The 13000 Tri-Fuel puts out 10,000 W continuously and up to 13,000 W for a few seconds when a motor starts. On propane it's rated at 9,100 W running and 12,000 W starting. On natural gas it's rated at 7,800 W running and 10,000 W starting. It runs up to 12.1 h on gasoline at 50% load on a full 10.7 gal40.5 L tank. Noise is rated at 78.5 dBA at 23 ft, 50% load. It takes 1.3 qt1.2 L of engine oil, and the source recommends SAE 10W-30. The spark plug is LG / Torch F7RTJC or equivalent, gap 0.031–0.039 in.
Specifications
Units: /| Power | |
|---|---|
| Running output | 10,000 W 1 |
| Starting output | 13,000 W 1Harbor Freight calls this maximum starting watts. |
| Running output on propane | 9,100 W 1 |
| Starting output on propane | 12,000 W 1 |
| Running output on natural gas | 7,800 W 1 |
| Starting output on natural gas | 10,000 W 1 |
| Voltage | 120/240 V, 60 Hz 1 |
| Engine | |
| Engine | Horizontal single cylinder, 4-stroke OHV, forced-air cooled 1 |
| Displacement | 458 cc 1 |
| Fuel | 87+ octane, stabilizer-treated unleaded gasoline; LPG/propane; or natural gas 1Propane needs a 40 lb tank minimum. Natural gas needs a 1/2 in minimum supply line at 5–9 in WC. |
| Starting | Electric, remote and recoil 1 |
| Fuel and run time | |
| Tank | 10.7 gal40.5 L 1 |
| Run time | 12.1 h 1on gasoline at 50% loadOn propane: 16 hours at 50% load with a 100 lb tank. |
| Size and noise | |
| Noise | 78.5 dBA 1at 23 ft, 50% load |
| Outlets | |
| Outlets | 4 × 120 V 20 A GFCI 1 × 120 V 30 A twist-lock (L5-30R) 1 × 120/240 V 30 A twist-lock (L14-30R) 1 × 120/240 V 50 A (NEMA 14-50R) |
| Other | |
| CO shutdown | Carbon monoxide shutoff 1 |
| Emissions certification | EPA 1 |
| Warranty | 90 days retail; 2 years on the emissions control system 1 |
Oil, spark plug and service
What to have on the bench before an oil change or tune-up.
| Oil capacity | 1.3 qt1.2 L 1 |
| Oil type | SAE 10W-30 1 |
| Spark plug | LG / Torch F7RTJC or equivalent, gap 0.031–0.039 in 1 |
| Change oil every | After the 30-hour break-in, then every 6 months or 100 hours 1 |
Parts
Search links for common parts. Check the part number against the label on your unit before you buy.
| Part | Find it |
|---|---|
| Air filter | Amazon · eBay |
| Spark plug | Amazon · eBay |
| Engine oil | Amazon · eBay |
| Generator cover | Amazon · eBay |
We may earn a small commission if you buy through these links. It doesn't change what we list. More.
Model numbers
This page covers model number 71386. Brands often sell the same name under several numbers with small differences, so check the label on the frame.
Compare
Often compared: DuroMax XP13000EH, DuroMax XP12000EH, Westinghouse WGen9500DF
Questions people ask
How much oil does the Predator 13000 Tri-Fuel take?
1.3 qt1.2 L. Oil type: SAE 10W-30. Oil change: After the 30-hour break-in, then every 6 months or 100 hours.
What spark plug does the Predator 13000 Tri-Fuel use?
LG / Torch F7RTJC or equivalent, gap 0.031–0.039 in, according to the source. Check the plug in your unit before you buy a replacement.
How long does the Predator 13000 Tri-Fuel run on a tank?
12.1 h. That's on gasoline at 50% load, according to the source. More load means less time.
How loud is the Predator 13000 Tri-Fuel?
78.5 dBA. Measured at 23 ft, 50% load.
What's the difference between 10,000 W and 13,000 W?
10,000 W is what it can supply continuously. 13,000 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.
Notes
- Harbor Freight item 70476 (owner's manual dated 2023) has the same specifications as item 71386. Source 2.
Sources
- Harbor Freight owner's manual, item 71386 (UPC 193175546814). Owner's manual, accessed November 12, 2026.
- Harbor Freight owner's manual, item 70476 (UPC 193175498267). Owner's manual, accessed November 12, 2026.
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