Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 125 kW |
| Standby kVA | 156 |
| Prime power | 125 kW |
| Emissions | Tier III |
| Controller | Decision-Maker, Decision-Maker 3+, Decision-Maker 3500, KOHLER-built microprocessor controls |
| Oil capacity | 19.0 L |
| Alternator | Kohler 4R13X |
| Voltage options | 120/208 V, 120/240 V, 127/220 V, 139/240 V, 277/480 V |
| Phase | 3 |
| Rated current | 434 A |
| Battery cranking | 925 CCA |
| Battery voltage | 12- or 24-volt V |
| Coolant capacity | 19 L |
| Dimensions (L×W×H) | 2068×893×1003 mm |
| Dry weight | 1458 kg |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | Primary | 223414 | Amazon eBay $24.57 PartsGeek | ||
| Fuel filter | Secondary | 223953 | Amazon eBay $49.90 PartsGeek | ||
| Oil filter | 223673 | Amazon eBay $6.28 PartsGeek |
Common questions
What is the power rating of the Kohler 125EOZ?
The Kohler 125EOZ is rated 125 kW standby (156.0 kVA).
What fuel does the Kohler 125EOZ use?
The Kohler 125EOZ runs on Diesel.
What alternator does the Kohler 125EOZ use?
The Kohler 125EOZ uses a Kohler 4R13X alternator.
Parts
136model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 222771 | Fuel/water separator | 1 | Fuel filter | Amazon eBay $29.14 PartsGeek |
| 223414 | Filter, fuel | 1 | Fuel filter | Amazon eBay $24.57 PartsGeek |
| 223604 | Filter, oil | 1 | Oil filter | Amazon eBay $35.77 PartsGeek |
| 223673 | Filter, oil | 1 | Oil filter | Amazon eBay $6.28 PartsGeek |
| 223953 | Filter, fuel | 1 | Fuel filter | Amazon eBay $49.90 PartsGeek |
| 226915 | Element, air cleaner | 1 | Air filter | Amazon eBay $43.43 PartsGeek |
| 229125 | belt | 2 | Belt | Amazon eBay $22.07 PartsGeek |
| 229678 | Filter, oil | 4 | Oil filter | Amazon eBay $21.99 PartsGeek |
| 229715 | Element, fuel | 4 | Fuel filter element | Amazon eBay $11.99 PartsGeek |
| 229826 | Seawater Pump Impeller Kit | 4 | Impeller | PartsGeek |
| 249989 | BELT | 1 | Belt | Amazon eBay $19.76 PartsGeek |
| 250719 | Breaker amps | PartsGeek | ||
| 250813 | Element, fuel | 1 | Fuel filter | Amazon eBay $15.00 PartsGeek |
| 250954 | Filter, oil | 1 | Oil filter | Amazon eBay $31.57 PartsGeek |
| 252834 | Filter, oil | 1 | Oil filter | Amazon eBay $27.95 PartsGeek |
| 252898 | Filter, fuel | 1 | Fuel filter | Amazon eBay $244.78 PartsGeek |
| 253107 | Element, air cleaner | 1 | Air filter | Amazon eBay $69.00 PartsGeek |
| 253108 | Element, air cleaner | 1 | Air filter | Amazon eBay $20.45 PartsGeek |
| 254471 | Element, air cleaner | 1 | Air filter | Amazon eBay $94.38 PartsGeek |
| 256503 | BELT | 1 | Belt | Amazon eBay $12.00 PartsGeek |
| 258423 | Element, air cleaner | 1 | Air filter | Amazon eBay $36.43 PartsGeek |
| 258646 | Element, air cleaner | 1 | Air filter | Amazon eBay $35.69 PartsGeek |
| 260085 | Zinc anode kit | 4 | Zinc anode kit | PartsGeek |
| 267714 | Filter, oil | 1 | Oil filter | Amazon eBay $14.93 PartsGeek |
| 267987 | FILTER, PRIMARY FUEL | 1 | Fuel filter | Amazon eBay $14.95 PartsGeek |
