Kohler PA-CV640-3004 CV640 E09 PRO BASIC (WAWB) - D — OEM product photo Click to zoom

Rehlko (formerly Kohler) PA-CV640-3004 20.5 HP Command PRO Vertical Engine, 1" x 3-5/32" Shaft

MPN PA-CV640-3004

In stockEngines

Specifications

Manufacturer
Rehlko (formerly Kohler Engines)
Part number (MPN)
PA-CV640-3004
Kohler part number
CV640-3004
Series
Command PRO
Gross power
20.5 HP
Displacement
674 cc
Cylinders
V-twin, OHV
Crankshaft orientation
Vertical
Crankshaft
1" x 3-5/32"
Fuel pump
Yes
Starter
Electric Start
Charging
15 Amp
Factory spec description
CV640 E09 PRO BASIC (WAWB) - D
Condition
New, genuine OEM
Shipping
$200 flat-rate LTL freight (lower 48 + DC)

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.

The Rehlko PA-CV640-3004 (formerly Kohler CV640-3004) is a 20.5 HP 674cc Command PRO (V-twin, OHV) vertical-shaft engine with a 1" x 3-5/32" crankshaft, electric start, 15 amp charging and a fuel pump. Factory description: CV640 E09 PRO BASIC (WAWB) - D.

Rehlko is the new name for Kohler Engines — same factory, same design, same part number. Search either name; Kohler CV640-3004 and Rehlko PA-CV640-3004 are the same genuine engine.

Why buy the PA-CV640-3004 from RFQQQ

  • Brand new, genuine Rehlko (Kohler) OEM engine backed by the manufacturer's engine warranty
  • $200 flat-rate LTL freight to the lower 48 + DC; Expedited / Need It Fast available
  • Pro accounts, net terms and POs for dealers, rental yards and contractors
  • Real people on the phone at (646) 666-7225 to confirm fitment before you order

Key features

  • 20.5 HP 674cc Command PRO engine
  • Vertical crankshaft: 1" x 3-5/32"
  • Electric Start, 15 Amp charging
  • Genuine Kohler/Rehlko engine, built to the original factory spec

Specifications

Manufacturer Rehlko (formerly Kohler Engines)
Part number (MPN) PA-CV640-3004
Kohler part number CV640-3004
Series Command PRO
Gross power 20.5 HP
Displacement 674 cc
Cylinders V-twin, OHV
Crankshaft orientation Vertical
Crankshaft 1" x 3-5/32"
Fuel pump Yes
Starter Electric Start
Charging 15 Amp
Factory spec description CV640 E09 PRO BASIC (WAWB) - D
Condition New, genuine OEM
Shipping $200 flat-rate LTL freight (lower 48 + DC)

Fitment notes

  • Muffler, mounting hardware and OEM-specific brackets are generally not included unless noted — reuse your existing exhaust and hardware.
  • Match the spec number on your engine tag (CV640-3004) and confirm crankshaft size, mounting, PTO/clutch, fuel and wiring connections. Not sure? Call (646) 666-7225 with your engine model and spec number and we'll confirm.

Frequently asked questions

Is the PA-CV640-3004 a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler CV640-3004 and Rehlko PA-CV640-3004 are the same engine.

How much does shipping cost?

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

What is the crankshaft size?

1" x 3-5/32" (vertical shaft). Always confirm against your original engine before ordering.

Is this a genuine OEM engine?

Yes — brand new, genuine engine with the manufacturer's warranty.

Not the right engine?

Get a repower quote

Old engine discontinued or out of stock? Send us the model/spec from your engine and we'll match a current replacement that bolts in.

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