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Generac · Portable generator · GP8000E COsense 49ST

GP8000E COsense 49ST

GP8000E COsense 49ST delivers up to 8,000 running watts and 10,000 starting watts from a portable gasoline system.

8,000W ratedPortable generatorGasolineListed available
Check Generac price Official listed price $1,179.00
Portable Generator, 8000 | Electric Start with Cord | 49ST
Official product image · Generac

Infographic gallery

Output, stored energy, charging, and portability.

01 · Usable output

8,000W rated output

Gasoline8,000W / 10,000W

The comparison uses Generac’s published rated and peak, surge, or maximum output figures.

02 · Energy & runtime

Energy source

Gasoline

Published runtime guidance

10 hours at 50% load on the primary listed fuel

03 · Size & construction

198 lb

Listed weight

27.2 × 27 × 26.5 in

Dimensions

Battery or engine
OHV
Warranty
See the official Generac warranty document for this model
04 · Charging & continuity

Charging or integration

Fueling and starting per Generac instructions; manual transfer equipment sold separately

Backup transfer

Not an automatic standby system; approved manual transfer equipment is required for home connection

Noise

No official dBA figure listed on the model page

Official product gallery

Product views and factory feature graphics.

The current official image set for GP8000E COsense 49ST includes product views, connection diagrams, feature explanations, and compatible system configurations where Generac publishes them.

GP8000E COsense 49ST official Generac image 1
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GP8000E COsense 49ST official Generac image 8
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Complete specifications

The complete factory data available for comparison.

These pages retain Generac's model-specific output, charging, battery, port, continuity, dimensions, environmental, engine, fuel, app-control, and warranty fields where published.

Run combustion generators outdoors only. Keep the generator at least 20 feet from occupied buildings with exhaust directed away from doors, windows, and vents.

Comparison summary

Gasoline output
8,000W running / 10,000W starting or surge
Energy source
Gasoline
Dimensions
27.2 × 27 × 26.5 in
Listed weight
198 lb
Price and availability
$1,179.00 official MSRP; check current availability from Generac

Factory output & connection specifications

Generac model number
G0076755
Gasoline output
8,000W running / 10,000W starting
Fuel Tank Capacity (gal)
7.9
Fuel Tank Capacity (l)
29.9
Oil Capacity (qt)
1.06
Oil Capacity (l)
1
Running Watts (W)
8,000
Starting Watts
10,000
WiFi Factory Installed
No

Factory charging & battery specifications

Battery Included
Yes
Battery Type
Sealed, Lead Acid
Battery Size
12V DC, 9Ah

Factory engine, fuel & runtime specifications

Starting Method
Electric Start w/Recoil Backup
Engine Type
OHV
Run Time @@ 50% Load (hr)
10

Factory dimensions & operating specifications

Dimensions
27.2 × 27 × 26.5 in
Listed weight
198 lb
Wheel Kit Included
Yes
Length (in)
27.2
Length (cm)
69.2
Length (in)
27
Length (cm)
68.4
Length (in)
26.5
Length (cm)
67.4
Weight (kg)
90
Weight (lb)
198

Additional factory specifications

Base model / SKU
76755_
Official MSRP
$1,179.00
Extension Cord Included
Yes
Parallel Capable
No
Transfer Switch Included
No
Non Wi-Fi / NFPA 110 Capable
No
Mobile Link
No
Quiet Test
No

Official feature details

System capability

GP8000E COsense 49ST delivers up to 8,000 running watts and 10,000 starting watts from a portable gasoline system.

Power delivery

GP Series 8000E | Electric Start with Cord | 49ST.

Safety and controls

The GP8000E COsense® offers powerful protection against hazardous carbon monoxide .

Runtime and fueling

Engineered to detect building amounts of CO faster than a household carbon monoxide monitor.

Portability detail

COsense® Technology STOPS, ALERTS, SAVES.

Connection options

Powerful protection from hazardous carbon monoxide.

Ownership note

PowerRush ™ ADVANCED TECHNOLOGY delivers 30% more starting capacity allowing you to do more with less.*.

Additional manufacturer note

Electric Start model for easy operation.

Best-fit uses

  • High-demand home backup
  • Large tools and equipment
  • Emergency power
  • Professional jobsites

Standout features

  • 8,000W maximum rated output
  • 10,000W maximum starting or surge output
  • Gasoline
  • Portable generator

Match capacity and output to your actual loads.

Use the independent calculator before choosing a battery system or generator.

Check my power plan
Sources: Generac GP8000E COsense 49STGenerac productsOfficial manualVerified September 15, 2026

Ownership resources

Accessories, manuals, and documents.

Start with the exact Generac GP8000E COsense 49ST model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.

Compatible accessories

Match by model and connection.

Verify exact fit

Generator power cord or inlet connection

Use a correctly rated cord or professionally selected inlet connection for the intended load.

Match voltage, amperage, blade pattern, and wire rating to the generator receptacle. Home connections require approved transfer equipment and qualified installation.
View official accessory options
Verify exact fit

Parallel kit

This model’s published information references parallel operation. Use the manufacturer’s matching kit and pairing rules.

Confirm that the kit explicitly names GP8000E COsense 49ST or its exact generator family before connecting another unit.
View official accessory options
Verify exact fit

Maintenance kit and service parts

Model-matched filters, spark plugs, batteries, oil supplies, and service parts support scheduled maintenance.

Match the complete GP8000E COsense 49ST model or item number and follow the maintenance table in its manual.
View official accessory options
Verify exact fit

Storage cover or approved running shelter

A fitted storage cover protects a cooled, stored generator. A running shelter must be designed for generator operation.

Never run a fuel-burning generator indoors or inside a storage cover. Follow the manual’s clearance and ventilation requirements.
View official accessory options

Manuals & PDFs

Official product materials.

Owner’s or operator’s manualPDFOperating, safety, maintenance, and troubleshooting instructions for GP8000E COsense 49ST.Official product pageProduct pageCurrent manufacturer overview, notices, specifications, downloads, and support links.

Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.