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Pulsar PG12000B vs DuroMax XP13000HX

Pulsar PG12000B vs DuroMax XP13000HX

Compare two dual-fuel open-frame generators: DuroMax adds more watts and a 5-year warranty, Pulsar is lighter with longer 50% runtime.

  • DuroMax XP13000HX
  • Pulsar PG12000B

Comparison Overview

The biggest separation is power and warranty: the DuroMax XP13000HX delivers 10,500 running watts and 13,000 starting watts with a 5-year warranty, while the Pulsar PG12000B provides 9,500 running watts and 12,000 starting watts with a 2-year warranty. If you are trying to start larger loads (well pump, bigger central AC, heavy shop tools), that extra surge and running capacity can matter.

Runtime and portability tilt the other way. At 50% load, the Pulsar is rated for 12 hours, compared with 8.5 hours for the DuroMax, which can mean fewer refuel stops during an outage. The Pulsar is also lighter at 205 lb versus 240 lb, still heavy, but a bit easier to move around a garage or driveway.

Noise is essentially a tie at 74 dB for both, and neither is an inverter generator, so they are better suited to home backup and job sites than quiet camping. Pick the DuroMax if you want more headroom and longer warranty coverage, or the Pulsar if longer mid-load runtime and slightly easier handling matter more.

Key takeaways

  • DuroMax XP13000HX delivers 10,500 running watts and 13,000 starting watts.
  • Pulsar PG12000B delivers 9,500 running watts and 12,000 starting watts.
  • Pulsar PG12000B runs up to 12 hours at 50% load.
  • DuroMax XP13000HX runs about 8.5 hours at 50% load, 17 hours at 25%.
  • Both are rated 74 dB and are non-inverter open-frame designs.
  • DuroMax includes a 5-year warranty, Pulsar includes a 2-year warranty.

Best use cases

Choose the Pulsar PG12000B if you want a strong dual-fuel home backup generator that prioritizes fewer refueling breaks at typical household loads. Its 12-hour runtime at 50% load is a practical advantage when you are running essentials like a refrigerator, freezer, lights, internet gear, and a sump pump for long stretches. It is also the easier of the two to reposition at 205 lb, which matters if you roll it out only during storms and store it the rest of the year. The tradeoff is less power headroom (9,500 running watts) and a shorter 2-year warranty, so it is not as confidence-inspiring if you expect frequent, heavy use.

Choose the DuroMax XP13000HX if your priority is maximum capacity and longer ownership coverage. With 10,500 running watts and 13,000 starting watts, it is the better fit when you are more likely to stack loads or start tougher motors, for example a well pump plus multiple appliances, or larger tools on a property or job site. The 5-year warranty is a big deal for buyers who want longer protection, especially if the generator will see regular use. The tradeoffs are weight (a hefty 240 lb) and a shorter 8.5-hour runtime at 50% load, so you may refuel more often during extended outages. Both are rated around 74 dB, so they are not ideal for quiet campgrounds or close neighbors, and since neither is an inverter, they are best for robust household and tool loads rather than noise-sensitive trips.

Verdict & recommendation

If your priority is higher output for starting and running bigger loads, the DuroMax XP13000HX is the safer pick, and the 5-year warranty adds peace of mind for long-term ownership. If your priority is longer run time at a realistic mid-load and slightly easier maneuvering, the Pulsar PG12000B makes day-to-day outage use simpler, especially when you are trying to avoid frequent refueling.

Both are loud, open-frame, non-inverter dual-fuel generators, so plan on outdoor placement, a proper transfer setup for home backup, and realistic expectations for noise. Choose based on whether you value extra wattage and warranty coverage (DuroMax) or longer 50% runtime and lighter weight (Pulsar).

Last updated March 5, 2026

  • Model XP13000HX
    Model XP13000HX

    DuroMax 10,500W Dual-Fuel Generator

    10500W
    Running
    74 dB
    Noise
    View details
  • Model PG12000B
    Model PG12000B

    Pulsar 9,500W Dual-Fuel Generator

    9500W
    Running
    74 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
SpecificationDuroMax XP13000HXPulsar PG12000B
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 10500 W
9500 W
Starting watts
Winner: Winner: 13000 W
12000 W
Noise (lower limit)
Winner: Winner: 74 dB
Winner: Winner: 74 dB
Weight
240 lbs
Winner: Winner: 205 lbs
Run time @50% load
8.5 h
Winner: Winner: 12 h
Run time @25% load
17 h
Not available
Fuel tank
8.3 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 30 x 26
28.5 x 21 x 22
Electrical
Voltage (AC)
120/240V 60 Hz
120/240
Voltage (DC)
Not available
12
GFCI outletsYesNo
Covered outletsNoNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
500 cc OHV 4-stroke, cast iron sleeve
457 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric
Warranty
Warranty
5 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
10500 W
9500 W
Starting watts
13000 W
12000 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
8.5 h
12 h
Run time @25% load
17 h
Not available
PropaneNot availableNot available
Running watts
9975 W
8550 W
Starting watts
12350 W
10800 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
3.2 h
5 h
Run time @25% load
6.5 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA
CARB
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
811640016234
814726025021
Core / High-priority specs
Running Watts (Gasoline)
10500
9500
Running Watts (Propane)
9975
8550
Starting Watts (Gasoline)
13000
12000
Starting Watts (Propane)
12350
10800
Runtime @ 50% Load (Gasoline)
8.5
12
Runtime @ 50% Load (Propane)
3.2
5
Runtime @ 25% Load (Gasoline)
17
Not available
Runtime @ 25% Load (Propane)
6.5
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
500
457
Cylinder Sleeve
Cast iron sleeve
Not available
Alternator Winding Material
Copper
Not available
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
17
Not available
Runtime @ 50% Load (Gasoline)
8.5
12
Runtime @ 50% Load (Propane)
3.2
5
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Recoil, Electric
Not available
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Funnel, tool kit, propane hose, battery, and wheel kit
Warranty & identification
Residential Warranty
Not available
2
Commercial Warranty
5
2
Additional specs
Summary
The DuroMax XP13000HX is a 10,500-watt dual-fuel generator built to power job sites, home backup systems, and RV setups without compromise. Running on gasoline or propane, this unit delivers 13,000 peak watts, enough to start large air compressors, well pumps, and multiple power tools simultaneously. The 500cc OHV engine with cast iron sleeve handles sustained loads that would overwhelm smaller portables. At 74 decibels, it operates quietly enough for residential neighborhoods, though the 240-pound frame demands serious planning for transport and storage.
The Pulsar PG12000B is a 12,000-watt dual-fuel portable generator designed for reliable and robust power, featuring a 457cc OHV engine, electric push start, and a run time of up to 12 hours at 50% load.
  • Most Powerful
    DuroMax XP13000HX
    10500W running
  • Quietest
    DuroMax XP13000HX
    74 dB
  • Longest Runtime
    Pulsar PG12000B
    12h at 50% load
Where to buy
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DuroMax XP13000HX
Store links
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Pulsar PG12000B
Store links
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