Description
Kohler CH680 3001 Horizontal Engine – Professional Overview
The Kohler CH680 3001 Horizontal Engine is a Command PRO series power unit built around a 674cc V-Twin OHV air-cooled gasoline engine. Its horizontal crankshaft configuration makes it suitable for equipment designed around a horizontal engine layout.
The CH680-3001 is equipped with an electric starter and a 1.125-inch diameter crankshaft measuring 4 inches in length. These dimensions are important when determining whether the engine can integrate correctly with existing equipment and driveline components.
Kohler CH680 series engines were previously rated at 23 HP, but the current rating for this engine series is 22.5 HP. Buyers should use the current specification when evaluating this engine rather than relying on older 23 HP references.
The engine replaces PA-76601, providing a replacement option for equipment applications that specify the corresponding engine model and configuration.
As a Command PRO series engine, the CH680-3001 is designed for applications where dependable power delivery, serviceability, and compatibility with commercial equipment are important considerations.
Compatibility, Applications, and Technical Context
The most important consideration when selecting a horizontal replacement engine is matching the engine configuration to the equipment.
The Kohler CH680-3001 uses a horizontal crankshaft orientation, a 1.125-inch crankshaft diameter, and a 4-inch crankshaft length. These specifications should be compared with the original engine and equipment requirements before installation.
The engine uses a 674cc displacement and two-cylinder V-Twin configuration. Its OHV design and air-cooled construction provide the fundamental architecture expected from this Command PRO series power unit.
The crankshaft dimensions are particularly important for applications where the engine connects directly to a pulley, clutch, gearbox, pump, or other driven equipment. The supplied specifications identify a 1.125-inch crankshaft diameter, 4-inch crankshaft length, 7/16–20 crankshaft end tapped size, and 0.25-inch keyway width.
The CH680-3001 also uses a 5-5/8-inch and 7-3/4-inch bolt-circle configuration, which should be checked against the mounting requirements of the equipment.
Because engine installations vary, buyers should confirm the complete engine specification and physical dimensions rather than selecting a replacement based only on displacement or horsepower.
Construction, Features, and Performance
The CH680-3001 combines a V-Twin cylinder configuration, overhead-valve design, and air cooling in a compact horizontal-engine package.
Its 674cc displacement provides the engine capacity required for applications designed around the CH680 platform. The engine uses gasoline as its fuel source and incorporates an electronic ignition system.
Air management is handled through a large-capacity dual-element air cleaner. This configuration provides the filtration arrangement specified for the engine and is an important part of the overall intake system.
The engine also incorporates a fuel pump and Smart-Choke carburetor. The choke can be controlled manually or remotely, providing flexibility for different equipment installations.
An electric starter simplifies engine starting compared with recoil-only configurations. This makes the CH680-3001 particularly relevant for equipment where electric starting is part of the original configuration.
The engine is air-cooled and does not include an oil cooler according to the supplied specifications. It also does not include a low-oil alert or low-oil shutdown system.
Why the CH680-3001 Is a Practical Replacement
Selecting the right replacement engine requires attention to more than the engine’s displacement. Crankshaft dimensions, orientation, mounting configuration, starting system, fuel system, and control arrangement can all affect compatibility.
The Kohler CH680 3001 Horizontal Engine provides a clearly defined configuration for buyers looking for a 674cc horizontal V-Twin engine.
Its 1.125-inch x 4-inch crankshaft provides a specific dimensional reference for equipment compatibility. The electric starter, fuel pump, dual-element air cleaner, electronic ignition, and Smart-Choke carburetor further define the engine’s configuration.
The replacement reference PA-76601 provides another useful identification point for buyers replacing an existing engine.
The 3-year consumer and commercial warranty also provides coverage information for customers purchasing the engine for either commercial or consumer equipment applications.
Who This Engine Is Best For
The Kohler CH680-3001 is best suited to buyers who need a compatible horizontal-shaft gasoline engine for equipment designed around this specific engine configuration.
It can be appropriate for:
- Equipment owners replacing a compatible Kohler CH680 engine.
- Commercial operators requiring a horizontal V-Twin power source.
- Equipment manufacturers and service professionals.
- Repair shops sourcing a replacement Kohler engine.
- Buyers replacing an engine identified by PA-76601.
