Rehlko Command Pro CH730-3225 23.5HP Engine

Electric Start | 1-1/8" Keyed Shaft | Replaces Kohler CH730-0155 & CH730-3213

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The Rehlko Command Pro CH730-3225 23.5HP engine is a commercial-grade V-Twin powerhouse designed for demanding applications that require high torque, durability, and consistent performance.

Formerly part of the Kohler Command Pro lineup, this 725cc 4-stroke OHV V-Twin engine delivers 23.5 horsepower and 39.2 ft-lbs of torque, making it ideal for zero-turn mowers, industrial equipment, log splitters, conveyors, hydraulic systems, and generators. Equipped with a 1-1/8" diameter keyed shaft (1/4" keyway), this engine offers broad compatibility across commercial equipment, making it a reliable replacement for CH730-0155 and CH730-3213 models.

Whether you're upgrading aging equipment or replacing a failed engine, the CH730-3225 provides OEM-level reliability, fuel efficiency, and long-term serviceability.

Key Features & Benefits

• 23.5HP Commercial Output – High-performance engine for continuous-duty workloads
• 725cc V-Twin OHV Design – Strong torque delivery and efficient combustion
• 1-1/8" Keyed Shaft (2.79") – Easy compatibility with a wide range of equipment
• Electric Start (12V Heavy Duty) – Reliable ignition in all conditions
• 39.2 ft-lbs Peak Torque – Excellent for heavy-load applications
• Pressure Lubrication System – Reduces wear and extends engine life
• Integrated Oil Cooler – Helps maintain optimal operating temperature
• Forced Air Cooling – Prevents overheating in extended use
• Heavy-Duty Air Cleaner – Protects engine from debris and contaminants
• 20 AMP Charging System – Powers accessories and maintains battery health
• 4-Bolt Mounting Pattern – Secure and stable installation
• Fully Rebuildable Platform – Long-term maintenance and parts availability
• 3-Year Consumer & Commercial Warranty

Ideal Applications

• The CH730-3225 is commonly used for:
• Zero-turn mowers (commercial landscaping)
• Log splitters and wood processing equipment
• Conveyors and material handling systems
• Hydraulic pumps and industrial machinery
• Generators and power equipment
• Agricultural equipment (tillers, bale systems, feeders)

Cross Reference & Replacement

• Replaces: Kohler CH730-0155, CH730-3213
• Comparable to: Briggs & Stratton 386447
• Designed for equipment requiring:
• 1-1/8" keyed shaft engines
• High torque V-Twin output
• Commercial-duty performance

Why Choose the CH730-3225?

The CH730-3225 is built for users who need more torque, more durability, and broader compatibility than standard small engines. Its higher displacement (725cc) and 39.2 ft-lbs torque output make it especially valuable for hydraulic-driven systems and heavy-load equipment, where consistent power is critical. Combined with advanced cooling, oil management, and filtration systems, this engine minimizes downtime and maximizes long-term ROI.

Frequently Asked Questions

What equipment is the CH730-3225 used for?

This engine is used in zero-turn mowers, log splitters, conveyors, generators, and industrial equipment requiring a 1-1/8" keyed shaft.

What engines does the CH730-3225 replace?

It replaces Kohler CH730-0155 and CH730-3213, and is comparable to Briggs & Stratton 386447.

How much horsepower and torque does this engine produce?

The CH730-3225 produces 23.5 horsepower and 39.2 ft-lbs of peak torque, making it ideal for heavy-duty applications.

What shaft size does this engine have?

It features a 1-1/8" diameter keyed shaft with a 1/4" keyway and 2.79" length, ensuring compatibility with many commercial machines.

Does this engine have an oil cooler?

Yes. The CH730-3225 includes an integrated oil cooler, helping regulate temperature and extend engine life.

Is this engine suitable for commercial use?

Yes. It is a commercial-grade engine with a 3-year commercial warranty, designed for continuous operation.

What fuel should I use?

Use unleaded gasoline with a minimum of 86 octane.

Is the engine rebuildable?

Yes. This engine is fully rebuildable, allowing long-term maintenance and cost savings.

Reach out to us at 1-888-208-2088 today to place your order for the Rehlko CH730-3225 engine and discover the benefits of choosing Carroll Stream Motor Company. Enjoy quick shipping, knowledgeable support, and unmatched reliability as we assist you in powering your equipment with assurance!