Specifications
| Fuel | No. 2 diesel only |
|---|---|
| Prime power | 636 kW |
| Emissions | EPA Tier 2 |
| Controller | Fire Pump Digital (FPDP) |
| Oil capacity | 52.0 L |
| Alternator | 24V-DC, 35 amps; includes belt guard |
| Voltage options | 1470 V |
| Coolant capacity | 65.5 L |
| Max ambient | 100 °C |
| Dry weight | 3087 kg |
| Sound level | 104.4 dBA |
Engine
| Oil capacity | 52.0 L |
|---|---|
| Coolant capacity | 46.2 L |
| Displacement | 23.15 L |
| Aspiration | turbo-charged direct injection |
| Rated speed | 1650 rpm |
Maintenance & consumables
for the Cummins/Onan QSK23| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | AF25544 and AF25545 | AF25544 | Amazon eBay $350.00 | ||
| Fuel filter | 503−1675 | — | 500 hr | find | |
| Fuel filter | Spin-on primary and secondary | FS1006 | Amazon eBay $39.99 | ||
| Oil filter | Full-flow with by-pass valve | LF9325 | 250 hr | buy | |
| Belt | 505−0085 | — | 15000 hr | find | |
| Coolant | Antifreeze 50/50 (Ethylene glycol) | — | 24000 hr | ||
| Coolant filter | 503−1675 | — | 500 hr | find | |
| Oil | Oil pressure range at rated: 50-65 PSI (345-448 kPa) | 54.8 | — | 250 hr |
Common questions
What engine does the Cummins/Onan CFP23E use?
The Cummins/Onan CFP23E is powered by the Cummins/Onan QSK23 engine.
What fuel does the Cummins/Onan CFP23E use?
The Cummins/Onan CFP23E runs on No. 2 diesel only.
What is the oil capacity of the Cummins/Onan CFP23E?
The Cummins/Onan QSK23 engine in the Cummins/Onan CFP23E has an oil capacity of 52.0 liters.
What alternator does the Cummins/Onan CFP23E use?
The Cummins/Onan CFP23E uses a 24V-DC, 35 amps; includes belt guard alternator.
What oil filter does the Cummins/Onan CFP23E use?
The Cummins/Onan CFP23E uses oil filter part number LF9325.
What fuel filter does the Cummins/Onan CFP23E use?
The Cummins/Onan CFP23E uses fuel filter part number FS1006.
What air filter does the Cummins/Onan CFP23E use?
The Cummins/Onan CFP23E uses air filter part number AF25544.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 204-009 | Acronyms and Abbreviations | Service part / kit | buy | |
| 3822735 | Plastic bead blasting media | 1 | Service part / kit | buy |
| 4021375 | QSK23 Troubleshooting and Repair Manual | 1 | Service part / kit | buy |
| KS-E368R | Head Office | Service part / kit | buy |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 146.7 |
Available documents
Engine spec — 0070606 (Cummins/Onan)Spec sheet — 0070608 (Cummins/Onan)Reference — a042j644 (Cummins/Onan)Service manual — 0056405 (Cummins/Onan)Service manual — 0057193 (Cummins/Onan)Service manual — 0063384 (Cummins/Onan)Service manual — a042j556 cfp5e manual (Cummins/Onan)Service manual — a042j558 cfp7e manual (Cummins/Onan)