DuroMax XP12000EH oil type and capacity, spark plug and battery
GarageDex's data from DuroMax's own published specs: the DuroMax XP12000EH takes 10W-30 oil (40.5 fl oz (1.2 L)) and an F6RTC type, e.g. NGK BPR6ES spark plug gapped 0.7-0.8 mm (0.028-0.031 in). It is rated 9,500 running watts and 12,000 starting watts.
Shop 10W-30 oil The spec in the DuroMax XP12000EH manual
Key takeaways
- Oil capacity: 40.5 fl oz (1.2 L). Add it in stages and stop at the dipstick's full mark rather than pouring the whole amount at once.
- Spark plug: F6RTC type, e.g. NGK BPR6ES, gap 0.7-0.8 mm (0.028-0.031 in).
- Every value on this page is quoted from DuroMax's own manual or spec page, linked beside it.
| Item | Spec | From the manual |
|---|---|---|
| Engine oil | SAE 10W-30viscosity chart by temperature in manual | “Engine oil recommended: SAE 10W-30.” source |
| Oil capacity | 40.5 fl oz (1.2 L) | “Engine Oil Capacity 40.5 fl. oz (1.2 L)” source |
| Spark plug | F6RTC type, e.g. NGK BPR6ES | “using an F6RTC spark plug such as NGK BPR6ES.” source |
| Spark plug gap | 0.7-0.8 mm (0.028-0.031 in) | “The gap should be 0.7-0.8 mm (0.028-0.031 in).” source |
| Starter battery | 12V DC | “Battery - 12V DC battery that powers the electric start system.” source |
| Fuel tank | 8.3 US gal (31 L) | “Gas Tank Capacity 8.3 US gal. (31 L)” source |
| First oil change | change oil after first 6-8 hours (conventional oil during break-in) | “Run the generator for the first 6-8 hours on conventional oil, then change the oil.” source |
Parts for the DuroMax XP12000EH
Each Buy button searches Amazon for the exact spec in the manual.
- Engine oil10W-30, 40.5 fl oz (1.2 L)Buy
- Spark plugF6RTC type, e.g. NGK BPR6ESBuy
- Starter battery12V DCBuy
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Other DuroMax generators
Source: DuroMax XP12000EH Owner's Manual (PDF). If your unit's own manual or label differs, follow it.