Wood Chipper
| Model | CH1M21 | CH3M21 | CH9M21 |
| Tire Size (in.) | 13 x 5 in. | 13 x 5 in. | 13 x 5 in. |
| Max. RPM | 3600 RPM | 3600 RPM | 3600 RPM |
| Horsepower | 15HP | 11 HP | 15 HP |
| Displacement (cc) | 420 cc | 270 cc | 420 cc |
| Low oil shutdown | yes | yes | yes |
| Material Type | Solid Heavy Gauge Steel | Solid Heavy Gauge Steel | Solid Heavy Gauge Steel |
| Walk or Pull | either | either | either |
| Chipper | Yes | Yes | Yes |
| Shredder | Yes | Yes | Yes |
| Max. Cutting Thickness Diameter (in.) | 3 x 4 in. | 3 in. | 5" x 3.5" |
| Accessories Included (Yes/No) | Yes | Yes | Yes |
| Product Dimensions | 36*32*52 | 36*32*52 | 36*32*52 |
| Product Weight (lbs) | 270 lbs. | 245 lbs | 255 lbs |
| Bag Capacity (In Bushels) | 12 Bushels | 12 Bushels | 12 Bushels |
| Base Warranty | 1 year limited | 1 year limited | 1 year limited |
| Engine Warranty | 24 Months Limited | 12 Months Limited | 12 Months Limited |
| Other Components Warranty | 24 Months Limited | 12 Months Limited | 12 Months Limited |
| Chipper Capacity (in) | 4 in. | 3 in. | 3 in. |
| Color / Finish | Black | Grey / Orange | Black / Yellow |
| Commercial (Yes/No) | Yes | Yes | Yes |
| 40ft High-Cube Container quantity | 78 | 78 | 78 |
| Country of Origin | China | China | China |
| Engine Torque (ft-lbs) | 20.7 ft-lbs | 11.8 ft-lbs | 20.7 ft-lbs |
| Engine Type (number of valves) | OHV | OHV | OHV |
| EPA Certified | Yes | Yes | Yes |
| Feed Capacity | 3 x 4 in | 3 x 3 in. | 3 .5 x 5 in. |
| Fuel Tank Capacity (gal) | 1.58 gal (1.4) | 1.37 gal (1.4) | 1.58 gal (1.4) |
| Fuel Type | Gasoline | Gasoline | Gasoline |
| Hazardous Material | No | No | No |
| Housing Material | Steel | Steel | Steel |
| Instructions / Assembly Required | Yes | Yes | Yes |
| Limb Chute | Yes | Yes | Yes |
| Low Oil Shut Down | Yes | Yes | Yes |
| Manual Available | Yes | Yes | Yes |
| Master Pack QTY | 1 | 1 | 1 |
| Number of blades | 1 | 1 | 1 |
| Number of hammers | 16 | 16 | 16 |
| Oil Included | 1.1 quarts | No | No |
| Power Type | Gasoline | Gasoline | Gasoline |
| Recommended Oil | 10W-30 oil (5W-30 is recommended for cold weather climate) | 10W-30 oil (5W-30 is recommended for cold weather climate) | 10W-30 oil (5W-30 is recommended for cold weather climate) |
| Self Feeding | Yes | Yes | Yes |
| Shredded Screen Material | 1/4 in. | 1/4/ in. | 1/4/ in. |
| Start Type | Manual/Recoil | Manual/Recoil | 120V Electric Start / Recoil |
| Tow Bar | Yes | Yes | Yes |
| Translucent Fuel Tank | No | No | No |
| Package Dimensions | 29.5* 34* 44.5 | 29.5*34.5*44.5 | 29.5*34.5*44.5 |
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