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(888) 312-8812 Login SignupSpring Brake (S-Cam)
At the wheel end, the Bendix Air Brake Spring Brake brings normal service actuation and stored mechanical spring force into the same chamber for both routine and parking-brake operation. The service section responds to air pressure during routine braking, while the spring section provides mechanically applied force when parking or emergency operation calls for it. Because both functions share one actuator location, chamber size, mounting position, and pushrod arrangement must all agree with the existing foundation-brake linkage before installation. The Bendix K129605 is supplied for S-cam brake service.
| Brand | EnduraSure |
| Cautionary Note(s) | Do not disassemble while park side is caged under pressure |
| Chamber Style | Double Diaphragm |
| Chamber Type / Size | T30/30 |
| Clamp Angle | 180Adeg |
| Clevis / Yoke Arm Bushing Pin Diameter | A~ .50 IN (A~ 12.7 MM) |
| Clevis / Yoke Arm Link Pin Diameter | A~ .25 IN (A~ 6.35 MM) |
| Clevis / Yoke Pin Spacing | 1.30 IN (33 MM) |
| Clevis / Yoke Style | Welded |
| Market Indicator | Aftermarket New |
| Maximum Operating Temperature | 175 AdegF (79 AdegC) |
| Minimum Operating Temperature | -40 AdegF (-40 AdegC) |
| Mounting Stud Length | 1.50 IN (38.1 MM) |
| Parking Port (12) | 3/8-18 NPTF |
| Port Angle | 0Adeg |
| Push Rod Length (to Yoke Pin Center when Applicable) [IN] | 11.10 in |
| Push Rod Thread / Style | Not applicable to this part |
| Service Chamber Joint Type | Double Clamp Band |
| Service Port (11) | 3/8-18 NPTF |
| Stroke | 2.50 IN (63.5 MM) |
| Stud Spacing | 4.75 IN (120.7 MM) |
| Stud Thread Size | 5/8-11 UNC-2A |
| Country of Origin (Primary) | MX |
| UPC | 04068078172735 |
| VMRS Code | 013004027 |
| Brand | Part Number |
|---|---|
| N/A | 800921 |
| TORQUE PARTS | TR3030C-WC |
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