Repairing or maintaining your Woods 121Q-2 SN 10,001 & Up Multi-Spindle Cutter requires accurate parts information. This page provides detailed exploded diagrams for each assembly of the 121Q-2, including wheel and tire assemblies, spindle gearbox, slip clutch, and other key components. You will find OEM part numbers and fitment details to ensure you select the correct parts for your cutter by serial number. Common wear parts include blades, spindles, shear bolts, gearbox seals, and drive components essential to keep your cutter running smoothly. Assemblies such as the tongue, tailwheel yoke, parking jack, and optional hydraulic cylinders are also covered. Safety and instructional decals are listed to maintain compliance and safety. Parts ship from Illinois, and in-stock items typically ship within one business day. Parts specialists are available to assist you with part number confirmation by phone. Ready to order? Shop OEM Woods 121Q-2 Parts here.
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Woods 121Q-2 SN 10001 & Up Multi-Spindle Cutter FAQs, Specs, Maintenance & Installation Tips

Get answers to common questions and important maintenance information for your Woods 121Q-2 multi-spindle cutter. Learn about oil types, lubrication points, recommended operating practices, and essential safety instructions to keep your cutter running at peak performance.

Best for: Heavy-duty pasture mowing, brush and field clearing
Common jobs: Mowing, shredding, heavy brush cutting, field maintenance
Focus: Routine maintenance, OEM parts, troubleshooting

121Q-2 SN 10001 & Up Fluid Specifications & Capacities

Fluid Specification Capacity (qt) Capacity (gal)
Gearbox Oil SAE 80W-90 gear oil -- --

121Q-2 SN 10001 & Up Complete Maintenance Schedule

Service Item Action Interval Part Number Notes
Gearbox Oil Level Check oil level in all gearboxes; add oil as needed Every 8 hr
Blade Spindle Bearings Apply grease until fresh grease appears at seal Every 8 hr No. 2 lithium grease; 2 fittings
Driveline U-joints and Guard Bearings Grease all U-joints and guard bearings Every 8 hr No. 2 lithium grease; 4 U-joint fittings, 2 guard fittings
Blades Check for sharpness, damage, and secure mounting Every 8 hr Check part 31385, torque 450-500 ft-lbs
Bolts and Fasteners Check all hardware for tightness Every 8 hr
Slip Clutch Check for proper operation and adjust as needed Every 8 hr
Gearbox Oil Change oil in all gearboxes after first 50 hr, then every 250 hr 250 hr Use SAE 80W-90 gear oil

121Q-2 SN 10001 & Up Operating Specifications

Specification Value
Working Width 10 ft
Number of Blades 2
PTO Speed 540 rpm
Tractor Requirement 35–90 HP

121Q-2 SN 10001 & Up Operating Warnings

System Indicator Required Action
Blade Contact Bystanders present Keep bystanders at least 300 feet away during operation

121Q-2 SN 10001 & Up Seasonal Storage Procedure

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

What is the recommended PTO speed for the Woods 121Q-2 Multi-Spindle Cutter?

Answer: The recommended PTO speed is 540 RPM.

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02

What is the minimum tractor horsepower required to operate the Woods 121Q-2?

Answer: The minimum tractor horsepower required is 35 HP.

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03

What is the cutting width of the Woods 121Q-2 Multi-Spindle Cutter?

Answer: The cutting width is 10 feet.

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04

What is the recommended cutting height range for this cutter?

Answer: The recommended cutting height range is 2 to 12 inches.

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05

How often should I check the gearbox oil level?

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

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06

What type of oil should be used in the gearbox?

Answer: Use SAE 80W-90 gear oil in the gearbox.

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07

How frequently should the gearbox oil be changed?

Answer: Change the gearbox oil after the first 50 hours, then every 250 hours of operation.

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08

How often should I grease the blade spindle bearings?

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

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09

What type of grease is recommended for lubrication points?

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

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10

What category of three-point hitch is required for attachment?

Answer: The cutter is compatible with Category II three-point hitches.

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11

What is the maximum diameter of material that can be cut?

Answer: The maximum cutting capacity is 1.5 inches in diameter.

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12

How many blades does the Woods 121Q-2 have?

Answer: The cutter is equipped with 4 blades.

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13

What should I do if the blades become dull or damaged?

Answer: Replace or sharpen the blades as needed.

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14

How do I adjust the cutting height?

Answer: Adjust the cutting height by repositioning the rear wheel and adjusting the tractor’s three-point hitch.

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15

What is the recommended procedure for seasonal storage?

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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16

What should I do if the cutter vibrates excessively during operation?

Answer: Stop the machine and inspect for loose, damaged, or unbalanced blades. Repair or replace as necessary.

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17

What safety precautions should be taken during operation?

Answer: Keep bystanders at least 300 feet away during operation and always operate with all shields in place.

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18

How do I transport the cutter safely?

Answer: Raise the cutter to transport position, lock the transport locks, and use appropriate warning lights and slow-moving vehicle emblems.

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19

What should I do if the PTO shaft makes noise or vibrates?

Answer: Stop operation and inspect the PTO shaft for damage or improper installation. Repair or replace as needed.

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20

How do I troubleshoot poor cutting performance?

Answer: Check for dull or damaged blades, improper cutting height, excessive ground speed, or clogged discharge areas. Address any issues found.

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