Kohler PA-CH255-3011 5.5 HP Command Pro Engine, Horizontal 3/4" x 2-5/16" Keyed Shaft, Recoil Start, Cyclonic Air Filter Click to zoom

Kohler CH255-3011 5.5 HP Command PRO Horizontal Engine, 3/4" x 2-5/16" Shaft

MPN CH255-3011

In stockEngines

Specifications

Manufacturer
Kohler (now Rehlko)
Part number (MPN)
CH255-3011
Rehlko spec number
PA-CH255-3011
Series
Command PRO
Gross power
5.5 HP
Displacement
177 cc
Cylinders
single-cylinder, OHV
Crankshaft orientation
Horizontal
Crankshaft
3/4" x 2-5/16"
Fuel system
Carbureted gasoline
Starter
Recoil Start
Oil capacity
20 oz (600 mL)
Muffler
Included
Shipping weight
41 lb
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 Kohler CH255-3011 is a 5.5 HP 177cc Command PRO single-cylinder horizontal-shaft engine with a 3/4" x 2-5/16" crankshaft. It is a basic / marketing-spec engine used widely for repowers across commercial mowers and equipment. Factory spec: CH255 E16 MARKETING BASIC.

Kohler Engines now operates under the name Rehlko. This is the same genuine Kohler CH255-3011 engine (Rehlko spec PA-CH255-3011); new units may carry Rehlko branding.

Why buy the CH255-3011 from RFQQQ

  • Brand new, genuine 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 landscape contractors
  • Real people on the phone at (646) 666-7225 to confirm fitment before you order

Key features

  • 5.5 HP 177cc Command PRO single-cylinder engine
  • Horizontal crankshaft: 3/4" x 2-5/16"
  • Recoil Start
  • Oil capacity 20 oz (600 mL); Rehlko/Kohler 10W-40 synthetic recommended (OCK-RKC-10440)
  • Commercial-duty Command PRO design with cast-iron cylinder liners

Specifications

Manufacturer Kohler (now Rehlko)
Part number (MPN) CH255-3011
Rehlko spec number PA-CH255-3011
Series Command PRO
Gross power 5.5 HP
Displacement 177 cc
Cylinders single-cylinder, OHV
Crankshaft orientation Horizontal
Crankshaft 3/4" x 2-5/16"
Fuel system Carbureted gasoline
Starter Recoil Start
Oil capacity 20 oz (600 mL)
Muffler Included
Shipping weight 41 lb
Condition New, genuine OEM
Shipping $200 flat-rate LTL freight (lower 48 + DC)

Fitment and replacement notes

  • Muffler, mounting hardware and OEM-specific brackets are generally not included unless noted — reuse your existing exhaust and hardware.
  • Before ordering, match crankshaft diameter and length, mounting pattern, PTO/clutch, fuel and wiring connections to your current engine tag. Not sure? Call (646) 666-7225 with your engine model and spec number and we'll confirm.

Frequently asked questions

Is the CH255-3011 a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler CH255-3011 and Rehlko PA-CH255-3011 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 — we call you with the fastest options.

What is the crankshaft size?

3/4" x 2-5/16" (horizontal shaft). Always confirm against your original engine before ordering.

Is this a genuine OEM engine?

Yes — brand new, genuine Kohler 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.

Request a repower quote

Free · No obligation · Quoted within 1–2 business days