Find genuine OEM parts for your Bush Hog 166 Rotary Cutter at German-Bliss Equipment. Browse detailed parts diagrams, assemblies, and original replacement components to keep your 166 Rotary Cutter running at peak performance. What you'll find on this page: - Bush Hog 166 Rotary Cutter OEM parts diagrams and assembly breakdowns - Genuine original replacement components - Easy part number identification and ordering Why buy OEM parts for your Bush Hog 166 Rotary Cutter: - Genuine OEM parts — designed for exact fit and reliable performance - Detailed diagrams help you find the right part quickly - Fast shipping from German-Bliss Equipment Shop OEM Bush Hog 166 Rotary Cutter Parts here.
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Bush Hog 166 Rotary Cutter FAQs, Specs, Maintenance & Installation Tips

Get essential owner tips for the Bush Hog 166 Rotary Cutter, including maintenance intervals, lubrication details, and setup guidance. This page covers routine checks and operation information for the rotary cutter’s optimal performance.

Best for: Pasture maintenance, roadside mowing, light brush clearing
Common jobs: Mowing fields, cutting brush, tractor PTO implement
Focus: Routine maintenance, OEM parts, troubleshooting

166 Rotary Cutter Fluid Specifications & Capacities

Fluid Specification Capacity (qt) Capacity (gal)
Gearbox Oil SAE 90 EP gear oil Not specified Not specified

166 Rotary Cutter Complete Maintenance Schedule

Service Item Action Interval Part Number Notes
Gearbox Oil Level Check oil level at gearbox; maintain at proper level Every 8 hr
Blade Holder Nut Torque Check blade holder nut torque Every 8 hr
Driveline U-joints Apply grease to all driveline U-joints Every 8 hr No. 2 lithium grease
Driveline Guard Bearings Apply grease to all driveline guard bearings Every 8 hr No. 2 lithium grease
Tailwheel Hub Apply grease to tailwheel hub Every 8 hr No. 2 lithium grease
Blade Spindle Bearings Apply grease to blade spindle bearings Every 8 hr No. 2 lithium grease
Gearbox Oil Change gearbox oil after first 100 hr, then every 250 hr 100 hr (first); 250 hr (subsequent) SAE 90 EP gear oil

166 Rotary Cutter Operating Specifications

Specification Value
Working Width 6 ft
Blades 2
PTO Requirement 540 rpm
Tractor Power Requirement 40-80 HP
Blade Torque Spec 450-500 ft-lbs

166 Rotary Cutter Operating Warnings

System Indicator Required Action
Blade Contact Bystander proximity Keep bystanders at least 300 feet away during operation

166 Rotary Cutter Seasonal Storage

  • Clean all debris from unit
  • Lubricate all grease fittings
  • Touch up paint on bare metal to prevent rust
  • Store in dry location
01

How often should I check the gearbox oil on the Bush Hog 166 Rotary Cutter?

Answer: Check the gearbox oil every 8 hours of operation.

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02

What type of oil should be used in the gearbox?

Answer: Use SAE 90 EP gear oil in the gearbox.

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03

How frequently should I grease the blade spindle bearings?

Answer: Grease the blade spindle bearings every 8 hours of operation.

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04

What type of grease should be used for lubrication points?

Answer: Use No. 2 lithium base grease for all lubrication points.

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05

How do I store the Bush Hog 166 Rotary Cutter for the off-season?

Answer: Clean all debris from the unit, lubricate all grease fittings, touch up paint on bare metal to prevent rust, and store in a dry location.

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06

What safety precautions should be followed when operating the Bush Hog 166 Rotary Cutter?

Answer: Keep bystanders at least 300 feet away during operation and always follow all safety instructions in the operator’s manual.

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07

What is the recommended procedure for cleaning the Bush Hog 166 Rotary Cutter after use?

Answer: Clean all debris from the unit and lubricate all grease fittings.

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08

Are there any electrical components on the Bush Hog 166 Rotary Cutter?

Answer: No, there are no electrical components on this implement.

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09

Where can I find replacement parts for the Bush Hog 166 Rotary Cutter?

Answer: Replacement parts can be obtained from your authorized Bush Hog dealer.

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