This 15W-40 diesel motor oil is formulated to maintain engine cleanliness and reduce piston deposits and valve train wear in heavy-duty and pickup applications. It delivers thermal stability to minimize oil thickening during high-temperature operation and sustained towing or hauling. Suitable for mixed fleets, it protects both diesel and gasoline engines that call for SAE 15W-40 viscosity. Meets multiple industry specifications including API CK-4, Cummins CES 20086, Mack EOS-4.5 and Volvo VDS 4.5 for broad compatibility. Packaged in a one-gallon jug for convenient storage and standard service intervals.
| Base and Additives | Engine oil blend formulated with premium base oils and a targeted additive system for deposit control and wear protection |
| Viscosity Grade | SAE 15W-40 (multigrade) |
| Volume | 1 gallon (128 fl oz) |
| Compatibility / Application | Designed for diesel and gasoline engines in heavy-duty trucks, commercial vehicles, and light-duty pickups; suitable for mixed-fleet use |
| Performance Approvals | Meets/exceeds API CK-4; Cummins CES 20086; Mack EOS-4.5; Volvo VDS 4.5; Ford WSS-M2C171-F1; RVI RLD-3 |
| Package Type & Handling | Plastic jug with pour spout, resealable cap; store upright in a cool, dry place |
| Product Dimensions (L×W×H) | 8.31 × 4.56 × 11.04 inches (packaged jug) |
Castrol GTX Diesel Motor Oil 15W-40 1 Gallon Jug
SKU: Z74514
$45.99Price
