Cave City, Kentucky-based towing business, but to also promote a positive image of the towing industry to truckers.

'Heavy Hook' 2024 389's tall order: Promoting tow-company positivity to trucking

Kentucky-based CTS Towing owner-operator Clifton Parsley uses his custom 2024 Peterbilt 389, "Heavy Hook," to promote a positive image of the towing industry to truckers. Truckers recognized Parsley's efforts and the impressive work on the rig with a win in Overdrive's Pride & Polish.

Garmin Dash Cams - Powerful & Discreet - Capture every detail with Garmin Clarity HDR optics, premium HD, and wide 140 degree view.

'Who here knows their numbers?' For truck owners who do, and act on them, profits stack up

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Drivetrain changes help fuel efficiency

'Heavy Hook' 2024 389's tall order: Promoting tow-company positivity to trucking

Non-domiciled CDLs are back: New Jersey resumes issuance after FMCSA crackdown

Overdrive's 2026 Trucker of the Year honors: Enter your business

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Garmin Dash Cams - Powerful & Discreet - Capture every detail with Garmin Clarity HDR optics, premium HD, and wide 140 degree view.

'Who here knows their numbers?' For truck owners who do, and act on them, profits stack up