Part NumberS-16987
TypeType 30/30 Spring Brake Chamber
ApplicationHeavy-duty trucks, Semi-trucks
FeaturesTandem Sealed, Black E-Coated Steel Housing, Includes Hardware & Clevis
Chamber TypeCombination (Service + Spring Brake)
Air Port StyleRound
Air Port Thread Diameter0.375 Inch (3/8-18 NPTF)
Chamber Height10.312 Inch
Outside Diameter (O.D.)8.30 Inch
Mount Holes Center To Center Length4.75 Inch
Mounting Bolt Thread Diameter0.625 Inch (5/8-11 UNF-2A)
Push Rod Diameter0.625 Inch (5/8-18 UNF-2A)
Push Rod Length13.5 Inch (Standard Stroke) / 8 Inch (Long Stroke)
Push Rod Thread Pitch18
Ram Stroke2.5 Inch (Standard) / 3 Inch (Long)
Stroke TypeStandard / Long Stroke
Maximum Operating Pressure150 PSI
Port Orientation90°
ServiceabilitySealed
Clevis Mounting TypeThreaded
Clevis YokeIncluded
Service Chamber Joint TypeSingle Clamp Band
Emergency Port Thread Size3/8-18 NPTF
Service Port Thread Size3/8-18 NPTF
Brake System CompatibilityS-Cam
Brake TypeDrum
Chamber StyleDouble Diaphragm
Warranty2 Year
Weight19.15 Lbs