Description
18-3M06-6A3 Powerhouse® HTD Timing Pulley, 18 Teeth, 3M Pitch, 1/4 in Bore
The 18-3M06-6A3 is a 18-tooth 3 mm HTD® compatible timing pulley with a 1/4 in finished bore, machined from aluminum with a clear anodized finish, built for 6mm wide belts. Machined from solid stock, never sintered or powdered metal. Powerhouse® HTD pulleys fit drives using HTD® curvilinear belts of the same pitch and width.
$50 minimum order on drive components. Mix and match any pulleys, bushings, sheaves, sprockets, and accessories in your cart to reach the $50 minimum. Questions? Call (888) 203-2358.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | 18-3M06-6A3 |
| Teeth | 18 |
| Pitch | 3 mm HTD® compatible |
| For Belt Width | 6mm |
| Pitch Diameter | 0.6767 in |
| Outside Diameter | 0.6467 in |
| Bore | 1/4 in finished bore |
| Face Width | 0.386 in |
| Overall Length | 0.691 in |
| Hub Diameter | 0.442 in |
| Construction | Standard Hub |
| Set Screws | 2 x 8-32 |
| Material | Aluminum (no sintered or powdered metal) |
| Finish | Clear Anodized |
| Weight | 0.02 lb |
| Country of Origin | India |
Applications
- HTD curvilinear belt drives on industrial equipment
- Conveyors, packaging, and warehouse automation
- Replacing worn pulleys on existing HTD drives
Belt Compatibility
The 18-3M06-6A3 runs 3 mm HTD® compatible belts in 6mm width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The 18-3M06-6A3 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Stock Drive Products (SDP/SI) | A 6A23-018NF0608 |
| Neuman | 18M3-L06M-6 |
| Powerdrive | 18-3M06-6A3 |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
Buying in bulk? Save on volume.
Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.
Frequently Asked Questions
What belts fit the 18-3M06-6A3 pulley?
3 mm HTD® compatible timing belts in 6mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the 18-3M06-6A3 replace the Stock Drive Products A 6A23-018NF0608?
Yes. Published interchange data crosses the 18-3M06-6A3 directly to the Stock Drive Products A 6A23-018NF0608, as well as Neuman 18M3-L06M-6, Powerdrive 18-3M06-6A3. Verify dimensions and bore before ordering.
Does the 18-3M06-6A3 ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
Need a quote on 18-3M06-6A3?
Houston warehouse, same-day shipping on stock items.
Call (888) 203-2358Powerhouse® is a registered trademark of its owner. HTD® is a registered trademark of Gates Corporation. All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.
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