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Champion · Inverter generator

201321

4,500 starting watts and 3,650 running watts with gasoline, propane operation · 22 h. · 64 dB(A).

3,650W running4,500W starting64 dB(A)Gasoline + Propane
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Champion 4500W Dual Fuel Open Frame Inverter
Official product image: Champion

The important numbers, at a glance.

01 · Output by fuel

Up to 4,500 starting watts

Gasoline3,650W running

4,500W starting

Propane3,285W running

4,500W starting

02 · Runtime & operation

Manufacturer runtime

22 h.

Operating volume

64 dB(A)

Energy source

Gasoline, Propane (LPG)

4.02 gal. fuel capacity

03 · Size & ownership

92.6 lb.

Unit weight

20.9 in. × 18.3 in. × 19.4 in.

Length × width × height

Warranty
3 Year Warranty
Starting
Electric
Status
Listed in Champion U.S. catalog
04 · Controls & safety

Starting system

Electric

Power system

Inverter output

Protection

CO Shield® · Low-oil shutdown

Electrical

120 · 60Hz

Connection details are included in the full specification table below.

These manufacturer images may include output comparisons, controls, dimensions, included equipment, and common use cases. Scroll sideways to view the complete official set available for this model.

Champion 201321 product view
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Every official field, organized.

The technical fields below come from Champion’s current U.S. model page. Product photos and infographics come from its official gallery. Confirm current documentation and retailer details before purchase.

Outdoor use only. Never operate a fuel-burning generator inside a home, garage, shed, or other enclosed space. CO Shield® is a backup safety feature, not a substitute for correct outdoor placement.

Manufacturer overview

Features Dual Fuel Operate on either gasoline or propane. 4500 starting watts and runs up to 22 hr. on gas or 21 hr. on propane, with 64 dB(A) operation ideal for camping, RVs, or backup power. Electric Start Trust the reliable 224cc Champion engine with battery-included, push-button electric start, It’s up to 50% quieter and 20% lighter than other equally rated traditional generators. Easy Monitoring and Operation Intelligauge with Power Meter tracks voltage, frequency, and run time, plus includes CO Shield® carbon monoxide auto-shutoff system. Clean Power for Sensitive Electronics Safely power devices and appliances in your home or RV with multiple covered outlets, including a regulated 12V automotive-style outlet for on-the-go use. Champion Support Comes with a 3-year limited warranty, FREE lifetime technical support from dedicated experts, and access to a network of service centers across the country. Description The Champion Power Equipment 4500-Watt Dual Fuel Open Frame Inverter Generator with CO Shield® is perfect for camping, tailgating, RV use, or as a reliable backup for home essentials. · Our Quiet Technology reduces noise, while the efficient design minimizes size and w

Specifications

Portable Generator Technology
Dual Fuel, CO Shield®, ParaLINK®
Gasoline Starting Watts
4500W
Gasoline Running Watts
3650W
Propane Starting Watts
4500W
Propane Running Watts
3285W
Gasoline Starting Amps at 120V
37.5A
Gasoline Running Amps at 120V
30.4A
Propane Starting Amps at 120V
37.5A
Propane Running Amps at 120V
27.4A
Volts
120
Frequency
60Hz
AC Receptacles
(1) 120V 30A RV (TT-30R), (1) 120V 20A Duplex (5-20R), Parallel Ports
DC Operation
Yes
DC Receptacles
(1) 12V 8A (Regulated Automotive)
GFCI Receptacles
No
Covered Receptacles
Yes
Gasoline Run Time at 1/4 Load
22 h.
Propane Run Time at 1/4 Load
21 h.
Noise Level
64 dB(A)
Inverter
Open Frame
Parallel Capability
Yes
Voltmeter
Intelligauge with Power Meter
Battery
Yes
Start Type
Electric
Engine Brand
Champion
Engine Size
224cc
Engine Type
4-stroke
Engine Speed
Variable
Fuel Type
Gasoline, Propane (LPG)
Fuel Gauge
Mechanical
Gasoline Capacity
4.02 gal.
Gasoline Tank Material
Steel
Engine Oil Type
10W-30
Engine Oil Capacity
0.6 qt.
Engine Oil Included
Yes
Low Oil Shut-Off
Yes
Wheels
No
PGMA Compliant
G300-2023
EPA Certified
Yes

Measurements

Length
20.9 in.
Width
18.3 in.
Height
19.4 in.
Weight
92.6 lb.
  • Home essentials
  • RV power
  • Tools and outdoor projects
  • Dual-fuel flexibility
  • Clean inverter power
  • Dual Fuel, CO Shield®, ParaLINK®
  • Electric start
  • Parallel capable
  • 3 Year Warranty

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Official sources:Champion product pageEnglish manualAll Champion generatorsVerified September 15, 2026