Kohler CH740 25HP Engine Upgrade for CH640-3139

The Kohler CH740 25HP Engine Upgrade for CH640-3139 replaces a worn-out original engine (CH640-3139) with a brand-new engine plus the installation components listed below, so you can put your machine back to work without rebuilding the old engine.

Replacement Engine Options

• CH740 (25 Gross HP)

What's Included

• Brand-new engine
• Hydraulic Lifters
• Dual Element Air Cleaner
• Exhaust Gaskets
• Plug-N-Play Wiring

Fitment

Designed to replace the original engine (CH640-3139). Before ordering, check the model and specification numbers stamped on your current engine's ID tag or blower housing and match them to the options above.

Frequently Asked Questions

What engine does this kit replace?

It replaces the original CH640-3139.

Which replacement engines can I choose?

Available options: CH740 (25 Gross HP).

Is the engine new or rebuilt?

The engine is brand-new, not rebuilt or remanufactured.

How do I confirm fitment?

Match the model and specification numbers on your current engine's ID tag to the original engine listed for this kit. If your numbers differ, contact us before ordering.