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Generac Protector QS Series Generator Set

The Generac Protector QS Series is a 48 kW standby generator set powered by a Generac 5.4L engine. It holds about 5.7 L (1.5 gal) of oil and 11.36 L (3.0 gal) of coolant. Starting uses group-26 battery at 12 V. The set measures 1950×1194×1170 mm (76.8×47.0×46.1 in) and weighs about 705 kg (1554 lb).

48 kW
Standby
5.4 L
Displacement
5.7 L
Oil capacity
1
Document types

How to read your Generac serial & model number →

Specifications

Standby power48 kW
Oil capacity5.7 L
Battery group26
Battery voltage12 V
Dimensions (L×W×H)1950×1194×1170 mm
Dry weight705 kg

Engine

Generac 5.4L
Oil capacity5.7 L
Coolant capacity11.36 L
Displacement5.4 L
AspirationNaturally Aspirated
Rated speed1800 rpm

Common questions

What is the power rating of the Generac Protector QS Series?

The Generac Protector QS Series is rated 48 kW standby.

What engine does the Generac Protector QS Series use?

The Generac Protector QS Series is powered by the Generac 5.4L engine.

What is the oil capacity of the Generac Protector QS Series?

The Generac 5.4L engine in the Generac Protector QS Series has an oil capacity of 5.7 liters.

Parts

2
Part #DescriptionQtySystem
058208BATTERY 12V GRP 26Battery Amazon eBay $50.00 PartsGeek
077483BATTERY 12V GRP 26 NEGATIVE GROUNDBattery Amazon eBay $44.99 PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Standby1.70.44
Standby25%4.21.1
Standby50%7.82.1
Standby75%10.52.8
Standby100%13.03.4

Available documents

Spec sheet — generac-generators-spec-sheet protector-qs-22kw-48kw-2017-1115 (Generac)