Super Silent Diesel Generator KDF8500QQ

Supper silent

The sound level achieves international leading level; which overturns traditional image of Chinese silent diesel generator.

Unique Design 

New structure design, Koop brand unique out looking with red and black color.

U type air flue design

With new U type air flue design, all inlet and exhaust air go through it, achieves the effect of sound insulation.

Super strong structure 

New design canopy with thicker base frame to enhance generator structural strength, meanwhile achieve the effect of sound insulation and vibration reduction.

Smooth output

100% copper alternator, class F insulation, high conversion efficiency, smart AVR controller ensures stable voltage and less voltage waveform distortion


Model      KDF8500QQ(-3)
Rated Frequency[Hz] 50                   60
Rated Voltage [V] 220,230,240,110/220,115/230,120/240,220/380,230/400,240/415
Rated Output Power[KVA] 5.5 ( 6.9  )                6.0(  7.5 )
Max Output Power[Kva] 6.0(7.5   )                  6.5 ( 8.1  )
Phase Number Single Phase / Three Phase
Excitation Mode (AVR)
Power Factor  Φ 1(0.8)
Insulation Grade F
Fuel Tank Capacity[L] 14.5
Noise Level [Db]( @ 7m  ) 63
Engine Model KD192FE
Starting System Electric Starting
Engine Type          1-Cylinder ,4-Stroke, Air-cooled,Veritical
Broke * Stroke[mm] 92*75
Displacement 0.499L
Compression Ratio 19.5:1
Rated Rotation Speed[rpm] 3000                3600
Rated Power[Kw] 7.6                      8.6
Lube[L] 1.65
Fuel Consumption[g/kwh]
Fuel Type 0#(summer), -10#(winter) Diesel oil
Lube SAE10W30 ( above CD grade )
Low Oil Pressure Alarm System with
Optional Standard ATS
Remote control
Overall Diemension [mm]( L*W*H) 995*645*750
Net Weight[Kg] 210