The Sears chipper shredder is a purpose-built outdoor power tool designed to handle yard waste such as branches, leaves, and twigs. Homeowners often choose this model for its durability and ability to reduce clearing time while maintaining consistent performance.
This system combines a robust motor with hardened steel blades and a high-capacity collection bin, making it suitable for both small cleanup jobs and heavy seasonal tasks. The following sections detail its performance, features, maintenance needs, and real-world usability.
| Model | Motor Power | Chipping Capacity | Collection Bag Capacity | Weight |
|---|---|---|---|---|
| Sears 20673 15-Amp | 15 Amp | 1-3/8 inches | 32 gallon | 55 lb |
| Sears 20674 13-Amp | 13 Amp | 1-1/4 inches | 26 gallon | 48 lb |
| Sears Cordless 20V | 12 Amp Equivalent1 inch | 18 gallon | 38 lb | |
| Sears 20672 10-Amp | 10 Amp | 3/4 inch | 20 gallon | 42 lb |
How the Chipper Mechanism Works
Internal Blade Design and Safety Features
High-carbon steel blades slice material as it contacts the chipper drum, while internal rollers help control feed speed. A safety clutch prevents binding, reducing the risk of jams and motor strain during tough jobs.
Shredding Performance on Different Materials
Branches, Leaves, and Yard Waste
Leaf shredding is handled by narrow grinding plates that create a fine mulch suitable for lawn clippings. Branches up to the specified size are reduced quickly, allowing efficient volume reduction for garden beds and compost piles.
Portability, Setup, and Storage
Wheels, Handle, and Power Options
Sturdy wheels and a rear handle let one person move the unit across the yard, while onboard cord storage reduces trip hazards. Select models offer battery-powered operation for areas without accessible outlets.
Maintenance, Durability, and Long-Term Value
Routine Care and Replacement Parts Availability
Regular lubrication of the gearbox and inspection of belts help extend service life. Common parts such as blades, bearings, and collector bags remain widely available, supporting long-term ownership.
Key Takeaways for Yard Maintenance Efficiency
- Use only branches and twigs within the specified chipping capacity to protect the motor.
- Empty the collection bag frequently to maintain strong airflow and prevent clogs.
- Perform routine lubrication and bolt checks as outlined in the owner manual.
- Store the unit in a dry location and cover it to reduce exposure to moisture and debris.
FAQ
Reader questions
Can this chipper shredder handle wet or frozen branches?
It is best to avoid shredding wet or frozen material, as this can increase clogging and stress the motor. Letting material dry or thaw reduces jams and maintains consistent performance.
What is the recommended method to unclog the discharge chute?
Turn the unit off and unplug it, then use the provided wrench to rotate the jam-clearing collar. Once cleared, restart slowly and feed material gradually to prevent repeat blockages.
How do I adjust the chip size for different types of yard waste?
Refer to the knob or lever on the collection bin area; tightening produces smaller chips while loosening allows slightly larger fragments suited for mulching or compost piles.
Is a reversible or replaceable blade system included?
Many Sears units feature reversible blades that extend usable life, and replacement blades are sold separately to keep downtime low when wear occurs.