Skip to content

Compare Generators Side-by-Side

Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Generac #8947 iQ5200DF
  • Pulsar PGD105TiSCO
  • Model #8947 iQ5200DF
    Model #8947 iQ5200DF

    Generac 3,900W Dual-Fuel Generator

    3900W
    Running
    0 dB
    Noise
    View details
  • Model PGD105TiSCO
    Model PGD105TiSCO

    Pulsar 8,500W Tri-Fuel Generator

    8500W
    Running
    62 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationGenerac #8947 iQ5200DFPulsar PGD105TiSCO
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Tri-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoNo
Running watts
3900 W
Winner: Winner: 8500 W
Starting watts
5200 W
Winner: Winner: 10500 W
Noise (lower limit)
0 dB
Winner: Winner: 62 dB
Weight
Winner: Winner: 107 lbs
246.9 lbs
Run time @50% load
Winner: Winner: 9 h
Winner: Winner: 9 h
Run time @25% load
15 h
Not available
Fuel tank
3.2 gal
6.9 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
24.6 x 20.3 x 22.5
31.4 x 22.8 x 29.4
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
5
5
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
3 %
Engine
Engine
223 cc OHV 4-stroke
458 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3900 W
8500 W
Starting watts
5200 W
10500 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
9 h
9 h
Run time @25% load
15 h
Not available
PropaneNot availableNot available
Running watts
3500 W
8000 W
Starting watts
4700 W
9500 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
11 h
Not available
Run time @25% load
20 h
Not available
Natural gasNot availableNot available
Running watts
Not available
6800 W
Starting watts
Not available
8400 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
696471104509
814726028121
Core / High-priority specs
Running Watts (Gasoline)
3900
8500
Running Watts (Propane)
3500
8000
Running Watts (Natural Gas)
Not available
6800
Starting Watts (Gasoline)
5200
10500
Starting Watts (Propane)
4700
9500
Starting Watts (Natural Gas)
Not available
8400
Runtime @ 50% Load (Gasoline)
9
9
Runtime @ 50% Load (Propane)
11
Not available
Runtime @ 25% Load (Gasoline)
15
Not available
Runtime @ 25% Load (Propane)
20
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
458
Engine Oil Type
10W-30 / SAE 30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
15
Not available
Runtime @ 50% Load (Gasoline)
9
9
Runtime @ 50% Load (Propane)
11
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Oil, funnel, tool kit, propane hose, and battery
Recoil, Electric, Remote
Included Accessories
Oil, funnel, tool kit, propane hose, and battery
Oil, tool kit, key fob, natural gas hose with NPT adapter, propane hose, and battery
Warranty & identification
Commercial Warranty
Not available
3
Part Number
8947, 8945
Not available
Additional specs
Summary
The Generac iQ5200DF is a 3,900-watt dual-fuel inverter generator that bridges emergency home backup and recreational use. At this output level, it powers essential circuits like refrigerators, sump pumps, and window air conditioners simultaneously, but not a full house or central HVAC. The dual-fuel design lets owners switch between gasoline and propane based on availability, a genuine advantage when supply chains break down during extended outages. Because the iQ5200DF produces electronically regulated current with less than 3% THD, laptops, flat-screen TVs, CPAP machines, and smart home devices run safely without voltage-related risk.
The Pulsar PGD105TiSCO is a 10,500-watt peak inverter generator that operates on tri-fuel options including gasoline, propane, and natural gas. It features a 458cc OHV engine, multiple starting methods, and is suitable for residential, outdoor, and work applications.
  • Most Powerful
    Pulsar PGD105TiSCO
    8500W running
  • Quietest
    Pulsar PGD105TiSCO
    62 dB
  • Longest Runtime
    Generac #8947 iQ5200DF
    9h at 50% load
Where to buy
Prices can change. We update these automatically.
Generac #8947 iQ5200DF
Store links
No links yet.
Pulsar PGD105TiSCO
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.