The 2007 Ram 1500 with a 5.7 Hemi is standardly filled with SAE 5W-20 engine oil, with 5W-30 as a suitable alternative in hot climates or for heavy-duty use. Oil that meets Chrysler’s MS-6395 specification and API service category SM or newer is required.
Understanding the oil requirements for this vintage Ram involves more than just the viscosity. You’ll want to consider climate, towing or load, whether you’re using conventional or synthetic oil, and the recommended oil capacity. The vehicle’s manual and Chrysler specifications guide these choices to protect the engine and maintain performance.
Recommended oil specifications and capacity
To help you navigate the decision, here is a concise guide to the key oil specifications, capacity, and practical usage for the 2007 5.7 Hemi Ram.
- Viscosity: SAE 5W-20 is the standard grade; 5W-30 can be used in hot climates or when towing/heavy loads require a thicker oil.
- Standards: Oil should meet Chrysler MS-6395 and API service category SM (or newer).
- Oil type: Conventional, synthetic-blend, or full synthetic oils are acceptable as long as they meet MS-6395 and the API specification.
- Oil capacity: Approximately 7 quarts of oil, plus one oil filter (roughly 6.5–7 quarts when changing the filter).
- Change interval: Conventional oil typically recommended every 3,000–5,000 miles; synthetic oil can extend to about 5,000–7,500 miles, depending on driving conditions and manufacturer guidance.
In practice, many owners stick with 5W-20 for everyday driving and reserve 5W-30 for consistently hot climates or extended towing, ensuring the oil meets the MS-6395 spec and is suitable for the vehicle’s age and mileage.
Choosing between conventional and synthetic oil
While conventional oils are perfectly acceptable, synthetic or synthetic-blend oils offer enhanced protection, especially in extreme temperatures or if the vehicle has higher mileage. Regardless of the oil type, ensure it carries the MS-6395 certification and an API service rating at least SM or newer.
For best results, consult the owner’s manual or a trusted dealer/ mechanic to confirm the latest guidance for your specific truck’s mileage, climate, and usage pattern.
Climate and driving considerations
Climate and driving style influence the oil you choose. In cold climates, 5W-20 provides better cold-start protection, while in hot climates or when performing heavy towing, 5W-30 can help maintain adequate oil film thickness. If you frequently drive in stop-and-go traffic or endure extreme temperatures, you may opt for higher-grade synthetic oil to maximize engine protection.
Always verify the oil specification on the bottle label and ensure it meets MS-6395 and API SM or newer before pouring it into your engine. Regular oil level checks and timely changes are essential for long-term engine health in a 2007 Ram 1500.
Summary
For a 2007 Dodge Ram 1500 with a 5.7 Hemi, the recommended oil is SAE 5W-20, with 5W-30 as a valid alternative in hot conditions or under heavy load. Use oil that meets Chrysler MS-6395 and API SM (or newer). The engine typically holds about 7 quarts of oil with a filter, and change intervals vary by oil type: roughly every 3,000–5,000 miles for conventional oil and up to 7,500 miles for synthetic, depending on driving conditions. Choosing between conventional and synthetic depends on climate, driving habits, and mileage, but either should meet the MS-6395 specification for proper protection.


