Skip to content
TOUGH JOBS DONE RIGHT: Serious Tools Up to 50% Off. Shop the Deals >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

Kohler Command Pro Horizontal Simplicity Replacement Engine with Electric Start - 674cc, 1.125in. x 2.79in. Shaft, Model# PA-CH640-3126

Item# 44601
"Kohler Command Pro Horizontal Simplicity Replacement Engine with Electric Start - 674cc, 1.125in. x 2.79in. Shaft, Model# PA-CH640-3126"
Kohler Command Pro Horizontal Simplicity Replacement Engine with Electric Start - 674cc, 1.125in. x 2.79in. Shaft, Model# PA-CH640-3126

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Kohler Command Pro Horizontal Simplicity Replacement Engine with Electric Start - 674cc, 1.125in. x 2.79in. Shaft, Model# PA-CH640-3126

Click or Tap image to Zoom

$2299.99

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • Excellent performance with high-performance spark plugs, 20 amp charging system, a large spin-on fuel filter and OHV design
  • Reliable, long-life design with hardened crankshaft journals; a high-efficiency fan and screen; large dual-element air filter with foam pre-cleaner; cast iron cylinder liners; hydraulic valve lifters; full-pressure lubrication and a spin-on, full-flow oil filter
  • Smooth operation thanks to an engineered material blower housing and a mechanical fuel pump
  • Easy, dependable starts thanks to the Smart Choke™ carburetor, the electronic ignition system and a solenoid shift starter
  • User-friendly maintenance with extended maintenance intervals, a yellow oil fill cap and dipstick handle, dual oil drains, an easy access oil-fill and dipstick

See full description

Complete Your Solution

  • Kohler Command Pro Horizontal Simplicity Replacement Engine with Electric Start - 674cc, 1.125in. x 2.79in. Shaft, Model# PA-CH640-3126
  • Honda Power Equipment 10W-30 Motor Oil, 1-Qt. Bottle
  • GDI, HOUR METER W/TACHOMETER, Model# N111-0100-1005
Price for all three:

$2350.97

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

Get relentless power and legendary performance from this Kohler Command Pro Horizontal Simplicity Replacement Engine with Electric Start. This engine has an overhead valve design for greater efficiency, improved power and reduced oil consumption. A variable-speed mechanical governor promises smooth performance. Its durable long life design incorporates oil-pressurized hydraulic valve lifters for a virtually maintenance-free valve train and full-pressure lubrication that continuously coats critical components, even at a 25° angle of operation. The large capacity spin-on oil filter provides extra protection against dirt particles. Not for sale in CA.

What's Included

    (1) Engine, Model# PA-CH640-3126

Downloads

Product Manual Product Manual2

Features + Benefits

  • Excellent performance with high-performance spark plugs, 20 amp charging system, a large spin-on fuel filter and OHV design
  • Reliable, long-life design with hardened crankshaft journals; a high-efficiency fan and screen; large dual-element air filter with foam pre-cleaner; cast iron cylinder liners; hydraulic valve lifters; full-pressure lubrication and a spin-on, full-flow oil filter
  • Smooth operation thanks to an engineered material blower housing and a mechanical fuel pump
  • Easy, dependable starts thanks to the Smart Choke™ carburetor, the electronic ignition system and a solenoid shift starter
  • User-friendly maintenance with extended maintenance intervals, a yellow oil fill cap and dipstick handle, dual oil drains, an easy access oil-fill and dipstick

Key Specs

AttributeSpecification

item#

44601

Brand

Kohler

Manufacturer's Warranty

3 year limited warranty

Ship Weight

106.0 LB

Engine Displacement

627 cc

Engine Type

Command Pro OHV

Shaft Diameter

1-1/8 in

Shaft Length

2.79 in

Start Type

Electric

Shaft Keyway

0.25 in

Crankshaft

Hardened

PTO Height

6.125 in

Cylinders (qty.)

2

Cylinder Bore

Cast Iron

Compression Ratio

8.5:1

Oil Capacity

2 qt

Low Oil Shutdown

Yes
AttributeSpecification

Low Oil Alert

Yes

Shaft Rotation (From PTO Shaft Side)

Counter Clockwise

Governor System

Variable Speed

Ignition System

Electronic

Carburetor

Smart Choke

Lubrication System

Full Pressure

Bearing Type

Parent Material

Auto Compression Release

No

Cooling System

Air

Bore

3 in

Stroke

2.6 in

Air Cleaner Type

Dual Element

Choke Control

Remote

Throttle Control

Remote

Fuel Filter

Yes

Charging System Amps

15

Muffler Included

No

Reviews

Questions & Answers

5 Reviews This action will navigate to reviews.

Questions

1–3 of 3 Questions  
Sort by:

  1. Is this engine Made In USA or Imported?

    1 answer

    1. This engine is manufactured in the United States.

      Helpful?

  2. In the features section it lists this engine to have a 20 amp charging system, but in the specifications section it's 15 amps. Which one is it?

    1 answer

    1. The charging amps would be 15 amps.

      Helpful?

  3. What's the horsepower rating? I must be missing something!

    1 answer

    1. This Kohler engine is rated at 20.5 HP

      Helpful?

Accessories We Recommend

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

See All Motor Oil + Transmission Fluids
Honda Power Equipment 10W-30 Motor Oil, 1-Qt. Bottle
4.9 out of 5 stars. 172 reviews

Honda Power Equipment 10W-30 Motor Oil, 1-Qt. Bottle

Item # 1707002

$12.99
See All Hour Meters + Gauges
GDI, HOUR METER W/TACHOMETER, Model# N111-0100-1005
4.2 out of 5 stars. 35 reviews

GDI, HOUR METER W/TACHOMETER, Model# N111-0100-1005

Item # 160595

$37.99

Warranty

Manufacturer's Warranty

3 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Repair Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.