Specifications
| Fuel | LPG |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 105 kW |
| Standby kVA | 160 |
| Emissions | EPA NSPS |
| Controller | APM402, Decision-Maker 3000, Decision-Maker 550 |
| Oil capacity | 8.0 L |
| Alternator | 4T13X |
| Voltage options | 120/240 V |
| Phase | 1 |
| Rated current | 469 A |
| Power factor | 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) | 138×46×67 mm |
| Sound level | 73.0 dBA @ 23 ft m |
Engine
| Oil capacity | 7.6 L |
|---|---|
| Coolant capacity | 13.7 L |
| Displacement | 8.8 L |
| Aspiration | Turbo Charge Air Cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Power Solutions International 8.8L Industrial Powertrain| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Inspect air cleaner, Replace air cleaner element | — | 200 hr | ||
| Fuel filter | Replace fuel filter | — | 3652 hr | ||
| Oil filter | ×1 | — | 150 hr | ||
| Coolant | Closed-Loop Radiator System | 49.2 L | — | ||
| Oil | 8.5 L | — | 150 hr | ||
| Spark plug | Replace spark plugs | — | 3652 hr |
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| Alternator Reconnection drawing ADV-5875U--1 | 4 | 4--Lead |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
How many kW is the Kohler 125ERES?
The Kohler 125ERES is rated 105 kW standby (160.0 kVA).
What engine is in the Kohler 125ERES?
The Kohler 125ERES is powered by the Power Solutions International 8.8L Industrial Powertrain engine.
What fuel type does the Kohler 125ERES take?
The Kohler 125ERES runs on LPG.
What is the oil capacity of the Kohler 125ERES?
The Power Solutions International 8.8L Industrial Powertrain engine in the Kohler 125ERES has an oil capacity of 7.6 liters.
What alternator comes on the Kohler 125ERES?
The Kohler 125ERES uses a 4T13X alternator.
Parts
12| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 273113 | Gasket–Intake | 1 | Air filter | Amazon eBay |
| GM19721 | Gasket, exhaust manifold | 2 | Gasket | Amazon |
| GM62308 | Air Cleaner Assy | 1 | Air filter | Amazon eBay |
| GM62309 | Element, air cleaner | 1 | Oil filter | Amazon eBay $91.00 |
| GM69285 | Hose, Air Intake | 1 | Hose | Amazon eBay |
| GM87592 | Oil filter | 1 | Oil filter | Amazon eBay $37.50 |
| GM87608 | Spark plug | 8 | Oil filter | Amazon eBay $60.00 |
| GM92063-S | Maintenance Kit | Maintenance kit | Amazon eBay | |
| GM92099-S | Maintenance Kit | Maintenance kit | Amazon eBay | |
| 80ERESD | KOHLER 80ERESD generator | Service part / kit | eBay | |
| GM101824 | 5.7L breather retrofit kit (not fully specified) | 1 | Service part / kit | Amazon eBay |
| GM71612-MA1 | X-612-25 | 2 | Service part / kit | Amazon eBay |
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 | 3.7 | 0.98 |
Available documents
Spec sheet (Kohler)Spec sheet — 125ERESB-Kohler-Residential-Generator (Kohler)Reference (Kohler)Reference — RES Consumer Referral Rebate (Kohler)Reference — Referral Rebate Form EDITABLE (Kohler)Parts manual — Kohler 2017 Referral Rebate Consumer RES (Kohler)Parts manual — Kohler 2019 RES Consumer Referral Rebate (Kohler)Service manual — 8.1L Crankcase Heater KIT tt1560 (Kohler)Service manual — cold weather kit tt1723 (Kohler)Service manual — sb720 (Kohler)Service manual — sb735 (Kohler)Service manual — tp6791 (Kohler)Service manual — tt1723 (Kohler)