Specifications
| Fuel | natural gas or propane (LP) vapor |
|---|---|
| Controller | RDC2 |
| Alternator | Kohler PowerBoost (2-pole, Class H insulation) |
| Voltage options | 120/240 V, 208/230 V |
| Phase | single or three-phase |
Maintenance & consumables
for the Kohler CH740 or CH1000| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1200 hr | find | ||
| Fuel filter | — | 1200 hr | find | ||
| Oil filter | — | 1200 hr | find | ||
| Belt | — | 2400 hr | find | ||
| Coolant | 10.0 L | — | 3600 hr | ||
| Oil | 5W-40 | 4.5 L | — | 1200 hr |
Common questions
What engine does the Kohler 14/20RES use?
The Kohler 14/20RES is powered by the Kohler CH740 or CH1000 engine.
What fuel does the Kohler 14/20RES use?
The Kohler 14/20RES runs on natural gas or propane (LP) vapor.
What alternator does the Kohler 14/20RES use?
The Kohler 14/20RES uses a Kohler PowerBoost alternator. It has 2 poles. Insulation class H.
Troubleshooting
2Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Battery short circuits | Disconnect the battery before generator set installation or maintenance. Remove all jewelry before servicing the equipment. Use tools with insulated handles. Remove the negative (--) lead first when disconnecting the battery. Reconnect the negative (--) lead last when reconnecting the battery. | |
| Bodily injury and/or equipment damage | Battery short circuits | Disconnect the battery before generator set installation or maintenance. Remove all jewelry before servicing the equipment. Use tools with insulated handles. Remove the negative (--) lead first when disconnecting the battery. Reconnect the negative (--) lead last when reconnecting the battery. Never connect the negative (--) battery cable to the positive (+) connection terminal of the starter solenoid. Do not test the battery condition by shorting the terminals together. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| GM77569 | Original RDC2 Controller | 1 | Service part / kit | PartsGeek |
| GM90304 | Revised RDC2 Controller | 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 |
|---|---|---|---|
| Prime | |||
| Standby |
Available documents
Installation manual (Kohler)Installation manual — Controllers tt1589 (Kohler)Installation manual — TP-6733 (Kohler)Installation manual — tp6803cmp (Kohler)Installation manual — tp7007 (Kohler)Installation manual — tt1589 (Kohler)Installation manual — tt1618 Oncue Wireless (Kohler)Reference (Kohler)Owner's manual — tp6734 (Kohler)Owner's manual — tp6796 (Kohler)Owner's manual — tp6804 (Kohler)Owner's manual — tp6804cmp (Kohler)Service manual — 14-20RESA RESAL Manual (Kohler)Service manual — tp6803 (Kohler)