Description
63-14MX37-3525 Powerhouse® MX Timing Pulley, 63 Teeth, 14MX Pitch
The 63-14MX37-3525 is a 63-tooth 14 mm MX high torque timing pulley. It mounts with an industry-standard bushing, sold separately, machined from ductile iron with a black oxide finish, built for 37mm wide belts. Machined from solid stock, never sintered or powdered metal. Powerhouse® MX pulleys run on the same high torque drives as Gates Poly Chain® GT® Carbon™ and Continental Synchrochain Carbon belts.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | 63-14MX37-3525 |
| Teeth | 63 |
| Pitch | 14 mm MX high torque |
| For Belt Width | 37mm |
| Pitch Diameter | 11.0531 in |
| Outside Diameter | 10.9431 in |
| Flange Diameter | 11.75 in |
| Bore | Accepts 3525 bushing (not included) |
| Face Width | 2.063 in |
| Overall Length | 2.5 in |
| Construction | Taper Lock Hub |
| Flange Material | Steel |
| Material | Ductile Iron (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 46.7 lb |
| Country of Origin | China |
Applications
- High torque, low speed drives replacing roller chain
- Air cooled heat exchanger (ACHE) fan drives
- Oil and gas pumping equipment
- Material handling and conveyor drives
Belt Compatibility
The 63-14MX37-3525 runs 14 mm MX high torque belts in 37mm width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The 63-14MX37-3525 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | 14MX-63S-37-3525 |
| Martin | 14MX63S37-3525 |
| Gates® | 14MX-63S-37 |
| TB Woods® | 14MPC63S37 |
| Regal Rexnord (Browning®) | B14MCS-63-37 |
| Mitsuboshi | 63-14MX37-3525 |
| Grainger | 809T40 |
| Powerdrive | 63-14MX37-3525 |
| Continental (ContiTech) | 63G-14M-37-3525 |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
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Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.
Frequently Asked Questions
What belts fit the 63-14MX37-3525 pulley?
14 mm MX high torque timing belts in 37mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the 63-14MX37-3525 replace the Dodge 14MX-63S-37-3525?
Yes. Published interchange data crosses the 63-14MX37-3525 directly to the Dodge 14MX-63S-37-3525, as well as Martin 14MX63S37-3525, Gates 14MX-63S-37, TB Woods 14MPC63S37. Verify dimensions and bore before ordering.
Does the 63-14MX37-3525 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 63-14MX37-3525?
Houston warehouse, same-day shipping on stock items.
Call (888) 203-2358Powerhouse® is a registered trademark of its owner. Poly Chain®, GT®, and Carbon™ are trademarks of Gates Corporation. Synchrochain is a trademark of Continental. 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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