Pulsar G12KBN vs Pulsar G15KTN

Last updated: October 28, 2026

The Pulsar G12KBN is the better portable generator overall, rated 4.2 to 4.0. The Pulsar G15KTN wins on fuel options. The Pulsar G12KBN costs $369.01 less ($929.99 vs $1,299).

Pulsar G12KBN vs Pulsar G15KTN

Prices were last checked October 28, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every large portable generator; a clear win is highlighted. How we rank explains each one.

Factor weightPulsar G12KBNPulsar G15KTN
Overall rating4.2/54.0/5
Value 30%89 $0.10 per running watt83 $0.11 per running watt
Run time 15%90 13 hours on a tank at 50% load50 run time not published (neutral score used)
Fuel options 15%70 gasoline or propane100 gasoline, propane or natural gas
Home hookup 15%100 240 V outlet for a transfer switch50 outlets not stated (neutral score used)
CO safety 10%0 no CO shutoff50 CO shutoff not stated (neutral score used)
Warranty 10%67 3-year warranty67 3-year warranty
Starting 5%80 push-button electric start80 push-button electric start

Specifications

Pulsar G12KBNPulsar G15KTN
Output
Gasoline9,500 W running, 12,000 W starting12,000 W running, 15,000 W starting
Propane8,550 W running, 10,800 W starting-
Outlets4 × 120 V, L14-30, L14-502 × 120 V
Transfer switch readyYes, 240 V-
Price per watt$0.10$0.11
Fuel and run time
FuelGasoline, propaneGasoline, propane, natural gas
Tank8 gal-
Run time (gasoline)13 hr at 50% load-
Engine457 cc550 cc
Noise and safety
Rated noise74 dBA-
CO shutoffNo-
CARB compliantYes-
Build
StartingElectric and recoilElectric and recoil
WheelsYes-
Dimensions28.5 x 21.8 x 22.2 in33.7 x 24.8 x 24.6 in
Weight209 lb242.6 lb
Warranty3 years3 years
Released2020-11-

All portable generator comparisons →