Benefits
- Reliability and high performance.
- Requires low maintenance.
- Quick and easy conversion from feeding to filling.
- Can work with any existing tripod system, making replacement of your existing unloader easy and economical.
- Proven gearbox is filled with synthetic gear lube for optimum protection at any temperature.
- High-capacity blower with cast iron swinging paddles
- Low profile collector ring with heavy-duty cast-iron housings
- Self-cleaning auger grid
- 7” (17.8 cm) lead auger and 8” (20.3 cm) diameter trailing auger
- Full length mounting bar for weights
- Wall wheels are Individually adjustable, mounted on 3/4’’ (1.9 cm) stainless steel axles
- Wall-to-wall arm for Pow’r-Ring to fit an existing hexapod suspension Optional
Heavy-duty impeller
- Massive ductile iron paddles in the 27” (68.6 cm) diameter impeller to provide unmatched momentum and raw blowing power.
- Open-bottom design with reinforced V-entry edge for added durability.
- Upper wrapper in 10-gauge stainless steel.
- Impeller disk features big 1 1/4” (2.5 cm) shaft.
Chipper wheels
- Two counter-rotating assemblies shave walls clean.
- Self-sharpening cupped blades are reversible and replaceable.
- Heavy duty ductile iron hub on 1- 3/8” (3.5 cm) shaft is durable.
- Split hub for easy service.
Increased collector ring reliability
- Machined copper rings, 5/8" (1.6 cm) wide by 1/8" (0.3 cm) thick, laid horizontally for a shorter collector ring height.
- Six metal graphite brushes provide long wear and trouble-free electrical connections.
- Ring and brush holders feature wide arc prevention spacing.
- Felt discharge seal to protect electrical components.
Features
Sharpened & case-hardened knives
The flighting is pre-punched along the entire auger length. Carriage head bolts make knife changing faster and easier.
Discharge chute
Stainless Steel Chute Adapter | Stainless Steel lower chute and Galvanized Steel upper chute extension | Multi-Radius design for accuracy and better out-the-door power.
Heavy-duty hoist
Built for big loads. The large diameter gear drive runs in a fully enclosed oilbath cast iron housing. The 3-1/4” diameter spool has lots of capacity for those really tall silos.
Dual speed kit
It can be added to the hoist for motorized operation. The belt and chain 2-stage reduction allows a 1/2 HP motor to raise the heaviest unloaders. Use the low-speed setting for unloading and the high speed setting to raise the unloader at filling time.
| Magnum Surface Drive | Pow'r Ring* | |
| Sizes |
12' (3.6 m), 14' (4.3 m), 16' (4.9 m), 18' (5.5 m), 20' (6.1 m), 22' (6.7 m), 24' (7.3 m), 26' (7.9 m) or 30' (9.1 m) |
14' (4.3 m), 16' (4.9 m), 18' (5.5 m) , 20' (6.1 m) or 24' (7.3 m) |
| Augers |
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| Auger tubes |
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| Suspension | Single-cable tripod | Single-cable tripod or three-cable tripod or hexapod (requires extended arm option) |
| Special features |
Cast iron drive wheels:
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Full size drive ring:
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* The Pow'r Ring model is only available in the United States.
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