The Wabco air brake chamber assembly, part number 9253940030 or 925-394-003-0, is a Type 30/36 cam-operated chamber built to OE specification. It delivers a 2.99 in stroke with a 3.55 in push-rod length and handles a maximum operating pressure of 145.0 psi, releasing at 71.07 psi. Bolt threads are 5/8"-11 UNC with 1.50 in bolt lengths and a 4.75 in center-to-center bolt spacing. The 0.51 in clevis pin, dual 3/8"-18 NPTF ports at a 160-degree angle, and 14.88 in total length round out the spec sheet. Rated for -40 degrees C to +80 degrees C. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Interchanges:
- WAB9253940030
Features
Type 30/36 cam-operated air brake chamber
Max. operating pressure: 145.0 psi; release pressure: 71.07 psi
Stroke: 2.99 in; push-rod length: 3.55 in
Bolt threads: 5/8"-11 UNC; bolt length: 1.50 in; bolt spacing: 4.75 in
Dual 3/8"-18 NPTF ports at 160-degree port angle
Temperature rated -40 degrees C to +80 degrees C; supplied without boot
Tech Specs
- Brand: Wabco
- Type: 30/36
- Type of operation: Cam
- Technical specification: OE specification
- Max. operating pressure: 145.0 psi
- Release pressure: 71.07 psi
- Stroke: 2.99 in
- Push-rod length: 3.55 in
- Total length: 14.88 in
- Bolt threads: 5/8"-11 UNC
- Bolt length: 1.50 in
- Distance between bolts: 4.75 in
- Clevis pin diameter: 0.51 in
- Port thread 1: 3/8"-18 NPTF
- Port thread 2: 3/8"-18 NPTF
- Port angle: 160 degrees
- Temperature range: -40 degrees C to +80 degrees C
- Version: Without boot
