The Kohler CH640 3203 is a 635cc, V-twin, air-cooled, 4-stroke, horizontal-shaft engine that produces 20 horsepower. It is designed to replace the PA CH640 3005 engine and is commonly used in commercial lawn mowers, garden tractors, and other outdoor power equipment. Known for its reliability, smooth operation, and fuel efficiency, the CH640 3203 provides consistent power for heavy-duty applications, making it ideal for professional-grade machinery.
| BRAND | Kohler |
|---|---|
| MODEL NUMBER | CH640-3005 |
| WARRANTY | 3 Year Consumer & Commercial |
| SHIPPING WEIGHT | 107 |
| DISPLACEMENT | 674cc |
| STARTER TYPE | Electric |
| CRANKSHAFT ORIENTATION | Horizontal |
| CRANKSHAFT TYPE | Straight |
| FUEL SYSTEM | Gasoline |
| GEAR REDUCTION | No |
| CRANKSHAFT DIMENSIONS | 1-1/8″ x 4″ |
| CRANKSHAFT DIAMETER | 1-1/8″ |
| CRANKSHAFT LENGTH | 4″ |
| CRANKSHAFT END TAPPED SIZE | 7/16 – 20 |
| CRANKSHAFT KEYWAY WIDTH | 1/4″ |
| CRANKSHAFT ROTATION DIRECTION (FROM PTO SIDE) | Counterclockwise |
| CYLINDERS | 2 |
| CYLINDER BORE TYPE | Cast Iron |
| AIR CLEANER TYPE | Large Capacity Dual Element |
| FUEL PUMP | Yes |
| OIL COOLER | No |
| OIL CAPACITY | 64 |
| LOW OIL ALERT | Yes |
| LOW OIL SHUTDOWN | Yes |
| IGNITION SYSTEM | Electronic |
| CARBURETOR TYPE | Smart-Choke |
| CHOKE CONTROL | Manual and Remote |
| MAX RPM | 3750 |
| BOLT CIRCLE | 5-5/8; 7-3/4 |
| NOTES | Engine Notes: |
| PTO HEIGHT | 6 – 1/8 |
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