- Applications requiring a 674cc horizontal engine with electric start.
Before purchasing, the engine’s crankshaft dimensions, mounting configuration, starting system, control requirements, and other specifications should be compared with the equipment being serviced.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Kohler |
| Model Number | CH680-3001 |
| Series | Command PRO |
| Engine Type | V-Twin OHV |
| Displacement | 674cc |
| Current Rated Power | 22.5 HP |
| Previous Series Rating | 23 HP |
| Cylinder Configuration | 2-Cylinder V-Twin |
| Cooling System | Air-Cooled |
| Fuel Type | Gasoline |
| Starter Type | Electric |
| Crankshaft Orientation | Horizontal |
| Crankshaft Diameter | 1.125 in. |
| Crankshaft Length | 4 in. |
| Crankshaft Dimensions | 1.125 in. x 4 in. |
| Crankshaft End Tapped Size | 7/16–20 |
| Crankshaft Keyway Width | 0.25 in. |
| Air Cleaner | Large Capacity Dual Element |
| Fuel Pump | Yes |
| Oil Cooler | No |
| Oil Capacity | 60 |
| Low Oil Alert | No |
| Low Oil Shutdown | No |
| Ignition System | Electronic |
| Carburetor | Smart-Choke |
| Choke Control | Manual and Remote |
| Bolt Circle | 5-5/8 in.; 7-3/4 in. |
| Replacement Reference | PA-76601 |
| Warranty | 3-Year Consumer & Commercial |
| Shipping Weight | 115 lb |
Ordering, Fitment, and Support
Before ordering the Kohler CH680 3001 Horizontal Engine, buyers should compare the engine’s specifications with their existing equipment.
The most important compatibility points include the horizontal crankshaft orientation, 1.125-inch crankshaft diameter, 4-inch crankshaft length, crankshaft end thread, keyway width, bolt-circle dimensions, starter configuration, and control arrangement.
The replacement reference PA-76601 can also be used as an identification point when replacing an existing compatible engine.
It is important not to assume compatibility solely because both engines have the same displacement. Mounting dimensions, crankshaft specifications, controls, and driven-equipment requirements should all be confirmed before purchase.
For buyers comparing replacement power units, the CH680-3001 can also be considered alongside other Kohler horizontal engines, Command PRO engines, and compatible replacement engine categories.
The supplied product information states that the engine carries a 3-year consumer and commercial warranty. Warranty terms should be reviewed before purchase to understand applicable coverage.
Frequently Asked Questions
What is the Kohler CH680-3001?
The Kohler CH680-3001 is a 674cc V-Twin OHV horizontal gasoline engine from the Kohler Command PRO series. It features an electric starter, air cooling, electronic ignition, a Smart-Choke carburetor, and a 1.125-inch x 4-inch crankshaft. It is designed for equipment requiring the corresponding horizontal engine configuration.
How much horsepower does the CH680-3001 produce?
The current specification for the Kohler CH680-3001 is 22.5 HP. The supplied product information notes that CH680 series engines were previously rated at 23 HP but are now rated at 22.5 HP. Buyers should use the current 22.5 HP rating when comparing specifications.
What are the crankshaft dimensions?
The CH680-3001 has a 1.125-inch diameter crankshaft with a 4-inch length. It also has a 7/16–20 crankshaft end tapped size and a 0.25-inch keyway width. These measurements are important when confirming compatibility with the equipment’s pulley, clutch, pump, or other driven components.
Does the Kohler CH680-3001 have an electric starter?
Yes. The CH680-3001 uses an electric starter, making it suitable for equipment designed for electric starting. Buyers should still verify that the equipment’s electrical and control systems are compatible with the replacement engine before installation.
What type of fuel system does this engine use?
The engine operates on gasoline and includes a fuel pump and Smart-Choke carburetor. The choke control can be configured for manual and remote operation according to the supplied specifications.
Does the CH680-3001 have an oil cooler?
No. The supplied specifications identify the oil cooler as not included. The engine uses an air-cooled design and has a large-capacity dual-element air cleaner.
What warranty comes with the Kohler CH680-3001?
The supplied product information lists a 3-year consumer and commercial warranty. This provides coverage for both consumer and commercial applications, subject to the applicable warranty terms and conditions.
