HomeGeneracGenerac GP1800

Generac GP1800 Generator Set

The Generac GP1800 is a 1.8 kW (2.05 kVA) gasoline prime generator set powered by a Generac OHV engine. It is available at 120 V, 1-phase, 60 Hz and rated 15 A. It holds about 0.6 L (0.2 gal) of oil. The set measures 596.9×431.8×444.5 mm (23.5×17.0×17.5 in) and weighs about 35.83 kg (79 lb). An integrated tank holds 15.14 L (4.0 gal), roughly 14.5 hours of runtime.

0.212 L
Displacement
0.6 L
Oil capacity
3
Document types

Specifications

Fuelgasoline
Frequency60.0 Hz
Prime power1 kW
EmissionsEPA/49-State/CSA
Oil capacity0.6 L
Voltage options120 V
Phase1
Rated current15 A
Circuit breaker15 A
Dimensions (L×W×H)596×431×444 mm
Dry weight35 kg
Fuel tank15.14 L
Tank runtime14.5 hr

Engine

Generac OHV
Oil capacity1.1 L
Displacement0.212 L
Rated speed3600 rpm

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter find
Belt find
Coolant
Fuel filter find
OilAbove 40°F, use SAE 30. Below 40°F and down to 10°F, use 10W-30. Below 10°F, use synthetic 5W-30.100 hr
Oil filter find

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

Parts

17
Part #DescriptionQtySystem
002404Spark Arrestor ScreenSpark arrestor screen buy
007847Air Filter AssemblyAir filter buy
009207Spark PlugSpark plug buy
0J00620106Spark Plug1Spark plug NAPA $2.82 Amazon eBay $18.49
10000038386Battery Type: Lead Acid (12V DC, 6 Ah)1Battery buy
581926R Wet Cell BatteryBattery NAPA $51.34 Amazon eBay $3.89
006806-0Scheduled Maintenance KitService part / kit Amazon eBay
5865Cold Weather KitService part / kit NAPA $142.05 Amazon eBay $12.21
6003Scheduled Maintenance KitService part / kit Amazon eBay $11.50
696471068528Transfer Switch Model 6852Service part / kit buy
696471068535Transfer Switch Model 6853Service part / kit buy
696471071481Transfer Switch Model 9854Service part / kit buy
696471071498Transfer Switch Model 9855Service part / kit buy
7129-0UPC: 696471072716 (50-State/CSA)1Service part / kit buy
7668-0UPC: 696471073102 (50-State/CSA)1Service part / kit buy
96471068542Transfer Switch Model 6854Service part / kit buy
G006806-0Scheduled Maintenance KitService part / kit buy

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
Prime
Prime100%16.284.3
Standby

Available documents

BrochureSpec sheetService manual