| 272981 | Air cleaner, industrial | 1 | Air filter | Amazon eBay $449.00 PartsGeek |
| 272982 | Air cleaner, industrial | 1 | Air filter | Amazon eBay $68.99 PartsGeek |
| 274821 | Air cleaner, industrial | 1 | Air filter | Amazon eBay $49.27 PartsGeek |
| 275501 | Filter, fuel | 1 | Fuel filter | Amazon eBay $8.13 PartsGeek |
| 276148 | BELT | 1 | Belt | Amazon eBay $65.69 PartsGeek |
| 277759 | Element, air cleaner | 1 | Air filter | Amazon eBay $7.18 PartsGeek |
| 278612 | Element, air cleaner | 1 | Air filter | Amazon eBay $29.64 PartsGeek |
| 278858 | Element, air cleaner | 1 | Air filter | Amazon eBay $30.48 PartsGeek |
| 279218 | Filter, oil | 1 | Oil filter | Amazon eBay $28.88 PartsGeek |
| 279260 | Filter, oil | 1 | Oil filter | Amazon eBay $17.97 PartsGeek |
| 279261 | Filter, fuel | 1 | Fuel filter | Amazon eBay $200.00 PartsGeek |
| 279262 | Filter, fuel | 1 | Fuel filter | Amazon eBay $17.97 PartsGeek |
| 279449 | Filter, oil | 1 | Oil filter | Amazon eBay $20.00 PartsGeek |
| 279736 | Element, air cleaner | 1 | Air filter | Amazon eBay $42.99 PartsGeek |
| 322056-S | In-line fuel filter | 1 | Fuel filter | Amazon eBay $24.95 PartsGeek |
| 322536 | Filter, fuel | 1 | Fuel filter | Amazon eBay $29.26 PartsGeek |
| 324418 | Element, air cleaner | 1 | Air filter | Amazon eBay $23.93 PartsGeek |
| 326098 | Element, air cleaner | 1 | Air filter | Amazon eBay $200.00 PartsGeek |
| 326099 | Element, air cleaner | 1 | Air filter | Amazon eBay $49.99 PartsGeek |
| 326817 | Filter, oil | 1 | Oil filter | Amazon eBay $24.59 PartsGeek |
| 328215 | Filter, fuel | 1 | Fuel filter | Amazon eBay $19.99 PartsGeek |
| 328216 | Filter, fuel | 1 | Fuel filter | Amazon eBay $19.97 PartsGeek |
| 336661 | Filter, fuel | 1 | Fuel filter | Amazon eBay $12.00 PartsGeek |
| 343219 | Air cleaner, industrial | 1 | Air filter | Amazon eBay $78.87 PartsGeek |
| 343445 | Filter, oil | 1 | Oil filter | Amazon eBay $33.15 PartsGeek |
| 354842 | Air cleaner, industrial | 1 | Air filter | Amazon eBay $75.00 PartsGeek |
| 359771 | Filter, oil | 1 | Oil filter | Amazon eBay $22.46 PartsGeek |
| 359978 | IMPELLER REPAIR KIT | 1 | Impeller | PartsGeek |
| 360031 | Filter, oil | 1 | Oil filter | Amazon eBay $13.50 PartsGeek |
| 363205 | BELT | 1 | Belt | Amazon eBay $3.75 PartsGeek |
| 363418 | Filter, fuel | 1 | Fuel filter | Amazon eBay $9.10 PartsGeek |
| 365012 | Filter, oil | 1 | Oil filter | Amazon eBay $69.95 PartsGeek |
| 52 050 02-S | FILTER, OIL | 1 | Oil filter | PartsGeek |
| ED0021750010-S | Oil filter | Amazon eBay $119.95 PartsGeek | ||
| ED0021752800-S | Oil Filter | 1 | Oil filter | Amazon eBay $22.90 PartsGeek |
| ED0021752850-S | Oil Filter | 4 | Oil filter | Amazon eBay $36.35 PartsGeek |
| ED0021752880-S | Fuel Filter Element | 4 | Fuel filter | Amazon eBay $28.71 PartsGeek |
| ED0021753180-S | Fuel Filter Element (Secondary) | 4 | Fuel filter | Amazon eBay $72.00 PartsGeek |
