About This

• DOC'S DIESEL HEAVY DUTY DIESEL OIL - Doc's Diesel 15W-40 SEMI Synthetic Heavy Duty Diesel Oil is built for heavy-duty diesel engines that demand superior performance and long-lasting protection. Whether you’re operating a modern emissions-compliant fleet or maintaining reliable older equipment, this advanced formulation is engineered to deliver exceptional durability, cleanliness, and fuel efficiency under the toughest conditions.
• PRODUCT DETAILS – Advanced additives safeguard critical components and resist thermal breakdown under high-load, high-heat conditions. Excellent low-temp pumpability ensures fast lubrication and protection during cold starts and harsh weather. With enhanced oxidation and thermal stability, it reduces deposits for a cleaner engine. Formulated to meet GHG 17 emissions standards, it supports reduced carbon output and improved fuel economy.
• SPECIFICATIONS: Meets or Exceeds Major Specs API CJ-4/CK-4. SN and backwards compatible with CI-4, CI-4 Plus, CI-4, CH-4. Cummins CES 20086, DEUTZ DQC III-10 LA, Mack EOS 4.5, Renault VI RLD-4, Volvo VDS-4.5, ACEA E6/E9, Allison TES-439, Caterpillar ECF-3, Detroit Fluids Specification (DFS) 93K222, MAN M 3575, MB 228.51, MB 228.31, MTU Category 3.1
• REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer warranty. For Standard Service (normal duty), Engine Oil should be changed every 10,000 miles or 15,000 miles maximum. For Severe Service (heavy loads, towing, dusty or extreme conditions), it should be changed every 7,500 miles or 10,000 miles maximum. For Off-Road / Agricultural / Equipment, follow manufacturer guidelines (typically 250 – 500 hours).
• DOC’S DIESEL FILTERS - Doc’s is the new standard in aftermarket replacement filters, setting benchmarks for quality and reliability in the industry! Based in Northwest Ohio, our premium line includes engine air, cabin air, oil, and fuel filters, all engineered to meet or exceed OEM standards. We're a grassroots company dedicated to delivering exceptional value and unmatched commitment to our customers. Choose Doc's for superior performance, durability, and peace of mind for your vehicle.

Overview

• Viscosity : 15W40
• Brand : Doc's Diesel
• Vehicle Service Type : Truck
• UPC : 810180348980
• Manufacturer : Doc's Diesel
• Liquid Volume 1 Gallons : Package Information Bottle
• : Liquid Volume 1 Gallons
• : Package Information Bottle