Specifications
| Fuel | NATURAL GAS |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 10 kW |
| Standby kVA | 10 |
| Prime power | 9 kW |
| Voltage options | 120 V, 240 V |
| Phase | single |
| Rated current | 90 A |
| Circuit breaker | 90 A |
| Dimensions (L×W×H) | 1105×538×927 mm |
| Dry weight | 310 kg |
| Sound level | 63.0 dBA @ 7 m |
Maintenance & consumables
for the Kohler CH25| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | air filter | — | 500 hr | ||
| Fuel filter | fuel filter | — | 300 hr | ||
| Oil filter | engine oil filter | — | 100 hr | ||
| Battery | battery | — | |||
| Belt | — | ||||
| Coolant | automotive antifreeze coolant | — | |||
| Oil | engine oil | — | 100 hr | ||
| Spark plug | spark plug | — |
Common questions
What size generator is the Genmac HSD12?
The Genmac HSD12 is rated 10 kW standby (10.8 kVA).
What engine is in the Genmac HSD12?
The Genmac HSD12 is powered by the Kohler CH25 engine.
What fuel does the Genmac HSD12 use?
The Genmac HSD12 runs on NATURAL GAS.
Troubleshooting
4Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Battery Supply Voltage (12 VDC) is not normal | 1. DC battery power not connected. Check for blown fuse. 2. Low battery voltage. 3. Wiring error. | |
| Speed trim value is abnormal | 1. Speed trim shorted or miswired. | |
| Gap between speed sensor and gear teeth is too great | 1. Gap between speed sensor and gear teeth too great. 2. Improper or defective wiring to the speed sensor. | Check gap. |
| Defective speed sensor | 3. Defective speed sensor |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
20| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 12 050 01 | Oil filter | 1 | Oil filter | Amazon $30.38 eBay KuduParts $11.00 |
| 12 050 01-S | Filter, oil | 40 | Filter | Amazon $30.38 eBay KuduParts $32.00 |
| 12 132 02 | Spark plug | 1 | Spark plug | buy |
| 12 132 02-S | Spark plug | 2 | Spark plug | buy |
| 24 050 01-S | Filter, breather | 8 | Filter | buy |
| 24 083 02 | Precleaner element | 1 | Air filter | buy |
| 24 083 08 | Air cleaner element | 1 | Air filter | buy |
| 24 083 08-S | Element, air filter | 1 | Air filter | buy |
| 24 083 09-S | Element, air filter | 1 | Air filter | buy |
| 241927 | Sensor, speed | 1 | Sensor | Amazon eBay |
| 25 132 14-S | Spark plug (RFI) | 2 | Spark plug | buy |
| 269373 | Alternator Assembly | 5 | Alternator | Amazon eBay |
| GM28823 | Sensor, oil temperature | 1 | Sensor | Amazon eBay $50.00 |
| 223316 | Fuse, 10 A, 250 V | 1 | Service part / kit | Amazon $171.06 eBay $31.37 |
| 24 083 02-S | Pre-cleaner | 8 | Service part / kit | buy |
| 24 083 05-S | Pre-cleaner | 8 | Service part / kit | buy |
| 292937 | Fuse, 20 A, 250 V | 1 | Service part / kit | Amazon eBay $31.78 |
| F-228605 | Kit, voltage regulator | 1 | Service part / kit | Amazon eBay $539.95 |
| GM10064 | PCB assembly (relay controller) | 1 | Service part / kit | Amazon eBay $337.95 |
| GM29671 | PCB assy, relay board 12V | 1 | 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 |
|---|---|---|---|
| Prime | 100% | 1.9 | 7.2 |
| Standby | 100% | 1.1 | 4.2 |
Available documents
Owner's manual — Elliott HSB 12-22kW OM 2004 (Genmac)