Product Overview
This 8TEN Spindle and Mulching Blade Kit is designed as a replacement for 38-inch cut decks on various MTD and Cub Cadet lawn tractors. The kit includes two spindles and two mulching blades, engineered to meet or exceed original equipment specifications for reliable performance and efficient grass cutting.
Important Safety Information
Always prioritize safety when working with lawn care equipment. Failure to follow these safety guidelines can result in serious injury.
- Read the entire manual: Understand all instructions and warnings before installation or operation.
- Disconnect power: Always remove the spark plug wire or disconnect the battery before performing any maintenance or installation.
- Wear protective gear: Use heavy-duty gloves, eye protection, and appropriate footwear.
- Secure the equipment: Ensure the lawn tractor is on a flat, stable surface and the parking brake is engaged. Use jack stands to support the deck if lifting.
- Sharp blades: Mower blades are sharp. Handle them with extreme care to prevent cuts.
- Proper torque: Tighten all fasteners to the manufacturer's specified torque settings.
Compatibility
This kit is compatible with specific OEM part numbers and lawn tractor models. Verify your equipment's specifications before installation.
Spindle Compatibility (Replaces OEM Part Numbers):
- MTD: 615-0142A, 618-0138, 618-0138A, 618-0142, 618-0142C, 918-0138, 918-0138A, 918-0138C, 918-0142, 918-0142A, 918-0142C
Blade Compatibility (Replaces OEM Part Numbers):
- MTD: 4720610, 490-110-M114, 742-0610, 742-0610A, 742-0610A-0637, 942-0610, 942-0610A, GW-7420610, OEM-742-0610
- Troy Bilt: 742-0610, 942-0610, 942-0610A
Compatible Lawn Tractor Models (38-inch Cut Deck):
- MTD Yard Machines: 13AM660F205, 13AD685G000, 13AM660F352, 13A7660G752, 13AB652F729, 13AC650F000, 13A4662F129, 13AM660F700, 13AC650F700, 13AM660G000, 13AM660G700, 13AM663F352, 13AN660G352, 13AN660G752, 13AN662G729, 13AC662F129, 13AN682G729, 13BF660F352, 13BH660F000, 13A1660F000, 13BH660F120, 13BH670F062, 13CH660F000, 13BM660F000; 13AD685G700, 13AD695G000, 13AD695G700, 13AF685G700
- MTD Bolens: 13AM662F163, 13AC650F765, 13AM662F765, 13AM662G765
- Huskee: 13AM680F731, 13AM682G731, 13AN682G731, 13AP698G731, 13BM660F131
- Yard Man: 13AD683G713
- White Outdoor: L-13 (13A5472F190, 13AA472F190), LT-13 (13A5673F190, 13AA662F190, 13AA673F190, 13AA672F190), LT-14 (13BP673F190), LT-15 (13A2682F190, 13AM683F190, 13A1686G190), LT-145 (13AP693F190, 13BP693F190), LT-1300
Package Contents
- 2 x Spindle Assemblies (with mounting hardware)
- 2 x Mulching Blades
Image: Two 8TEN replacement spindles for lawn mower decks.
Image: Two 8TEN LawnRAZOR mulching blades.
Installation Instructions
Follow these steps carefully to replace your lawn mower's spindles and blades.
Tools Required:
- Socket wrench set
- Torque wrench
- Blade removal tool or wood block
- Wire brush
- Grease gun (for spindles with grease fittings)
Preparation:
- Park the lawn tractor on a level surface.
- Engage the parking brake.
- Turn off the engine and remove the spark plug wire to prevent accidental starting.
- Lower the mower deck to its lowest position.
- Remove the mower deck from the tractor according to your tractor's owner's manual.
- Clean the underside of the deck thoroughly to remove grass clippings and debris.
Spindle Replacement:
- Carefully remove the old blades from the spindles. Use a blade removal tool or a block of wood to hold the blade while loosening the blade nut.
- Locate the bolts securing the spindle assembly to the mower deck. These are typically on the top side of the deck.
