The Hendrickson S-Cam brake camshaft, part number D311118R (also referenced as D-31111-8R or HND-31111-8R), is a hex-style S-cam shaft designed for heavy-duty air brake systems. It measures 12.25 inches in the cam head dimension with a 10-spline shaft and an overall length of 23.75 inches. The hex (Hxs) cam head engages the brake rollers to actuate the brake shoes on drum brake axle ends. Position is not axle-position-specific, so confirm left- or right-hand fitment for your axle and brake assembly before ordering. Call us to verify the correct application for your suspension and brake setup.
Features
Hex-style (Hxs) S-cam head for heavy-duty drum brake actuation
12.25 in. cam head dimension
10-spline shaft engagement
23.75 in. overall shaft length
OEM part number D-31111-8R; also cross-referenced as HND-31111-8R
Position not axle-side-specific: confirm LH or RH fitment for your application
Tech Specs
- Cam Head Style: Hex (Hxs) S-Cam
- Cam Head Dimension: 12.25 in.
- Shaft Spline Count: 10
- Overall Length: 23.75 in.
- OEM Part Number: D-31111-8R
- Alternate Part Number: HND-31111-8R
- Position: Not axle-side-specific
