Husqvarna Replacement Engine — Kohler CH640-3266 20.5 HP Command PRO Horizontal Engine Click to zoom

Husqvarna Replacement Engine — Kohler CH640-3266 20.5 HP Command PRO Horizontal Engine

MPN ENGINE

In stockReplacement Engine

Overview

🚚 Flat-rate LTL freight: $200
Ships palletized by LTL freight to the lower 48 states + DC for a flat $200. Need it fast? Choose Expedited or Need It Fast ($235.95) at checkout and we'll call you with the fastest options.

Need a replacement engine for your Husqvarna equipment? This is a brand-new, genuine Kohler CH640-3266 (Rehlko spec PA-CH640-3266) 20.5 HP Command PRO horizontal-shaft engine with a 1" x 3" crankshaft — the engine spec used on Husqvarna machines.

Kohler Engines now operates as Rehlko; same engine, same factory, same part number. Ships new in the crate with the manufacturer's engine warranty.

Before you order: confirm fitment

  • Check the engine tag on your Husqvarna machine: it should read CH640-3266 / PA-CH640-3266.
  • Match crankshaft diameter and length, mounting pattern, PTO/clutch, fuel and wiring connections.
  • Not sure which engine your machine has? Call (646) 666-7225 with your machine model and serial number and we'll confirm the right spec.

Engine specifications

Manufacturer Kohler (now Rehlko)
Part number (MPN) CH640-3266
Rehlko spec number PA-CH640-3266
Series Command PRO
Gross power 20.5 HP
Displacement 674 cc
Cylinders V-twin, OHV
Crankshaft orientation Horizontal
Crankshaft 1" x 3"
Fuel system Carbureted gasoline
Fuel pump Yes
Starter Electric Start
Charging 15 Amp
Oil capacity 2.0 qt (1.9 L)
Shipping weight 151 lb
Condition New, genuine OEM
Fits Husqvarna

Frequently asked questions

What engine does the Husqvarna use?

This listing is the Kohler CH640-3266 spec (20.5 HP). Always confirm against the tag on your existing engine.

How much is shipping?

Engines ship palletized by LTL freight for a flat $200 to the lower 48 + DC. Expedited / Need It Fast ($235.95) is available at checkout.

Is this the same engine as Kohler CH640-3266?

Yes — this is the same new Kohler/Rehlko engine sold on our Kohler CH640-3266 page, listed here by machine for easy lookup.