Cummins/Onan 230 DFAB / LTA10-G1 — Load Bank Test
Testing & diagnosis · Genset
For the Cummins/Onan 230 DFAB / LTA10-G1, from the Cummins/Onan manual.
Applies to: Cummins/Onan LTA10-G1 engine
Procedure
- Warm up
- Start
- Record readings at 15 min
- Record readings at 30 min
- Record readings at 45 min
- Record readings at 1 hour
- Cool down
Tools required
- Load bank Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Frequency 60 Hz
- Voltage L1-L2 478 V, L1-L0 478 V, L2-L0 477 V
- Amperage approx. 281 A per phase at load
- Kilowatts approx. 230-231 kW at load
- Oil pressure 45.8 (warm up) down to 33.4-35 under load
- Coolant temperature 86 (warm up) to 189°F under load
- DC voltage 26.9-27.5 V
- Ambient temperature 67°F
Source: Cummins/Onan manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.