Kohler Command PRO CH620

KOHLER® Command PRO
CH23, CH620-CH740, CH750
CV23, CV620-CV740, CV750
Owner's Manua-1
,,. . ·~·,;.,;
„ll'IPORTANT: · Read all safety precautions a11d ini.trubtions carefully before
operating equipment. Refer to op~rafing instruction of · .
equipment that this engine powers.
Ensure engine is
stopped and level before performing any
maintenance or service.
Warranty coverage as outlined in the warranty card and on
KohlerEngines.com. Please review carefully as it provides you
specific rights and obligations.
To maintain compliance with applicable emission regulations,
exhaust system backpressure may not exceed limits which can
be found on KohlerEngines.com. Search by Model No., select
Read More, then selectSpecs tab.
3Cord engine information to reference when ordering parts or obtaining warranty coverage.
. EN
ESS '
FRC
1
Engine Model __________________ _
Specification
Serial
Number __________________ _
Purchase
Date __________________ _
1 590 31 Rev. C
KnhlP.rFnninA~ ~nm

Kohler Command PRO CH620 Specifications

General

Compression Ratio	8.5:1
Spark Plug	Champion RC12YC or equivalent
Governor Type	Mechanical
Power	20.0 hp (14.9 kW) at 3600 rpm
Oil Capacity	1.9 L
Lubrication	Full Pressure
Fuel System	Carburetor
Ignition System	Electronic
Alternator	15 Amp
Starter	Electric
Engine Type	4-cycle, single cylinder, overhead valve (OHV)

Summary

Kohler Command PRO Owners Manual

Important Safety, Warranty, and Compliance Information

Key safety precautions, warranty details, and emission compliance guidance for operating the engine.

Engine Information Recording

Section for recording engine model, specification, serial number, and purchase date for reference.

Safety Precautions

Hazard Warnings and Cautions

Covers warnings for fuel hazards, carbon monoxide, accidental starts, rotating parts, electrical shock, and hot parts.

California Proposition 65 Warnings

Information regarding chemicals in engine exhaust and product known to cause cancer or reproductive harm.

Engine Components and Pre-Start Checklist

Component Identification Diagram

Illustrated guide identifying various engine parts and their locations (A-Z).

Pre-Start Checklist

Steps to ensure engine readiness before starting, including oil, fuel, and component checks.

Operating Procedures

Starting and Stopping the Engine

Instructions for initiating and ceasing engine operation, including choke usage and starter limits.

Operational Considerations

Details on cold weather starting, stopping, angle of operation, engine speed, and high altitude adjustments.

Maintenance and Oil Information

Maintenance Schedule and Procedures

Scheduled maintenance tasks based on hours of operation and weekly checks.

Oil Recommendations and Level Check

Guidance on selecting and checking engine oil levels to prevent damage.

Fluid Management

Changing Oil and Filter

Step-by-step instructions for draining and replacing engine oil and filter.

Fuel Recommendations and Guidelines

Specifies approved fuel types, octane ratings, and handling precautions.

Service and Storage

Spark Plug and Air Cleaner Maintenance

Procedures for servicing spark plugs, air cleaner elements, and breather tubes.

Engine Storage Procedures

Steps for preparing the engine for extended periods of non-use.

Troubleshooting and Specifications

Troubleshooting Common Problems

Identifies potential causes for engine performance issues like starting, power loss, and overheating.

Engine Specifications Table

Lists key engine parameters including bore, stroke, displacement, oil capacity, and spark plug gap.

Limited Warranty Information

Warranty Coverage and Exclusions

Details on engine warranty periods for different uses, limitations, and excluded components/conditions.

Obtaining Warranty Service

Instructions on how to get warranty service, including contact information and dealer location.