bison logo
homepower generator – 50hz ac single phase portable electric generator
model: BS8500D
tüv rheinland
rohs compliant

50hz ac single phase portable petrol generator

7500 watts
power tools diy
1 year warranty

within 25 days delivery time after receiving the deposit!

BISON brand
OEM sticker
OEM carton
100 SETS

The BISON 50hz AC single phase portable generator is ideal for a variety of applications including home backup power, construction sites and events. The BS8500D is a 50 Hz generator, which is the standard frequency in many countries around the world, including Asia, Africa and Europe.

Here are some of the key features and benefits of the BS8500D:

Powerful 13-horsepower engine: The 50 Hz AC single-phase petrol generator is powered by a reliable 13-horsepower engine that delivers up to 7.5 kilowatts of continuous power. This is enough to power a wide range of appliances and equipment, including refrigerators, freezers, sump pumps and power tools.

Single-phase output: The BS8500D is a single-phase generator, which means it can power a single circuit. This is the most common type of household generator.

Recoil start: The 7.5 kW portable generator has a recoil start feature for easy starting. Simply pull the power cord to start the generator.

50Hz frequency: The BS8500D single-phase alternator operates at 50Hz, which is the standard frequency in many countries around the world. This makes it a versatile choice for international dealers.


8000 watt 18hp power petrol generator-detail

13HP engine

BISON’s 7.5 kW single-phase generators provide a reliable power solution for your business!

The 50 Hz AC single-phase portable generator is backed by BISON’s commitment to quality to ensure long-lasting performance.

With 50Hz frequency and single-phase operation, the BS8500D is capable of meeting a variety of market demands.

single phase power supply

Choose BISON petrol generator factory delivery to upgrade your products to meet the growing market demand.

The BISON 7500w alternator is tailored to meet the specific needs of applications requiring single phase power, ensuring efficient energy distribution.

With a powerful 7.5 kW output, the BS8500D handles heavy tasks effortlessly, delivering consistent and efficient performance.

always use the original spare parts​


rated power 7.0 KW
maximum power 7.5 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 7 h
engine & emission
engine type 4-stroke, OHV, air-cooled
engine model name BS168F-1
bore × stroke 68 × 45 MM
engine displacement 196 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 15 l
oil capacity 0.6 l
carton dimensions (no wheels & handles) 605 × 440 × 440 MM
generator net weight 35 KGS
carton gross weight 37 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 gasoline generator

flywheel clearance

Ensure the engine better store energy and inertia.

flywheel clearance

power debugging

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

cylinder head 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

air tightness test

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.