Description
Representative image shown. Actual product appearance varies by size, bore, and configuration. Refer to the specifications table for exact dimensions of this part number.
TL84H300 Timing Pulley, 84 Teeth, H Pitch
The TL84H300 is a 84-tooth H (0.500 in trapezoidal) timing pulley. It mounts with an industry-standard bushing, sold separately, machined from cast iron with a black oxide finish, built for 3 in wide belts. Machined from solid stock, never sintered or powdered metal.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | TL84H300 |
| Teeth | 84 |
| Pitch | H (0.500 in trapezoidal) |
| For Belt Width | 3 in |
| Pitch Diameter | 13.369 in |
| Outside Diameter | 13.315 in |
| Bore | Accepts 3020 bushing (not included) |
| Face Width | 3.375 in |
| Overall Length | 3.375 in |
| Construction | Taper Lock Hub |
| Material | Cast Iron (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 32.864 lb |
| Country of Origin | China |
Applications
- Instrumentation, office equipment, and precision positioning drives
- 3D printers and desktop CNC equipment
- Robotics, medical devices, and packaging machinery
- Weight-sensitive drives (webbed, lightened construction)
Belt Compatibility
The TL84H300 runs H (0.500 in trapezoidal) belts in 3 in width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The TL84H300 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | TL84H300-3020 |
| Gates® | TL84H300 |
| TB Woods® | TL84H300 |
| Mitsuboshi | TL84H300-3020 |
| Jason Industrial | TL84H300 |
| Optibelt | TB 84-H-300 |
| Masterdrive | P84H300-3020 |
| Ametric | 84 H 300 TL |
| Powerdrive | TL84H300 |
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 TL84H300 pulley?
H (0.500 in trapezoidal) timing belts in 3 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the TL84H300 replace the Dodge TL84H300-3020?
Yes. Published interchange data crosses the TL84H300 directly to the Dodge TL84H300-3020, as well as Gates TL84H300, TB Woods TL84H300, Mitsuboshi TL84H300-3020. Verify dimensions and bore before ordering.
Does the TL84H300 ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
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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