| ED0021753200-S | Fuel Filter Element | 1 | Fuel filter | Amazon eBay $49.97 PartsGeek |
| ED0090802150-S | Zinc Anode | 4 | Zinc anode plug | PartsGeek |
| ED0090802840-S | Zinc Anode | 4 | Zinc anode plug | PartsGeek |
| GM103820 | Fuel filter | PartsGeek | ||
| GM105310 | Container | PartsGeek | ||
| GM12310 | Container | PartsGeek | ||
| GM12314 | Container | PartsGeek | ||
| GM13224 | Filter, oil | 1 | Oil filter | Amazon eBay $60.00 PartsGeek |
| GM13660 | Belt seawater pump | Brush | Amazon eBay PartsGeek | |
| GM13943 | Filter, oil bypass | 1 | Oil filter | Amazon eBay PartsGeek |
| GM13947 | Filter, fuel | 1 | Fuel filter | Amazon eBay $79.99 PartsGeek |
| GM13949 | Filter, oil | 1 | Oil filter | Amazon eBay PartsGeek |
| GM16114 | Filter, oil | 1 | Oil filter | Amazon eBay PartsGeek |
| GM16532 | Filter, oil | 1 | Oil filter | Amazon eBay PartsGeek |
| GM16703 | Filter, oil | 1 | Oil filter | Amazon eBay $10.00 PartsGeek |
| GM16944 | Element, air cleaner | 1 | Air filter | Amazon eBay $49.68 PartsGeek |
| GM18793 | IMPELLER REPAIR KIT | 1 | Spark plug | Amazon eBay $68.63 PartsGeek |
| GM18808 | FILTER, SECONDARY FUEL | 1 | Fuel filter | Amazon eBay PartsGeek |
| GM18821 | FILTER, PRIMARY FUEL | 1 | Fuel filter | Amazon eBay $49.99 PartsGeek |
| GM25504 | Filter, oil | 1 | Oil filter | Amazon eBay PartsGeek |
| GM25506 | Filter, oil | 1 | Oil filter | Amazon eBay $35.00 PartsGeek |
| GM25508 | Filter, oil | 1 | Oil filter | Amazon eBay $14.95 PartsGeek |
| GM25537 | Filter, fuel | 1 | Fuel filter | Amazon eBay PartsGeek FridayParts $32.00 |
| GM25552 | Fuel/water separator | 1 | Fuel filter | Amazon eBay $14.99 PartsGeek |
| GM25554 | Filter, fuel | 1 | Fuel filter | Amazon eBay $19.99 PartsGeek |
| GM28351 | Filter, oil | 1 | Oil filter | Amazon eBay $19.46 PartsGeek |
| GM30594 | Filter, fuel, secondary | 1 | Fuel filter | Amazon eBay $60.00 PartsGeek |
| GM32359 | Filter, fuel | 1 | Fuel filter | Amazon eBay $26.87 PartsGeek |
| GM32809 | FUSE, 8-AMP | 4 | Oil filter | Amazon eBay $42.50 PartsGeek |
| GM34570 | FILTER, SECONDARY FUEL | 1 | Fuel filter | Amazon eBay $23.36 PartsGeek |
| GM35825 | BELT | 1 | Belt | Amazon eBay $133.60 PartsGeek |
| GM35826 | SPARK PLUG | 4 | Spark plug | Amazon eBay $13.00 PartsGeek |
| GM41014 | Fuel Filter Element (Primary) | Fuel filter | Amazon eBay $70.50 PartsGeek | |
| GM46180 | SPARK PLUG | 2 | Spark plug | Amazon eBay $15.14 PartsGeek |
| GM47465 | FILTER, OIL | 1 | Oil filter | Amazon eBay $23.52 PartsGeek |
| GM48014 | BELT, SEAWATER PUMP | 1 | Container | PartsGeek |
| GM48727 | FILTER, SECONDARY FUEL | 1 | Fuel filter | Amazon eBay $24.99 PartsGeek |
| GM48728 | FILTER, SECONDARY FUEL | 1 | Fuel filter | Amazon eBay $100.76 PartsGeek |
| GM48729 | FILTER, PRIMARY FUEL | 3 | Fuel filter | Amazon eBay $22.49 PartsGeek |
| GM48730 | FILTER, SECONDARY FUEL | 4 | Fuel filter | Amazon eBay $51.48 PartsGeek |
| GM48731 | FILTER, OIL | 4 | Oil filter | Amazon eBay $25.24 PartsGeek |
