bison logo
homepower generator – 6500w air cold petrol generator 15hp
model: BS7500H
TÜV rheinland
rohs compliant

6500w air cold petrol generator 15hp

6500 watts
power tools diy
1 year warranty

within 25 days delivery time after receiving the deposit!

BISON brand
OEM sticker
OEM carton
100 SETS

BISON is the world’s leading manufacturer of petrol generators, 6500 Watt 15 Horsepower air-cooled petrol generators are ruggedly built to meet the needs of industrial and domestic applications.

With its powerful engine, air-cooled design, recoil starting and long continuous run time, the BISON BS3500SC is a versatile and reliable petrol generator supplier ideal for a variety of applications.

BISON 6500w air-cooled petrol generator 15hp other advantages:

  • 100% copper windings: 100% copper windings ensure efficient power generation and long service life.
  • Large fuel tank: The 25 litre fuel tank provides plenty of runtime for long periods of use.
  • Compact and portable design: The BS3500SC is compact and portable, making it easy to transport and store.



high-performance 15hp engine

BISON BS3500SC delivers an impressive 6500W of power, ensuring reliable and consistent energy for a variety of applications. From construction sites to outdoor activities, the 6500w air cold petrol generator is your go-to solution for powering multiple tools or equipment simultaneously.

The BISON 15 hp petrol generator can be configured for single or three phase output for a wide range of applications.

Equipped with the reliable BS190F 15 hp petrol engine, the BS3500SC delivers plenty of power even in the most demanding applications.

recoil start for quick ignition

The BS3500SC 15hp recoil start petrol generator is ruggedly constructed for frequent use in a variety of environments, making it a wise investment.

Simple and reliable recoil start makes it easy to start the generator even during power outages.

The BS3500SC can run for up to 8 hours on a single tank of fuel, making it ideal for extended use.

always use the Original spare parts​


rated power 6.0 KW
maximum power 6.5 KW
Phase single-phase / three-phases (optional)
AC voltage depends on your country’s voltage
single-phase AC amperage running power ÷ using voltage
three-phase AC amperage running power ÷ using voltage ÷ 1.3856
frequency 50 / 60 HZ
continuous operating time 8 h
engine & emission
engine type 4-stroke, OHV, air-cooled
engine model name BS190F
bore × stroke 90 × 66 MM
engine displacement 420 CC
engine speed 3000(50 Hz) / 3600(60 Hz) RPM
recoil start yes
electric start optional
winding material 100% copper winding
power factor 1.0 (single-phase) / 0.8 (three-phase)
fuel system
fuel tank capacity 25 l
oil capacity 1.1 l
carton dimensions (no wheels & handles) 690 × 530 × 555 MM
generator net weight 78 KGS
carton gross weight 85 KGS



The open frame type gasoline generators above 5 kilowatts should choose this option.

wheels & handles

easy to move the generator


The open frame type gasoline generators above 5 kilowatts should choose this option.

electric & remote start

easy to start the generator


The customers who have high-end pursue of generator should choose this option.

digital display

easy to monitor the generator


The generators above 7 kilowatts or have three-phase voltage should choose this option.

industrial socket

power for industrial use


When you take generators as backup power, you could choose this. ATS is not necessary for small kilowatts.


automatically start without human intervention required



how we test the petrol generator

flywheel clearance

Ensure the engine better store energy and inertia.

flywheel clearance

Ensure the alternator could output current stably.

power debugging

fuel tank airtight

Ensure the stability and sealing of the fuel tank.

fuel tank airtight

motor air gap

Ensure the sealing of alternator is stable.

alternator air gap

cylinder head seal

Ensure the sealing of cylinder head is intact.

cylinder head seal

connecting rod torque

Ensure a stable connection between the connecting rod and crankshaft.

connecting rod torque

Ensure the cylinder head connection is stable.

cylinder head torque

box torque

Ensure the crankcase torque is correct and the same for each engine.

crankcase torque

Ensure the sealing of the engine is stable.

air tightness test

muffler tightening torque

Ensure the muffler connection is stable.

muffler tightening torque

comprehensive performance test

Ensure stable performance and output of the generator.

comprehensive performance test

pressure testing

Ensure the voltage of generator is stable.

voltage test

appearance final inspection

Ensure the generator has no cosmetic defects.

appearance final inspection

weighing check

Ensure we don’t miss any accessories in the carton.

weighing check


Well-packaged and ensure the safety of the generator.




※  Our commitment:

Dear customer, many thanks for considering our generator. We have firm confidence in the quality and performance of our products, so our warranty is more than just an oral promise or a document, it is our commitment to quality. We will work tirelessly to ensure that every generator you own is rigorously tested and carefully manufactured!

※  Warranty time: 1 year after B/L date.

※  Warranty coverage: Non-human factors, the damage caused by machine its own quality problems.

※  How we fulfill our warranty:

Situation 1  Conveniently replaceable spare parts are damaged within warranty time→We provide new spare parts free of charge and ship them with your next order.

Situation 2  Quality problem with small batches withnin warranty time: You give your customer a new generator for free→We would give you a discount in your next order corresponding to the amount of the severely damaged generator.

Situation 3 Quality problem with big batches if you buy Bison brand within warranty time: You give your customer a new generator for free firstly→We would send technicians to your country to repair these machines for you free of charge.

Situation 4 Quality problem with big batches if you buy your own brand within warranty time: You give your customer a new generator for free firstly→We would compensate you in batches in future orders.

OEM Service

※  Design team size: 10 designers.

※  What can we design for you: sticker, carton, logo, poster…

※  Design time required after receving your deposit

Sticker desgin: within 2 days

Carton desgin: within 2 days

Logo: within 1 day

Poster: within 1 week



enquire today

Speak with our sales manager today for additional information or an obligation-free quote.