Specifications
| Fuel | Gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Prime power | 6 kW |
| Oil capacity | 1.1 L |
| Voltage options | 120 V, 120/240 V |
| Phase | Single |
| Battery voltage | 12 V |
| Sound level | 62.0 dBA |
| Fuel tank | 30.0 L |
| Tank runtime | 8.8 hr |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Check and clean as needed | — | |||
| Oil filter | Inspect and clean as needed | — | |||
| Oil | Check before each start | — | |||
| Spark plug | Gap .028 - .032 inches (0.7 - 0.8mm) | — |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Service intervals
1| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Engine Oil Level | Check | First service — Before each start |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Service specifications
1| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Gap | Spark Plug Gap | 0.7 - 0.8 | mm |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Procedures
3Starting the Engine - Electric Start operation
- Turn fuel valve to ON position
- For cold engine, pull choke knob out
- Turn generator switch to START position
- Release switch when engine starts
- Once engine starts, slowly push choke knob in
Starting the Engine - Recoil Start operation
- Turn fuel valve to ON position
- For cold engine, pull choke knob out
- Turn generator switch to ON position
- Slowly pull starter handle until resistance felt
- Quickly pull the handle with full force
- Once engine starts, slowly push choke knob in
Stopping the Engine operation
- Turn generator switch to OFF position
- Turn fuel valve to OFF position
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
What engine does the Caterpillar RP6500 E use?
The Caterpillar RP6500 E is powered by the Caterpillar OHV V-Twin engine.
Is the Caterpillar RP6500 E diesel or gas?
The Caterpillar RP6500 E runs on Gasoline.
Troubleshooting
5Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine Will Not Start | Generator switch in the off “ 0 ” position Choke knob in the wrong position No fuel Bad or contaminated fuel Not enough oil in the engine Dirty air filter No fuel at the carburetor Engine flooded No spark (for electric start) | Turn the generator switch to the correct position. Place the choke knob in the correct position. Fill the fuel tank. Check the fuel. Check the oil level. If low, add the recommended oil. Clean the air filter. Make sure the fuel switch is in the on " I " position. Wait 5 minutes. Replace the spark plug. For electric start, start the engine using the recoil starter. If the generator starts, check the battery. If the battery is providing less than 12.4 volts, replace the battery. |
| Engine Runs Rough (no load) | Dirty air filter | Stop the engine and check the air filter. Clean if needed. Start the engine / check if it runs rough |
| Engine Shuts Down | Out of fuel Not enough oil in the engine Dirty air filter Generator overloaded | Check the fuel. Fill the tank if necessary. Check the oil level. If low, add the recommended oil. Clean the air filter. Unplug some of the devices. |
| Engine Runs Rough (with load) | Dirty air filter Generator overloaded | Stop the engine and check the air filter. Clean if needed. Start the engine / check if it runs rough. Unplug some of the devices. |
| Engine Runs, But Generator Does Not Provide Power | Circuit breaker is open Bad connection Defective power cord Defective device plugged in | Close the circuit breaker. Stop the engine and check the connections. Replace the cord. Unplug defective device. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
5| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 501-5293 | RP7500 E Service Kit | 1 | Service | Amazon eBay |
| 501-5294 | RP12000 E Protective Cover | 1 | Protective cover | Amazon eBay |
| 502-3692 | Multi-Connector Power Cord (25 ft) | 1 | Power cord | Amazon eBay |
| 502-3693 | Single Connector Power Cord (25 ft) | 1 | Power cord | Amazon eBay |
| 502-3704 | RP6500 E Service Kit | 1 | Service | 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.