USED CUMMINS ONAN 20ES L25850B

This listing is for a USED Onan 20ES L25850B. This unit is designed to serve as a standby generator system providing engine-driven electrical power generation with automatic switching between utility and generator sources. It is commonly applied in industrial and facility backup power systems where continuous operation is required, supporting multi-voltage output, 18.5 kW rated standby power, and integrated transfer switching via cabinet-mounted controls.

Manufacturer: Onan (Cummins Power Generation)
Model: 20ES
Part Number: L25850B
Condition: USED
YOM: n/a
Device Type: Generator Set with Automatic Transfer Switch
Function: Standby power generation and automatic transfer
Service Rating: Standby
Power Rating: 18.5 kW
Power Rating (Single Phase): 23.0 kVA
Power Rating (Three Phase): 19.5 kW / 22.0 kVA
Frequency: 60 Hz
Voltage Options: 110/190 V, 110/220 V, 115/230 V, 120/240 V
Phase: Single Phase / Three Phase
Poles: 3
Power Factor: 0.8
Battery Voltage: 12 V
Engine Manufacturer: Ford Power Products
Engine Model: ASG-4221-6005-A
Model Code: TTCA-0032-KBD
Transfer Switch: Included (PowerSentry controller)
Serial Number: 021172 (engine/genset)
Serial Number (Transfer Switch): G960611806
Spec Number: 4912J
Wiring Diagrams: 612-6163-01, 612-6147-01, 0626-1762
Country of Manufacture: USA