
DURON™ line of premium performance multigrade diesel engine oils delivers industry leading protection against increased wear which can lead to lower productivity and impaired fuel economy. They’re formulated to exceed API CK-4 requirements and are suitable for use in the latest low emission systems. DURON is back serviceable and carries the API service CJ-4, CI-4 Plus, CI-4, and CH-4 licenses required by pre-2010 diesel engines.
DURON™ UHP 5W-30 is an Ultra High Performance Diesel engine oil formulated with synthetic base oils and high performance additives to deliver fuel economy benefits and exceptional protection against engine wear.
DURON™ SHP 10W-30 is a Super High Performance synthetic blend heavy-duty engine oil that delivers advanced engine protection and all-weather performance. It provides optimal engine durability and can deliver up to 1%* fuel economy improvements.
DURON™ UHP 10W-40 is an Ultra High Performance synthetic all-weather heavy-duty diesel engine oil. It is formulated to provide exceptional protection against engine wear and deliver extended drain performance (exceeding OEM standard intervals)† even in the harshest operating conditions.
DURON™ UHP 5W-40 and 0W-40 are Ultra High Performance synthetic engine oils that provide all-season protection and performance, especially in low temperature environments. DURON UHP 5W-40 and 0W-40 help conserve energy and reduce engine wear through ease of cold weather start-up and lower viscous drag.
DURON™ HP 15W-40 is a high performance heavy-duty engine oil that delivers all weather engine protection including dependable cold start up and exceptional shear stability. It can deliver extended drain capabilities (exceeding OEM standard intervals)†.
The railroad industry is tough, and you need a strong lubricants partner who really understands this business. Like Petro-Canada Lubricants, Red Giant Oil™ is also an HF Sinclair brand. Their RGO locomotive engine oils have been built over a century-long legacy of rail industry expertise. As engines have evolved, becoming even stronger and more powerful, so have Red Giant Oil™ products. HF Sinclair has focused on this sector, developing engine oils that are as reliable as our commitment to this industry.