
Cummins C900D5
- Standby:
- 900 kVA
- Voltage:
- 380‑440 V
- Prime:
- 820 kVA
- Frequency:
- 50Hz
- Engine:
- Cummins QSK23‑G3
- Amps Per Phase:
- 1181
- Alternator:
- Stamford S6L1‑D4
- Control Panel:
- Cummins PowerCommand 3.3
The Cummins C900D5 is a high-performance open diesel generator delivering 900 kVA standby and 820 kVA prime power at 50 Hz. It features a robust Cummins QSK23‑G3 engine and a Stamford S6L1‑D4 alternator. Equipped with the PowerCommand 3.3 control panel for automatic start/stop, diagnostics, and protection.
Engine Specs
Engine Model
QSK23‑G3 (inline‑6, turbocharged and after‑cooled)
Rated Speed
1 500 rpm
Bore × Stroke
170 × 170 mm
Lube Oil Capacity
103 L
Overspeed Limit
1 800 rpm
Governor Type
Electronic
Starting Voltage
24 V DC
Gross Engine Power (Standby)
768 kWm
Gross Engine Power (Prime)
701 kWm
Emission Level
Unregulated
Alternator Specs
Model
Stamford S6L1‑D4
Insulation Class
H
IP Rating
IP23
Stator Winding Resistance (Ra)
≈ 0.0191 Ω
Vibration Grade
BS5000 Part 3
Control Panel Specs
Controller Model
Cummins PowerCommand 3.3
Display
128×64 pixel backlit LCD
Battery Operation
12 V and 24 V supported
Fault Sensors
Over/Under voltage, Overcurrent, Engine faults
AMF Function
Auto Mains Failure with event logging
Fuel & Consumption
Standby Consumption @100%
182.5 L/hr
Prime Consumption @100%
163.8 L/hr
Max Fuel Flow
685 L/hr
Cooling & Air
Coolant Capacity (with radiator)
136.5 L
Combustion Air Flow (Standby)
53.3 m³/min
Combustion Air Flow (Prime)
48.7 m³/min
Cooling System Air Flow
8.2 m³/sec
Ambient Rating
40 °C (standard), 50 °C optional
Exhaust
Exhaust Gas Flow (Standby)
147.78 m³/min
Exhaust Gas Temperature (Standby)
543 °C
Max Back Pressure
10.2 kPa
Dimensions & Weight
Open Set (L×W×H)
4340 × 1763 × 2095 mm
Dry Weight (Open)
6091 kg
Standards & Accessories
Voltage Regulation
±1 % electronic
THD (Total Harmonic Distortion)
≤2 %
Gov. Type
Electronic
ATC & Battery Charger
Optional