Specifications
| Standby power | 6 kW |
|---|---|
| Prime power | 6 kW |
| Controller | VSC |
| Voltage options | 48 V |
| Rated current | 111 A |
| Battery voltage | 48 V |
Maintenance & consumables
for the CH-74| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 100 hr | find | ||
| Oil filter | — | 200 hr | find | ||
| Oil | 5W-30 API Service Class SG, SH, or SJ synthetic oil | 1.9 L | — | 100 hr |
Common questions
What is the power rating of the Kohler 6VSG-48V?
The Kohler 6VSG-48V is rated 6 kW standby.
What engine does the Kohler 6VSG-48V use?
The Kohler 6VSG-48V is powered by the CH-74 engine.
Troubleshooting
1Symptoms & remedies
| Symptom | Remedy |
|---|---|
| Gas fuel leaks can cause an explosion. | Check the LP vapor gas or natural gas fuel system for leakage by using a soap and water solution with the fuel system test pressurized to 6–8 ounces per square inch (10–14 inches water column). Do not use a soap solution containing either ammonia or chlorine because both prevent bubble formation. A successful test depends on the ability of the solution to bubble. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
77| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 230578 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek FridayParts $24.68 | |
| X-125-22 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-23 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-24 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-25 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-26 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-27 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-28 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-29 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-3 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-30 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-31 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-32 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-33 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-34 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-35 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-36 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-38 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-39 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-40 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-43 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-44 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-125-5 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-15 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-17 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-18 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-19 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-2 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-20 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-21 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-22 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-23 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-129-24 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-10 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-11 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-12 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-14 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-16 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-17 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-18 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-2 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-20 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-21 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-25 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-6 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-7 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-8 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-465-9 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6024-11 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6024-12 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6024-2 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6024-3 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6024-4 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6024-5 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6024-8 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-1 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-10 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-11 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-12 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-13 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-14 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-16 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-17 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-18 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-19 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-2 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-20 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-21 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-22 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-25 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-3 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-4 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-5 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-6 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-7 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-8 | Hex Head Bolt (Grade 5) | Service part / kit | PartsGeek | |
| X-6238-9 | Hex Head Bolt (Grade 5) | 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 |
|---|---|---|---|
| Prime | 25% | ||
| Prime | 50% | ||
| Prime | 75% | ||
| Prime | 100% |
Available documents
Installation manual — Controllers tt1589 (Kohler)Installation manual — tp6842 (Kohler)Installation manual — tt1589 (Kohler)Service manual — tp6844 (Kohler)