Description
QD30-8M-30 Powerhouse® HTD Timing Pulley, 3 Teeth, 8M Pitch
The QD30-8M-30 is a 3-tooth 8 mm HTD® compatible timing pulley. It mounts with an industry-standard bushing, sold separately, machined from steel with a black oxide finish, built for 3mm 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.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | QD30-8M-30 |
| Teeth | 3 |
| Pitch | 8 mm HTD® compatible |
| For Belt Width | 3mm |
| Pitch Diameter | 3.0077 in |
| Outside Diameter | 2.9557 in |
| Flange Diameter | 3.346 in |
| Bore | Accepts H bushing (not included) |
| Face Width | 1.5 in |
| Overall Length | 1.5 in |
| Construction | Quick Disconnect Hub |
| Flange Material | Steel |
| Material | Steel (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 1.759 lb |
| Country of Origin | United States. ISO 9001:2015 certified manufacturing. |
Applications
- HTD curvilinear belt drives on industrial equipment
- Conveyors, packaging, and warehouse automation
- Replacing worn pulleys on existing HTD drives
Belt Compatibility
The QD30-8M-30 runs 8 mm HTD® compatible belts in 3mm width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The QD30-8M-30 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | P30-8M-30-H |
| Martin | P308M30-H |
| TB Woods® | P308M30 |
| Regal Rexnord (Browning®) | B308M30H |
| Mitsuboshi | QD30-8M-30 |
| Jason Industrial | P308M30H |
| Masterdrive | P30-8M-30-H |
| Ametric | 8M30QD30.H |
| McMaster-Carr | 6497K715 |
| Grainger | 809R31 |
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 QD30-8M-30 pulley?
8 mm HTD® compatible timing belts in 3mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the QD30-8M-30 replace the Dodge P30-8M-30-H?
Yes. Published interchange data crosses the QD30-8M-30 directly to the Dodge P30-8M-30-H, as well as Martin P308M30-H, TB Woods P308M30, Regal Rexnord B308M30H. Verify dimensions and bore before ordering.
Does the QD30-8M-30 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 QD30-8M-30?
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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