Chevron Delo XLE SB 3G 15W40: A Smart Choice for Your Engine- A synthetic blend oil that offers longer oil life, better wear protection, and longer engine life for on-highway and off-highway vehicles. Chevron Delo XLE SB 3G 15W40 (2 Pack, 6 Quart Smart Change Boxes) Delo 400 XLE SB SAE 15W-40 with ISOSYN Advanced Technology. The Next Generation of Heavy Duty Engine Oil Chemistry - engineered to deliver longer oil life, better wear protection, and longer engine life. Delo 400 XLE SB SAE 15W-40 with ISOSYN Advanced Technology provides the same level of protection you expect from an SAE 15W-40  but in a synthetic blend heavy-duty engine oil. It is specifically formulated for on-highway applications, including 2017 Greenhouse (GHG 17) compliant diesel engines with lower CO2 emissions, in addition to 2010 compliant low emission and off-highway Tier IV diesel engines with Selective Catalytic Reduction (SCR), Diesel Particulate  Filter (DPF) and Exhaust Gas Recirculation (EGR) systems calling for  SAE 15W-40 premium heavy duty motor oil. Additionally, Delo 400 XLE SB SAE 15W-40 has excellent performance in Allison heavy-duty transmission units requiring Allison TES-439  approval and provides excellent shear stability and component protection. It is fully compatible with previous engine models and previous API Oil  Service Categories. Delo 400 XLE SB SAE 15W-40 has a wide range of specifications and approvals, it is recommended for todays most modern on-highway low-emission designs as well as older on-highway diesel engines.  This versatile oil meets stringent emissions standards, making it an ideal choice for various industries, including oil and gas, construction,  agriculture, marine, and mining. Delo 400 XLE SB SAE 15W-40 is recommended for use: ACEA E11, Allison TES-439, Caterpillar ECF-3, DEUTZ DQC III-18 LA, DTFR 15C100 (previously known as MB 228.31), Ford WSS-M2C171-F1, JASO DH-2, MAN M3775, MTU Category 2.1