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R420D-V Engine

The R420D-V is an engine, producing up to 7.5 kW. It powers generator sets from Echo.

Also known as: R420D-V

7 kW
Gross power
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Engine specifications

Gross power7 kW

Generator sets powered by this engine

1
Echo R420D-V

Common problems

2
  • Generator has no output
    Cause: 1. Check if the DC circuit breaker is turned off. 2. Check AC receptacle and DC terminals for loose connection. 3. Check to see if engine starting was attempted with appliances already connected to generator.
    Fix: 1. Depress or flip the circuit breaker into ON position. 2. Secure connection if necessary. 3. Turn off switch on the appliance, and disconnect cable from receptacle. Reconnect after generator has been started properly.
  • Engine will not start
    Cause: 1. Check if engine switch is off. 2. Fuel Tank empty. 3. Check to make sure generator is not connected to an appliance. 4. Check spark plug for loose spark plug cap 5. Check spark plug for contamination. 6. Check engine oil level.
    Fix: 1. Turn engine switch to the Choke position. 2. Fill tank ensuring you do not overfill. 3. If connected, turn off the power switch on the connected appliance and unplug. 4. If loose, push spark plug cap back into place 5. Remove spark plug and clean electrode. 6. If engine oil level is low, add oil as per instructions.

Compiled from service & troubleshooting documentation across every generator set that uses the R420D-V.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter—500 hr
Fuel filter—1000 hr
Oil filter—500 hr
Battery—1000 hr
Belt—500 hr
Coolant—1000 hr
Oil25.0 L—27 hr
Spark plug—500 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

Which generators use the R420D-V engine?

The R420D-V powers 1 generator set(s), including Echo R420D-V.

How often should you change the oil in the R420D-V?

The R420D-V oil change interval is every 27 hours.

What is a common problem with the R420D-V engine?

A commonly reported issue on generators using the R420D-V is: Generator has no output. Cause: 1. Check if the DC circuit breaker is turned off. 2. Check AC receptacle and DC terminals for loose connection. 3. Check to see if engine starting was attempted with appliances already connected to generator.. Fix: 1. Depress or flip the circuit breaker into ON position. 2. Secure connection if necessary. 3. Turn off switch on the appliance, and disconnect cable from receptacle. Reconnect after generator has been started properly..