Features
Discharge Chute Rotation Comes as Base Equipment

As base equipment on SB21 Series Loader-Mounted Snowblowers, the discharge chute rotation is controlled with an electrically controlled hydraulic motor. The chute rotation is powered by the hydraulic power pack and controlled with a rocker switch installed in the tractor operator station.
Discharge Chute Deflection

Manual adjustment of the chute angle on the spout is standard equipment on the SB21 Series Loader-Mounted Snowblowers. An optional electrically controlled hydraulic cylinder is available to adjust the deflector angle. The chute rotation and optional chute angle adjustment are powered by the hydraulic power pack and controlled with rocker switches installed in the tractor operator station.
Torque-Controlled Impeller Moves Excess Snow Easily

Frontier™ SB21 Series Loader-Mounted Snowblowers monitor the torque applied to the impeller, which is an industry-exclusive feature. The speed of the auger slows down when maximum torque is sensed, alerting the operator to slow ground speed. This allows the impeller to move away excess snow.
Drift Cutters
Tractor Compatibility
| PTO Horsepower | 25-34 hp |
| PTO Horsepower | 18.6-25.4 kW |
| Loader (Current John Deere Series) | 300 |
| PTO rpm | 540 rpm |
Construction
| Fan Blade Thickness | 0.25 in. |
| Fan Blade Thickness | 0.64 cm |
| End Plate Thickness | 0.47 cm |
| Fan Housing Thickness | 0.12 in. |
| Fan Housing Thickness | 0.3 cm |
| End Plate Thickness | 0.1875 in. |
| Side Panel Bottom Thickness | 0.5 in. |
| Side Panel Bottom Thickness | 1.27 cm |
| Back Plate Thickness | 0.3 cm |
| Back Plate Thickness | 0.12 in. |
Hydraulics
| Power Pack Reservoir | 15 gal. |
| Power Pack Reservoir | 56.8 L |
| Fan Relief Valve Setting | 207 bar |
| Fan Relief Valve Setting | 3000 psi |
| System Capacity | 68.1 L |
| System Capacity | 18 gpm |
| Oil Cooler | Standard |
| Auger Relief Valve Setting | 2000 psi |
| Auger Relief Valve Setting | 138 bar |
| Flow At 3000 PSI (207 Bar) | 133.6 L/min |
| Flow At 3000 PSI (207 Bar) | 16 gpm |
Dimensions
| Power Pack Width | 38 in. |
| Power Pack Width | 97 cm |
| Snow Blower Machine Height | 60 in. |
| Snow Blower Machine Height | 152 cm |
| Snow Blower Working Width | 163 cm |
| Snow Blower Working Width | 64 in. |
| Power Pack Height | 132 cm |
| Power Pack Height | 52 in. |
Shipping
Chute
| Diameter | 8.25 in. |
| Diameter | 21 cm |
| Deflector Adjustment (Standard) | Manual |
| Deflector Adjustment (Optional) | Hydraulic cylinder |
| Rotation Type | Hydraulic |
| Type | Two-part |
Impeller
| Diameter | 24 in. |
| Diameter | 61 cm |
| Impeller Shaft Diameter | 1.25 in. |
| Impeller Shaft Diameter | 3 cm |
| Width | 18 cm |
| Width | 7 in. |
| Impeller Blades | 4 |
| Impeller Speed | 680 rpm |
Weight
| Snow Blower Operating Weight | 363 kg |
| Snow Blower Operating Weight | 800 lb. |
| Power Pack Shipping Weight | 535 lb. |
| Power Pack Shipping Weight | 243 kg |
| Snow Blower Shipping Weight | 1050 lb. |
| Snow Blower Shipping Weight | 476 kg |
| Power Pack Operating Weight | 243 kg |
| Power Pack Operating Weight | 535 lb. |
Cutting Edge
| Thickness | 0.375 in. |
| Thickness | 1 cm |
| Width | 2 in. |
| Width | 5.1 cm |
| Type | Replaceable, reversible |
Auger
| Diameter | 15 in. |
| Diameter | 38 cm |
| Speed | 200 rpm |
| Flighting Thickness | 1 cm |
| Flighting Thickness | 0.3125 in. |
| Type | Single |
Setup Time
Skid Shoes
| Configuration | Adjustable, six positions |
| Replaceable | Standard |
Warranty
| Time Period (Machine) | 1 year |