Dodge Tigear-2 Size 20 Plug-In Shaft

A plug-in output shaft dimensioned to fit Dodge Tigear-2 size 20 right-angle worm reducers (the geometry of kit 20PLUGIN): 1.250″ bore-riding body, 0.9995″ keyed output stub projecting 2.11″ (2.11″), 5.31″ overall. Stub diameter, projection, and both keys are Dodge catalog data; the body geometry comes from Dodge's own CAD. Snap-ring groove positions are confirmed against your kit or reducer before we cut. Standard-max-bore reducers only. Load it as a configurable starting point.

Dodge Tigear-2 Size 20 Plug-In Shaft profile
Dodge Tigear-2 Size 20 Plug-In Shaft profile (configurator preview)

Dimensions & defaults

FitsDodge Tigear-2 size 20 (standard max bore) — replaces kit 20PLUGIN
Body Ø (bore-riding)1.2500″ (hollow bore 1.2515″)
Output stub Ø0.9995″ ± .0005
Stub projection2.11″ (2.11″)
Overall length5.31″ (5.31″)
Output keyseat1/4″ square × 1.75″ (ANSI B17.1: 0.25″ × 0.142″ deep)
Bore key (furnished by reducer)1/4 × 1/4 × 1.75″
RetentionTwo snap-ring grooves + reducer hub set screws (no end tap)
Default material1045 medium-carbon steel (configurable; 1144 stress-proof or alloy available)
SourceDodge Tigear-2 catalog + Dodge CAD (ring-groove positions confirmed before cutting)

Configure this part →

Material, tolerances, and features (keyseat size, end retention tap, extra flats or grooves) stay editable in the configurator. The shaft diameter, overall length, keyed-output length, and tap thread are taken from the published catalog data; the keyway dimensions and exact tap depth are standard-derived and confirmed against your reducer or your old shaft before we cut, the drawing's title block stamps the source SKU so any deviation is visible to your buyer and to us.

Frequently Asked Questions

It converts a flexible-mount right-angle reducer's female (hollow) output bore into a male, keyed output stub so you can drive a sprocket, pulley, or coupling. The reducer turns the shaft through two central keyseats in its bore; the shaft then delivers torque at a keyed output end, one (single output) or both (dual output). So a single-output shaft has 3 keyseats (2 central drive + 1 output) and a dual-output has 4 (2 drive + 2 output), plus an axial retention tap at each output end and two retaining-ring grooves that hold the shaft in the reducer. Each loads into the configurator with all of that pre-placed and ships with a length of key stock.
Match the shaft diameter to your reducer's output bore and choose single or dual output. The diameter then fixes the keyway size (ANSI B17.1 square key) and the retention-tap thread. If you're replacing a catalog part, the cards cross-reference the McMaster 6771K SKUs. Pick the card whose diameter, length, and output count match.
All keyways are a standard ANSI B17.1 square keyseat sized to the shaft diameter (3/16″ up to 7/8″, 1/4″ through 1-1/4″, 5/16″ at 1-3/8″). There are two central keyways where the reducer drives the shaft, plus one at each keyed output end (single = 3 keyseats, dual = 4). Each output end also carries a UNC retention tap (1/4-20, 3/8-16, or 1/2-13 by size) for a washer-and-bolt that holds the driven component on. Every dimension stays editable in the configurator.
The cards default to 1045 medium-carbon steel, a good general-duty reducer-shaft material. For higher strength switch to 1144 stress-proof or an alloy in the configurator. Material certs (MTRs) are available on request.
The shaft diameter, overall length, keyed-output length, and retention-tap thread are taken from the published catalog data; the full feature structure, the two central reducer-drive keyseats, the output keyseat(s), and the two retaining-ring grooves, is confirmed against the McMaster CAD drawings (6771K439 single, 6771K441 dual). The exact keyway lengths, ring-groove dimensions, the small drive-zone turn-down, and the feature positions for sizes other than 1-3/8″ are standard-derived/scaled and confirmed against your reducer or your old shaft before we cut. The drawing title block stamps the source SKU so any deviation is visible to you and to us.
Yes, all ten case sizes. The Tigear-2 architecture differs from the generic plug-in shafts: a stepped shaft (bore-riding body with a smaller keyed output stub), a single central bore keyseat driven by the reducer hub's furnished key, two snap-ring grooves for axial retention, and no end tap (the hub's set screws bear on the shaft). Stub diameter, projection, overall length, and both key sizes come from the Dodge catalog, and the body geometry is taken from Dodge's own CAD models. Like Dodge's kits, these fit standard-max-bore Tigear-2 reducers only.
These cover the common 3/4″ through 1-3/8″ flexible-mount right-angle reducer shafts in single and dual output, plus the Dodge Tigear-2 kit sizes 13 through 47. For another diameter, length, brand, or a different keyway, load the closest card and edit it, or send us a print or the old shaft and we'll match it.

Dodge, Tigear-2, McMaster-Carr, and all other reducer model, kit, and brand names shown are trademarks or trade names of their respective owners. Great Lakes Shafts is an independent manufacturer and is not affiliated with, sponsored by, or endorsed by any of them. These are aftermarket replacement shafts machined to fit the referenced reducers; the names are used only to identify the equipment our parts fit.