Specifications
| Fuel | LPG |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 105 kW |
| Standby kVA | 131 |
| Emissions | EPA NSPS |
| Controller | APM402, Decision-Maker 3000, Decision-Maker 550 |
| Oil capacity | 8.0 L |
| Alternator | Kohler 4R12X |
| Voltage options | 120 V, 208 V, 240 V, 277 V, 380 V |
| Phase | single-phase,three-phase |
| Power factor | [0.8, 1.0] |
| Battery group | 1 |
| Battery cranking | 630 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 10.0 L |
| Max ambient | 45 °C |
| Dimensions (L×W×H) | 3506×1156×1697 mm |
| Sound level | 71.0 dBA @ 7 m |
Engine
| Oil capacity | 8.5 L |
|---|---|
| Coolant capacity | 25.5 L |
| Displacement | 8.8 L |
| Aspiration | Turbocharged and Charge Cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Psi 8.8 L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | — | find | |||
| Coolant | — | ||||
| Oil | 8.5 | — |
Common questions
What is the power rating of the Kohler 125ERES?
The Kohler 125ERES is rated 105 kW standby (131.0 kVA).
What engine does the Kohler 125ERES use?
The Kohler 125ERES is powered by the Psi 8.8 L engine.
What fuel does the Kohler 125ERES use?
The Kohler 125ERES runs on LPG.
What is the oil capacity of the Kohler 125ERES?
The Psi 8.8 L engine in the Kohler 125ERES has an oil capacity of 8.5 liters.
What alternator does the Kohler 125ERES use?
The Kohler 125ERES uses a Kohler 4R12X alternator.
Parts
12| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 273113 | Gasket–Intake | 1 | Sensor | PartsGeek |
| GM19721 | Gasket, exhaust manifold | 2 | Gasket | PartsGeek |
| GM62308 | Air Cleaner Assy | 1 | Air filter | PartsGeek |
| GM62309 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $510.99 PartsGeek |
| GM69285 | Hose, Air Intake | 1 | Hose | PartsGeek |
| GM87592 | Oil filter | 1 | Oil filter | Amazon eBay $37.50 PartsGeek |
| GM87608 | Spark plug | 8 | Spark plug | Amazon eBay $60.00 PartsGeek |
| GM92063-S | Maintenance Kit | Maintenance kit | PartsGeek | |
| GM92099-S | Maintenance Kit | Maintenance kit | PartsGeek | |
| 150ERESC | KOHLER 150ERESC generator | Service part / kit | PartsGeek | |
| 7610025-1 | Service part / kit | PartsGeek | ||
| GM80582-MA1 | X-612-7 | 1 | Service part / kit | PartsGeek |
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 |
|---|---|---|---|
| Standby | |||
| Standby | 25% | ||
| Standby | 50% | ||
| Standby | 75% | ||
| Standby | 100% |
Available documents
Brochure (Kohler)Brochure — GSA Product List (Kohler)Brochure — RES Consumer Referral Rebate (Kohler)Brochure — Referral Rebate Form EDITABLE (Kohler)Spec sheet (Kohler)Spec sheet — 125ERESB-Kohler-Residential-Generator (Kohler)Installation manual — 8.1L Crankcase Heater KIT tt1560 (Kohler)Installation manual — cold weather kit tt1723 (Kohler)Installation manual — tt1723 (Kohler)Reference — Kohler 2017 Referral Rebate Consumer RESReference — Kohler 2019 RES Consumer Referral RebateWiring diagram — tp6791 (Kohler)