The Midland Haldex SC18D is a Type 18 Air Disc Brake (ADB) service chamber designed for air disc brake systems on heavy-duty trucks and trailers. It delivers a standard-stroke configuration with 2.5 inches of available stroke and a ball-end pushrod. Key mounting dimensions include a 4.75-inch stud spacing (E), a pushrod length of 0.59 inches from the face of the service housing (J), a service clamp-band position at 160 degrees (S1), and an air port position at 90 degrees (T). Call us to confirm proper fit for your specific brake assembly and axle configuration.
Features
Type 18 ADB (Air Disc Brake) service chamber
Standard stroke with 2.5" available stroke
Ball-end pushrod threads
4.75" stud spacing (E dimension)
0.59" pushrod length from face of service housing (J dimension)
Service clamp-band at 160 degrees, air port at 90 degrees
Tech Specs
- Actuator Type: Size 18
- Stroke Type: Standard
- Available Stroke: 2.5"
- Pushrod Threads: Ball End
- E - Stud Spacing: 4.75"
- J - Pushrod Length from Face of Service Housing: 0.59"
- S1 - Service Clampband Position: 160 degrees
- T - Air Port Position: 90 degrees
