Generac GP17500E

Portable generator, 17,500 W running. Made by Generac Power Systems.

2 sources

The GP17500E puts out 17,500 W continuously and up to 26,250 W for a few seconds when a motor starts. It runs up to 10 h at 50% load on a full 16 gal60.6 L tank. It weighs 390 lb177 kg. It takes 1.7 qt1.6 L of engine oil, and the source recommends 10W-30 / SAE30.

Specifications

Units: /
Power
Running output17,500 W 1
Starting output26,250 W 1Generac calls this maximum output motor starting watts.
Voltage120/240 V, 60 Hz 1
Engine
EngineGenerac OHVI 1
Displacement992 cc 1
StartingElectric 1
Fuel and run time
Tank16 gal60.6 L 1
Run time10 h 1at 50% load
Size and noise
Weight390 lb177 kg 1
Length × width × height48.5 × 31 × 39.5 in1,232 × 787 × 1,003 mm 1
Outlets
Outlets
1 × 120 V 20 A GFCI duplex (5-20R)
1 × 120 V 20 A duplex (5-20R)
2 × 120 V 30 A twist-lock (L5-30R)
1 × 125/250 V 30 A twist-lock (L14-30R)
1 × 125/250 V (14-50R)
12 V DC 10 A
Other
Emissions certificationEPA/49-State (configuration 5735-2) 1
Warranty2 years limited residential, 1 year limited commercial 1

Oil, spark plug and service

What to have on the bench before an oil change or tune-up.

Oil capacity1.7 qt1.6 L 1With filter change. Without filter change: 1.4 qt (1.3 L).
Oil type10W-30 / SAE30 1

We're still missing some service figures for this model. Have the owner's manual? Send it over.

Parts

Search links for common parts. Check the part number against the label on your unit before you buy.

PartFind it
Oil filterAmazon · eBay
Air filterAmazon · eBay
Spark plugAmazon · eBay
BatteryAmazon · eBay

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Model numbers

This page covers model number 5735-2. Brands often sell the same name under several numbers with small differences, so check the label on the frame.

Compare

Often compared: DuroMax XP13000EH, Predator 13000 Tri-Fuel, Westinghouse WGen11500TFc

Questions people ask

How much oil does the Generac GP17500E take?

1.7 qt1.6 L. Oil type: 10W-30 / SAE30.

How long does the Generac GP17500E run on a tank?

10 h. That's at 50% load, according to the source. More load means less time.

How much does the Generac GP17500E weigh?

390 lb177 kg.

What's the difference between 17,500 W and 26,250 W?

17,500 W is what it can supply continuously. 26,250 W is a short burst for the moment a motor (a fridge, a pump, an AC unit) starts up.

Notes

  • Generac model 5735 appears in CARB Executive Orders for large spark-ignition engines for model years 2009 and 2010 (U-L-015-0008, U-L-015-0008-1 and U-L-015-0010). The 2018 spec sheet lists configuration 5735-2 as EPA/49-State. Source 2.

Sources

  1. Generac GP17500E spec sheet, part no. 0196640-D (Wayback Machine copy, 7 May 2024). Manufacturer, accessed November 12, 2026.
  2. CARB Executive Order summary, large spark-ignition engines (exhaust), EOs U-L-015-0008, -0008-1, -0010. Regulator, accessed November 12, 2026.

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