The QSB3.9-powered 69kVA set is the right choice when physical footprint and maintenance simplicity outrank raw kW output—typical of telecom shelter and small clinic backup projects in regions with limited technician access. What distinguishes our export configuration is the documentation we ship with each unit: a pre-commissioning checklist specific to the QSB3.9-G2 ECM (not a generic genset form), plus a photographed terminal-torque verification sheet. Since 2023, we have supplied 27 units to telecom tower contractors in the Philippines and Nigeria, where local crews often commission the set without OEM field service present. For buyers comparing Chinese exporters on this frame size, we provide the actual factory load-test log for the serial number you are quoted—not a sample PDF.
Products Overview
QSB3.9 | |||
Genset model | ACQSB3.9-G2 | ACQSB3.9-G3 | |
Prime power(KW/KVA) | 48/60 | 64/80 | |
Standby power(KW/KVA) | 55/69 | 72/90 | |
Weight(kg) | 890 | ||
Dimension(L*W*H/mm) | 2538*1000*1450 | ||
Engine | Model | QSB3.9-G2 | QSB3.9-G3 |
Bore*Stroke(mm) | 102*120 | ||
Cyl No. and Arrangement | 4-Cyl In-line | ||
Speed(r/min) | 1500/1800 | ||
Warranty | 12 Months / 1000 Hours | ||
Quality Control | The products have been rigorously tested | ||
Payment | T/T, Western Union. | ||
Service | Guidance on product issues through online and video support | ||
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