Description
SB3030S30IT - 30/30 LONG STROKE INTRX SPRING BRAKE
PART NUMBER(S):
Fleet Products: SB3030S30IT | Replaces OE: Hendrickson Trailer S-24225-2, S242252, S-24225-3, S242253, S-24247-2, S242472, S-24247-5, S242475, S-32197, S32197 | MGM Brakes 3230551, 3230551X, 3230555 | Other 3030S25IT-LR, STD303025IT
DESCRIPTION:
Model: 30/30 Long Stroke Spring Brake – INTRX Series
Vehicles: Compatible with commercial trucks and trailers using Hendrickson INTRAAX/INTRAX suspensions
• Type: 30/30 long stroke spring brake chamber
• Stroke: 3.0"
• Push Rod: 12.75" length, 5/8"-18 UNF (fully threaded)
• Ports: dual 3/8"-18 NPTF (square ports)
• Mounting: clamp band (5/8"-11 UNC studs, 4.75" spacing)
• Chamber Height: 10.55"
• Seal Diameter: 8.4"
• Sealed dual-diaphragm design
• Epoxy-coated, corrosion-resistant steel
• Polymer push rod guides
• External release bolt, tamper-resistant
• Stroke alert compatible
• Cold-weather diaphragm, nitrile seals
Applications:
Engineered for Hendrickson INTRAXX/INTRAAX trailer suspension systems and S-cam drum brake axles requiring long stroke spring brakes. Designed for severe service use where corrosion resistance, extended stroke, and high durability are essential. Used extensively on trailers and heavy-duty trucks across North American fleets.
CROSS-REFERENCE(S):
3030S30IT, SB3030S30IT, LS303030IT, 3230051, 3230008, 3230051X, 3230008X, 460-3230008, 5554-3230008, ZAJ3230008, OTR3030PBK-LS, 85106551, 62A30PBLS, 780-62A30PBLS, 5007132, A3030S, BC3030, 3400123, M-3030COM, M16WR107, M16WR122, 3030CIS, E-BC3030C, GC3030, LC3030, 1010470, BS3030T, T3030T, WA3030T, S-16987, HDVSTD30UC, 14-493, 14-521, 14-522
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Ensure brake chamber is properly oriented during installation; ports should face downward unless otherwise specified
✔ Always verify push rod length matches OEM specifications for application
✔ Use only with long stroke-compatible yokes and clevises
✔ Mount with OEM clamp band or LP3 base where specified
✔ Torque Specs:
• Clamp Band Nuts: 35–40 ft-lbs
• Push Rod Clevis: 25–30 ft-lbs
• Air Line Fittings: 15–20 ft-lbs
✔ Do not open sealed spring chamber – use only as complete unit
✔ Follow proper uncaging process before system pressurization
✔ Inspect and test for air leaks and chamber stroke after installation
✔ Replace corroded or damaged mounting hardware
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Warranty Information
