1998 Ford RV Cutaway Oil Type & Capacity
The 1998 Ford RV Cutaway oil type depends on the engine: the E350, 5.4 L takes 5W-20 (6.0 quarts with filter); the E350, 6.8 S takes 5W-20 (6.0 quarts with filter); the E350, 7.3 F takes 15W-40 (15.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- E350, 5.4 L: 5W-20, 6.0 quarts with filter
- E350, 6.8 S: 5W-20, 6.0 quarts with filter
- E350, 7.3 F: 15W-40, 15.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| E350, 5.4 L — E350,5.4L Eng | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | 5.00 QTS. | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
| E350, 6.8 S — E350,6.8L Eng | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | 5.00 QTS. | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
| E350, 7.3 F — E350,7.3L Eng | SAE 15W-40 Super Duty (Normal Operation), SAE 30 Single Weight Super Duty (Severe Operation) | 15.00 QTS. | 13.00 QTS. | — |
Buy the right oil
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More specs & repair guides for your RV Cutaway
1998 Ford RV Cutaway factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
29.0 quarts (27.44 L) — 50/50 mixture of FORD Premium Cooling System Fluid and water
Frequently asked questions
What type of oil does a 1998 Ford RV Cutaway take?
It depends on the engine: E350, 5.4 L uses 5W-20; E350, 6.8 S uses 5W-20; E350, 7.3 F uses 15W-40.
How much oil does a 1998 Ford RV Cutaway take?
Capacity depends on the engine: E350, 5.4 L holds 6.0 quarts with filter; E350, 6.8 S holds 6.0 quarts with filter; E350, 7.3 F holds 15.0 quarts with filter.
Can I use synthetic oil in my 1998 Ford RV Cutaway?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Ford RV Cutaway. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.