Heavy Duty Trucking Logo
MenuMENU
SearchSEARCH

Warren Oil Launches Lubriguard 15W40 CJ-4/SM

Warren Oil, Dunn, N.C., launched Lubriguard15W40 CJ-4/SM heavy duty diesel engine oil containing SootSlayer Technology

by Staff
September 2, 2008
1 min to read


Warren Oil, Dunn, N.C., launched Lubriguard15W40 CJ-4/SM heavy duty diesel engine oil containing SootSlayer Technology.

Lubriguard 15W40 has twice the soot handling capability of typical API CI-4 engine oils, according to the company, and is engineered to maximize engine performance and engine life in today's hotter-running low-emissions engines as well as in yesterday's more conventional engines. It exceeds all performance criteria of the new API CJ-4 service category as well as previous service categories.

With a high starting TBN's and strong TBN retention rates, the product is formulated to provide outstanding performance in extended drain applications and in mixed fleets at all diesel fuel sulfur levels from ultra low sulfur diesel fuels containing 15 ppm sulfur to off-highway diesel fuels containing up to 500 ppm sulfur.

Subscribe to Our Newsletter

More Products

SponsoredFebruary 1, 2026

Reducing Fleet Downtime with Advanced Diagnostics

This white paper examines how advanced commercial vehicle diagnostics can significantly reduce fleet downtime as heavy duty vehicles become more complex. It shows how Autel’s CV diagnostic tools enable in-house troubleshooting, preventive maintenance, and faster repairs, helping fleets cut emissions-related downtime, reduce dealer dependence, and improve overall vehicle uptime and operating costs.

Read More →
SponsoredFebruary 1, 2026

Stop Watching Footage, Start Driving Results

6 intelligent dashcam tactics to improve safety and boost ROI

Read More →
SponsoredJanuary 19, 2026

3 New Ways Fleet Software Pays: ROI opportunities for modern fleet managers

Safety, uptime, and insurance costs directly impact profitability. This eBook looks at how fleet software is evolving to deliver real ROI through proactive maintenance, AI-powered video telematics, and real-time driver coaching. Learn how fleets are reducing crashes, defending claims, and using integrated data to make smarter operational decisions.

Read More →
Ad Loading...
SponsoredJanuary 19, 2026

Basic Tracking vs Next Generation Fleet Technology

Fleet software is getting more sophisticated and effective than ever, tying big data models together to transform maintenance, safety, and the value of your existing tech stack. Fleet technology upgrades are undoubtedly an investment, but updated technology can offer a much higher return. Read how upgrading your fleet technology can increase the return on your investment.

Read More →
Illustration of new Continental truck tires with urban background
Productsby News/Media ReleaseJanuary 6, 2026

Continental Tire Adds Size Extension to Regional Drive and Steer Tires

The Conti HDR 5 and Conti HSR 5 tires are now available in size 245/70R19.5, designed for urban and regional fleets in high-scrub environments

Read More →
SponsoredNovember 12, 2025

The Fleet Leader’s Guide to Maximizing Fleet Financial Performance

Boost your fleet's financial performance with our essential guide, "Maximizing financial impact." Learn to define KPIs, strategically use data to reduce costs, and leverage automation for more efficient operations. Download it today and discover your potential for improved financial performance!

Read More →
Ad Loading...
Close-up of a trailer equipped with Phillips Connect SolarNet 8000 Series showing connected icons for GPS tracking, cargo monitoring, and tire pressure data.
Fleet Managementby News/Media ReleaseNovember 4, 2025

Phillips Connect SolarNet 8000 Series Combines Smart Trailer Functions in One Platform

Phillips Connect’s SolarNet 8000 Series integrates trailer tracking, cargo visibility, and tire performance monitoring into one solar-powered smart trailer platform.

Read More →
Continental logo over tire tread background representing the launch of the ContiTread HTR retread for regional and long-haul trailer applications.
Productsby News/Media ReleaseOctober 23, 2025

Continental Regional Trailer Retread Designed for Long Life

Continental's latest ContiTread HTR retread tire is designed to improve durability and casing life for trailer applications in regional and long-haul operations.

Read More →
Peterbilt 2025 model lineup.
Productsby Jack RobertsApril 17, 2025

Peterbilt's New Trucks and Technology Upswing

New general manager Jake Montero said a raft of new products and new technologies both in -- and outside of -- its trucks have Peterbilt positioned for strong grown in 2025.

Read More →
Ad Loading...
Goodyear Cooper Work Series RHA 2 Tire.
Productsby News/Media ReleaseFebruary 20, 2025

Goodyear Introduces Cooper Work Series RHA 2 Tire

Goodyear said its Cooper Work Series RHA 2 tire combines the fuel efficiency of a long-haul tire with the toughness of a high-scrub regional tire for super-regional and regional all-position commercial applications

Read More →