| GM50263 | FILTER, PRIMARY FUEL (Includes primary and secondary filter elements) | 1 | Fuel filter | Amazon eBay $99.99 PartsGeek |
| GM50644 | Seawater Pump Impeller Kit | 4 | Impeller | Amazon eBay $38.39 PartsGeek |
| GM51356 | Container | PartsGeek | ||
| GM77091 | BELT, SEAWATER PUMP | 1 | Container | PartsGeek |
| GM84053 | Container | PartsGeek | ||
| GM84054 | Container | PartsGeek | ||
| GM89804 | Container | PartsGeek | ||
| GM89805 | Container | PartsGeek | ||
| GM90645 | BELT, SEAWATER PUMP | 1 | Belt | PartsGeek |
| GM91974 | Fuel filter | Amazon eBay PartsGeek | ||
| GM95659 | Container | PartsGeek | ||
| GM95660 | Container | PartsGeek | ||
| GM98756 | 4 | Spark plug | Amazon eBay PartsGeek | |
| GM99047 | Container | PartsGeek | ||
| 223316 | FUSE, 8-AMP | 5 | Service part / kit | PartsGeek |
| 239282 | BRUSH | 2 | Service part / kit | PartsGeek |
| 239298 | FUSE, 5-AMP | 5 | Service part / kit | PartsGeek |
| 243273 | FUSE, 3-AMP | 5 | Service part / kit | PartsGeek |
| 262389 | FUSE, 25-AMP | 5 | Service part / kit | PartsGeek |
| 267928 | ZINC ANODE KIT | 1 | Service part / kit | PartsGeek |
| 283645 | FUSE, 15-AMP | 5 | Service part / kit | PartsGeek |
| 344835 | CONTAINER | 1 | Service part / kit | PartsGeek |
| 352142 | ZINC ANODE KIT | 1 | Service part / kit | Amazon eBay $26.09 PartsGeek |
| 358337 | FUSE, 10-AMP | 5 | Service part / kit | PartsGeek |
| GM15402 | BRUSH | 1 | Service part / kit | Amazon eBay $231.88 PartsGeek |
| GM39266 | FUSE, 20-AMP | 5 | Service part / kit | PartsGeek |
| GM47427 | FUSE, 20-AMP | 5 | Service part / kit | PartsGeek |
| GV15402 | CIRCUIT BREAKER, 10-AMP | 1 | Service part / kit | PartsGeek |
| GV42337 | FUSE, 10-AMP | 5 | Service part / kit | PartsGeek |
| GV42339 | FUSE, 25-AMP | 5 | Service part / kit | PartsGeek |
| X-6348-6 | DECAL | 12 | Service part / kit | PartsGeek |
| X-6348-9 | DECAL | 1 | Service part / kit | PartsGeek |
Compiled from this model's family documentation — may include parts for closely-related variants. 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 | 25% | 14.3 | 3.8 |
| Prime | 50% | 24.7 | 6.5 |
| Prime | 75% | 36.3 | 9.6 |
| Prime | 100% | 46.1 | 12.2 |
| Standby | 25% | 12.7 | 3.35 |
| Standby | 50% | 19.3 | 5.1 |
| Standby | 75% | 26.3 | 6.95 |
| Standby | 100% | 33.9 | 8.97 |
Available documents
Brochure (Kohler)Brochure — GSA Product List (Kohler)Brochure — MAR CommercialBroch2015 (Kohler)Brochure — PocketGuide (Kohler)Spec sheet (Kohler)Spec sheet — 007165-01 MAR Commercial SpecificationSheetRevise v2 (Kohler)Spec sheet — Commercial SpecSheet (Kohler)Spec sheet — g2157 (Kohler)Spec sheet — g2166 (Kohler)Reference (Kohler)Reference — FinalGSAPriceListEffective 3-20-2023 (Kohler)Reference — G18095 (Kohler)Reference — GSAPriceList (Kohler)Owner's manual — tp6861 (Kohler)Parts manual (Kohler)Parts manual — G12-202-11-20-Sea-Spares-Kits-brochure (Kohler)Parts manual — g260412 (Kohler)