The Dodge Torque-Arm II TA6307H15 is a size 6 shaft-mount speed reducer with a 15:1 nominal ratio (15.45:1 actual), double reduction. TA II reducers mount directly on the driven shaft with Dodge’s twin-tapered bushings, use tapered roller bearings and a harsh-duty, metal-shielded seal system, and are factory-ready for Dodge condition-monitoring sensors.
Specifications
| Model | TA6307H15 |
|---|---|
| Dodge part number | 906002 / 906147 |
| Case size | TA6307H (size 6) |
| Nominal ratio | 15:1 |
| Actual ratio | 15.45:1 |
| Gearing | Double reduction, helical |
| AGMA code | 307D15 |
| Weight | 333.0 lb |
| Mounting | Shaft mount, flange mount, screw conveyor or vertical |
| Standard-shaft bushing bores | 3-7/16, 3-3/16, 3, 2-15/16 in |
| Short-shaft bushing bores | 3-7/16, 3-3/16, 3, 2-15/16 in |
Part numbers
| Part number | Version |
|---|---|
| 906002 | Taper-bushed (order twin-tapered bushing kit separately) |
| 906147 | Straight bore 3-15/16 in (no bushing needed) |
Taper-bushed reducers need one twin-tapered bushing kit sized to your driven shaft. Backstops, motor mounts, belt guards, tie rods, cooling fans and screw-conveyor kits for the TA6307H are in Torque-Arm accessories.
Catalogs & manuals
- Torque-Arm catalog
- TA II brochure
- TA II flyer
- MN1601 – TA II reducers, ratios 5–40:1
- MN1643 – Installation and instruction manual
- MN1641 – Tapered & short-shaft bushing assemblies
- MN1639 – Motor mounts
- MN16023 – Belt guard assemblies
- MN1640 – Backstop assemblies
Specifications from the Dodge Torque-Arm catalog. AutomatedPT is an independent distributor and is not affiliated with Dodge Industrial, Inc.

