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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.

  • Ford FG6250P
  • Aceup Energy AI4500
  • Model FG6250P
    Model FG6250P

    Ford 5,250W Gas Generator

    5250W
    Running
    78 dB
    Noise
    View details
  • Model AI4500
    Model AI4500

    Aceup Energy 3,600W Inverter Generator

    3600W
    Running
    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
SpecificationFord FG6250PAceup Energy AI4500
General
Product type
Generator
Not available—
Fuel
Gasoline
Not available—
InverterNoYes
Parallel capableNoYes
RV readyNoNo
Running watts
Winner: Winner: 5250 W
3600 W
Starting watts
Winner: Winner: 6250 W
4500 W
Noise (lower limit)
Winner: Winner: 78 dB
Not available—
Weight
167.6 lbs
Winner: Winner: 62.7 lbs
Run time @50% load
Winner: Winner: 11 h
Not available—
Run time @25% load
Not available—
10 h
Fuel tank
6.6 gal
2.65 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
30 x 29.5 x 25
Not available—
Electrical
Voltage (AC)
120/240
120V
Voltage (DC)
Not available—
12V
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
Not available—
Not available—
Engine
Engine
Ducar OHV 4-stroke 420 cc
223cc 4-stroke OHV engine
Alternator
Not available—
Not available—
Starting system
Recoil
Not available—
Warranty
Warranty
2 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
5250 W
3600 W
Starting watts
6250 W
4500 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
Not available—
10 h
Other
Data center
Not available—
Not available—
Indicators
false
true
Compliance
EPA
EPA compliant
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
true
Not available—
UPC
819699012122
Not available—
Core / High-priority specs
Running Watts (Gasoline)
5250
3600
Starting Watts (Gasoline)
6250
4500
Runtime @ 50% Load (Gasoline)
11
Not available—
Runtime @ 25% Load (Gasoline)
Not available—
10
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
Two 20A outlets and one 30A Twist-Lock
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Ducar OHV 4-stroke
4-stroke OHV
Engine Displacement
420
223
Engine Oil Type
10W-30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available—
10
Runtime @ 50% Load (Gasoline)
11
Not available—
Controls & display
Display Type
Not available—
Intelligent gauge
Idle Control System
Not available—
Economic mode to save fuel
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available—
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringNoNo
Included equipment
Starting Components
Not available—
5-in-1 knob: fuel on/shut-off, engine on/off, choke
Included Accessories
Oil, funnel, tool kit, wheel kit
Not available—
Warranty & identification
Residential Warranty
Not available—
2
Commercial Warranty
2
2
Part Number
Not available—
AI4500
Additional specs
Summary
The Ford FG6250P is a 5,250-watt gasoline generator built around a 420cc OHV engine that delivers enough continuous power to run a refrigerator, sump pump, lights, and several power tools simultaneously. This wattage tier covers whole-house emergency backup for modest homes or active job site power where circular saws, drills, and compressors cycle throughout the day. A 6.6-gallon tank stretches to 11 hours at 50% load, eliminating mid-shift refueling during typical use. At 167.6 pounds with a wheel kit included, this unit is heavy and demands dedicated storage and transport planning.
The Aceup Energy AI4500 is a 3,600-watt inverter generator built around a 223cc 4-stroke OHV engine. It produces 3,600 running watts and 4,500 peak watts, making it suitable for home backup of essentials, jobsite tools with moderate surge needs, and applications where clean power matters. As an inverter model, it delivers stable electricity to sensitive electronics like laptops, chargers, and networking gear while handling traditional household loads and motor starts. The 2.65-gallon fuel tank and 10-hour runtime at 25 percent load support overnight run windows for light to moderate demand. Parallel capability lets users connect two units later to increase total output without replacing the generator entirely.
  • Most Powerful
    Ford FG6250P
    5250W running
  • Quietest
    Ford FG6250P
    78 dB
  • Longest Runtime
    Ford FG6250P
    11h at 50% load
Where to buy
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Ford FG6250P
Store links
No links yet.
Aceup Energy AI4500
Store links
No links yet.
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