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Cummins QST30
A high-performance cooling component engineered for Cummins QST30 diesel engines, this radiator delivers reliable heat dissipation for heavy-duty applications. Ideal for industrial gensets, heavy-duty trucks, and mining equipment.
Features
Temperature Resilience: Operates efficiently in -30°C to 55°C environments, supporting 1784-2000kW engine output.
Durability: Pressure-resistant construction with corrosion protection; undergoes 100% water/air tightness testing.
System Compatibility: Integral set-mounted design aligns with Cummins QST30-G3/G4 generator cooling systems, optional integrated oil cooler.
Generator Radiator List
| CUMMINS | 4BT, 6BT, 6BTA, NT855, NTA855, KTA19, KTA38, KTA50, QSK23, QSK50, QSK60, QSK78, QSK90, VTA28 |
MTU | 8V1600, 10V1600, 12V2000, 16V2000, 18V2000, 12V4000, 16V4000, 20V4000 |
MITSUBISHI | S6R, S12R, S12H, S16R, S16R2, S12A2 |
PERKINS | 4006, 4006-TAG, 4008-TAG, 4012-46TAG, 4016-61TRG |
CAT | 3512, 3516B, 3508B, C15 |
Maintance and Service
Custom Cooling Solutions – We engineer radiators precisely aligned with your unique engine requirements and operational environmental conditions.
How We Produce
Each generator radiator undergoes specialized CAD thermal flow simulation and structural stress analysis—tailored to the high thermal conductivity of copper tubes—to optimize heat dissipation efficiency under continuous generator operation.
Fin-tube assemblies adopt high-precision mechanical tube expansion technology to integrate louvered copper fins with seamless copper tubes—ensuring 100% contact between fin and tube for minimal thermal resistance, while maximizing heat transfer surface area by 40% compared to standard assemblies. Vacuum brazing (using copper-phosphorus brazing filler) creates airtight joints between copper components, withstanding repeated thermal expansion cycles; critical header-to-tube connections are further reinforced with argon arc welding to prevent vibration-induced leakage.
Every unit undergoes 2.0x rated pressure hydrostatic testing (≥1.5MPa) for 30 minutes to verify copper tube pressure resistance, plus helium mass spectrometry leak detection (leak rate ≤ 1×10⁻⁹ Pa·m³/s) to ensure zero coolant loss.
Pictures of Sinrui's production workshop, raw materials
Radiator product packaging and delivery
