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Generac G007042 Generator Set

The Generac G007042 is a 22 kW LP/NG standby generator set. It is available at 240 V, single-phase, 60 Hz and rated 91.7 A. It holds about 1.8 L (0.5 gal) of oil. Starting uses 1 group-26 battery rated 540 CCA at 12 V. The set measures 1219×635×737 mm (48.0×25.0×29.0 in), weighs about 198 kg (437 lb) and produces 67 dBA at 7 m.

22 kW
Standby
1.8 L
Oil capacity
3
Document types

How to read your Generac serial & model number →

Typical fuel consumption for 20–25 kW Bi-Fuel (NG/LP) generators →

Compare with other 20–25 kW Bi-Fuel (NG/LP) generators →

Specifications

FuelLP/NG
Frequency60.0 Hz
Standby power22 kW
ControllerEvolution, French, Portuguese), Spanish
Oil capacity1.8 L
AlternatorRevolution (2-pole, Class F insulation)
Voltage options240 V
Phase1
Rated current91.7 A
Power factor1.0
Circuit breaker100 A
Battery group26R
Battery cranking540 CCA
Battery voltage12 V
Battery quantity1
Dimensions (L×W×H)1219×635×737 mm
Dry weight198 kg
Sound level67.0 dBA @ 7 m

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filterApprox. 1.9 qt/1.8 L—200 hr
Fuel filterApprox. 1.9 qt/1.8 L—200 hr
Oil filterApprox. 1.9 qt/1.8 L—200 hr
Battery12 Volts, Group 26R 540 CCA minimum or Group 35AGM 650 CCA minimum—
BeltApprox. 1.9 qt/1.8 L—200 hr
Oil1.9—200 hr
Spark plugApprox. 1.9 qt/1.8 L—200 hr

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Service intervals

1
ItemActionHoursMonthsNotes
Engine oilChange200 hr24 moUp to a 2 year/200 hour oil change interval; full pressure lubrication system

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Service specifications

9
TypeItemValueUnitCondition
OtherCompression ratio9.5:1
OtherEngine start sequence16 sec on, 7 rest90 sec maximum durationcyclic cranking
PressureRequired fuel pressure to generator fuel inlet (LP gas)10-12in water column (2.49-2.99 kPa)at all load ranges
PressureRequired fuel pressure to generator fuel inlet (Natural gas)3.5-7in water column (0.87-1.74 kPa)at all load ranges
SpeedOperating rpm3,600rpm
SpeedOverspeed shutdown72Hz
VoltageUtility voltage monitor - dropout65%
VoltageUtility voltage monitor - pick-up80%
VoltageVoltage regulation±1%

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

How many kW is the Generac G007042?

The Generac G007042 is rated 22 kW standby.

What fuel does the Generac G007042 use?

The Generac G007042 runs on LP/NG.

What is the oil capacity of the Generac G007042?

The Generac G007042 has an engine oil capacity of 1.8 liters (1.9 US quarts), per the manufacturer specification sheet.

How loud is the Generac G007042?

The Generac G007042 is rated at 67.0 dBA at 7 m, per the manufacturer specification sheet.

How much does the Generac G007042 weigh?

The Generac G007042 has a dry weight of 198 kg (436 lb).

What voltages is the Generac G007042 available in?

The Generac G007042 is offered in 240 V, 1-phase.

How many cold cranking amps does the Generac G007042 require?

The Generac G007042 uses 1 battery, 12 V each, 540 CCA, group 26R, per the manufacturer specification sheet.

Which alternator is fitted to the Generac G007042?

The Generac G007042 uses a Revolution alternator. It has 2 poles. Insulation class F.

Parts

5
Part #DescriptionQtySystem
G005621-0Auxiliary Transfer Switch Contact Kit1Service part / kit Amazon Amazon eBay eBay
G006485-0Scheduled Maintenance Kit1Service part / kit Amazon eBay $24.99
G007005-0Wi-Fi LP Fuel Level Monitor1Service part / kit Amazon Amazon eBay eBay
G007103-1Breather Warmer1Service part / kit Amazon eBay $105.99
G007169-0Mobile Link® Cellular Accessories - 4G LTE1Service part / kit Amazon Amazon eBay eBay

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
Standby50%8.992.37
Standby100%13.483.56

Available documents

Spec sheet (Generac)Spec sheet — 16-22kw-guardian-standby-generator-specsheet (Generac)Spec sheet — 20-22-24kw spec sheet 2021 (Generac)Spec sheet — 20-24kw-guardian-standby-generator-specsheet (Generac)Spec sheet — generac A0000937818 (Generac)Reference — generac-20-24kw-spec-sheet-without-pwrview-a0000937814 2 (Generac)Reference — generac-20-24kw-spec-sheet-without-pwrview-a0000937814 3 (Generac)Reference — guardian-series-spec-sheet-16-22 (Generac)Reference — guardian-series-spec-sheet-16-22b (Generac)Parts manual — 13422928 (Generac)Parts manual — Generac Air Cooled 16 22kw 2018 specs (Generac)Parts manual — generac-home-generators-guardian-16kw-20kw-22kw spec-sheet-2017 (Generac)Parts manual — generac 10000000196 (Generac)

This page was generated from the 13 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.