- Remove the bolts and carefully lift the old spindle assembly from the deck.
- Clean the mounting area on the deck to ensure a flat surface for the new spindle.
- Position the new 8TEN spindle assembly onto the deck, aligning the mounting holes.
- Insert the new mounting bolts (included with the kit) and hand-tighten them.
- Using a torque wrench, tighten the mounting bolts to the manufacturer's specified torque. Refer to your tractor's owner's manual for exact specifications.
Image: Bottom view of an 8TEN spindle assembly, showing the blade mounting area.
Image: Top view of an 8TEN spindle assembly, showing the mounting bolt holes.
Blade Installation:
- Ensure the cutting edge of the blade faces upwards towards the deck. The mulching features are designed for specific rotation.
- Align the 6-point star center hole of the new 8TEN mulching blade with the spindle shaft.
- Secure the blade with the blade washer and nut. Hand-tighten first.
- Use a blade removal tool or a block of wood to prevent the blade from turning while tightening the blade nut with a torque wrench to the manufacturer's specified torque.
- Repeat for all blades.
Image: Close-up of 8TEN mulching blade with 6-point star center hole for proper spindle fit.
Image: Side profile of an 8TEN mulching blade, illustrating its lift design for effective mulching.
Operation Guidelines
Proper operation ensures optimal performance and longevity of your mulching blades.
- Mulching Best Practices: For best mulching results, cut only the top one-third of the grass blade. Avoid cutting wet grass, as it can clump and reduce mulching effectiveness.
- Regular Inspection: Before each use, inspect blades for damage, dullness, or imbalance.
- Clear Debris: Ensure the mowing area is free of rocks, sticks, and other debris that could damage the blades or spindles.
Video: This video demonstrates the different lift profiles of 8TEN LawnRAZOR mower blades, including low-lift, medium-lift, and hi-lift, which can influence mulching performance.
Maintenance
Regular maintenance extends the life of your spindles and blades and ensures a quality cut.
- Blade Sharpening: Sharpen blades regularly to maintain a clean cut. Dull blades tear grass, leading to an unhealthy lawn. Ensure blades are balanced after sharpening.
- Cleaning: After each use, clean grass clippings and debris from the underside of the mower deck and around the spindles.
- Spindle Lubrication: If your spindles have grease fittings, lubricate them periodically with appropriate grease as recommended by your tractor's manufacturer.
- Inspection: Periodically check all mounting bolts for tightness and inspect spindles for excessive play or noise. Replace worn components promptly.
Troubleshooting
Refer to this table for common issues and potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Poor cut quality (uneven, ragged) | Dull or damaged blades; incorrect blade installation; worn spindle bearings. | Sharpen or replace blades; ensure blades are installed correctly; inspect and replace spindles if bearings are worn. |
| Excessive vibration from deck | Unbalanced or bent blades; worn spindle bearings; loose mounting hardware. | Balance or replace blades; inspect and replace spindles; tighten all mounting bolts to specifications. |
| Spindle noise or grinding | Lack of lubrication; worn bearings. | Lubricate spindles if equipped with grease fittings; replace spindle assembly if bearings are worn. |
Product Specifications
| Component | Specification |
|---|---|
| Spindle Height | 6 inches |
| Blade Length | 19 5/16 inches |
| Blade Center Hole | 6 Point Star |
| Blade Width | 3 inches |
| Blade Thickness | 0.150 inches |
| Product Dimensions | 24 x 8 x 8 inches |
| Item Weight | 10.8 pounds |
| Model Number | MK1002174 |
Warranty Information
8TEN products are backed by an 810 Day Warranty. For specific terms and conditions, please refer to the official 8TEN website or contact customer support.
Image: 810 Day Warranty logo, indicating product coverage.
Customer Support
For further assistance, technical questions, or warranty claims, please visit the official 8TEN store or contact their customer service department.
Visit the 8TEN Store: 8TEN Parts Store
Video: An overview of the 8TEN brand, highlighting their range of aftermarket lawn and garden replacement parts.