Bush Hog 1051R Rotary Cutter FAQs, Specs, Maintenance & Installation Tips
Find essential maintenance guidance and operating tips for your Bush Hog 1051R Rotary Cutter. This page covers routine service intervals, lubrication points, fluid specs, safety, and troubleshooting to help you keep your cutter running at its best.
1051R Fluid Specifications & Capacities
| Fluid | Specification | Capacity (qt) | Capacity (gal) |
|---|---|---|---|
| Gearbox Oil | SAE 90 EP gear oil | See fill plug level | See fill plug level |
1051R Complete Maintenance Schedule
| Service Item | Action | Interval | Part Number | Notes |
|---|---|---|---|---|
| Gearbox Oil Level | Check oil level in gearbox before each use. Maintain oil at plug level. | 8 hr | ||
| Blade Holder Nut | Check torque before each use. | 8 hr | ||
| Driveline U-joints | Lubricate with No. 2 lithium grease | 8 hr | Apply to all U-joints (2 fittings) | |
| Driveline Guard Bearings | Lubricate with No. 2 lithium grease | 8 hr | 2 fittings | |
| Tailwheel Pivot | Lubricate with No. 2 lithium grease | 8 hr | 1 fitting | |
| Blade Bolts | Check torque before each use. | 8 hr | ||
| Tailwheel Hub | Lubricate with No. 2 lithium grease | 50 hr | 1 fitting | |
| Gearbox Oil | Change oil | 100 hr (after first 100 hr, then every 100 hr) | Use SAE 90 EP gear oil | |
| Blades | Check for sharpness and damage; replace if worn or damaged | Before each use | 64708 | Qty: 2, Torque: 450 ft-lbs |
1051R Operating Specifications
| Specification | Value |
|---|---|
| Working Width | 5 ft |
| Blades | 2 |
| PTO Speed | 540 rpm |
| Recommended Tractor Power | 35-60 HP |
1051R Seasonal Storage
- Clean all debris from unit
- Lubricate all grease fittings
- Touch up paint on bare metal to prevent rust
- Store in dry location
1051R Operating Warnings
| System | Indicator | Required Action |
|---|---|---|
| Blade Contact | Bystanders within 300 ft | Keep bystanders at least 300 feet away during operation |
Quick Jump
Tap a topic to jump to the answer.
- Q4. How often should I check the gearbox oil on the 1051R Rotary Cutter?
- Q5. What type of oil should be used in the gearbox?
- Q6. How often should I change the gearbox oil?
- Q7. How frequently should I lubricate the PTO shaft and U-joints?
- Q8. What type of grease should be used for lubrication points?
- Q11. How do I properly store the rotary cutter for the off-season?
- Q14. What should I do if the blades become dull or damaged?
- Q16. What should I do if the cutter vibrates excessively during operation?
- Q17. How often should I inspect the blades for wear or damage?
- Q18. What safety precautions should I follow during operation?
- Q21. What should I do if the PTO shaft is difficult to connect or disconnect?
- Q24. What is the proper procedure for replacing the gearbox oil?
- Q25. What should I do if the cutter leaves uncut strips of grass?
How often should I check the gearbox oil on the 1051R Rotary Cutter?
Answer: Check the gearbox oil every 8 hours of operation.
What type of oil should be used in the gearbox?
Answer: Use SAE 90 EP gear oil in the gearbox.
How often should I change the gearbox oil?
Answer: Change the gearbox oil after the first 50 hours of operation, then every 500 hours or annually, whichever comes first.
How frequently should I lubricate the PTO shaft and U-joints?
Answer: Lubricate the PTO shaft and U-joints every 8 hours of operation.
What type of grease should be used for lubrication points?
Answer: Use a good quality multi-purpose lithium base grease.
How do I properly store the 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.
What should I do if the blades become dull or damaged?
Answer: Replace or sharpen blades as needed. Always use proper safety procedures when servicing blades.
What should I do if the cutter vibrates excessively during operation?
Answer: Stop the machine and inspect for damaged or unbalanced blades, loose hardware, or foreign objects.
How often should I inspect the blades for wear or damage?
Answer: Inspect the blades before each use.
What safety precautions should I follow during operation?
Answer: Keep bystanders at least 300 feet away during operation and always follow all safety instructions.
What should I do if the PTO shaft is difficult to connect or disconnect?
Answer: Ensure the PTO shaft is clean and properly lubricated; align the splines carefully.
What is the proper procedure for replacing the gearbox oil?
Answer: Remove the drain plug and allow oil to drain completely. Replace the plug and refill with SAE 90 EP gear oil to the specified level.
What should I do if the cutter leaves uncut strips of grass?
Answer: Check for dull or damaged blades, improper cutting height, or excessive ground speed. Adjust or repair as needed.