Walker Replacement Engine — Kohler CH730-0120 23.5 HP Command PRO Horizontal Engine Click to zoom

Kohler CH730-0120 23.5 HP Command PRO Horizontal Engine (for Walker Mowers)

MPN CH730-0120

In stockEngines

Specifications

Manufacturer
Kohler (now Rehlko)
Part number (MPN)
CH730-0120
Rehlko spec number
PA-CH730-0120
Series
Command PRO
Gross power
23.5 HP
Displacement
725 cc
Cylinders
V-twin, OHV
Crankshaft orientation
Horizontal
Fuel system
Carbureted gasoline
Starter
Electric Start
Charging
15 Amp
Oil capacity
2.0 qt (1.9 L)
Muffler
Not Included
Shipping weight
151 lb
OEM application
Walker Mowers
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 CH730-0120 is a 23.5 HP 725cc Command PRO V-twin horizontal-shaft engine with 15 amp charging. This spec is built for Walker Mowers equipment and is the factory service-replacement engine for those machines. Factory spec: CH730 E16 WALKER - REPLACEMENT.

Kohler Engines now operates under the name Rehlko. This is the same genuine Kohler CH730-0120 engine (Rehlko spec PA-CH730-0120); new units may carry Rehlko branding.

Why buy the CH730-0120 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

  • 23.5 HP 725cc Command PRO V-twin engine
  • Electric Start, 15 Amp charging
  • Oil capacity 2.0 qt (1.9 L); 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) CH730-0120
Rehlko spec number PA-CH730-0120
Series Command PRO
Gross power 23.5 HP
Displacement 725 cc
Cylinders V-twin, OHV
Crankshaft orientation Horizontal
Fuel system Carbureted gasoline
Starter Electric Start
Charging 15 Amp
Oil capacity 2.0 qt (1.9 L)
Muffler Not Included
Shipping weight 151 lb
OEM application Walker Mowers
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 CH730-0120 a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler CH730-0120 and Rehlko PA-CH730-0120 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.

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