Fortpro Automatic Slack Adjuster 1-1/2" Diameter, 28 Teeth, 5-1/2" Arm - Haldex Style Replacement for 400 10211 & F224931 | Heavy Duty Truck & Trailer Brake System Maintenance" (优化说明： 1. 统一了尺寸格式（1-1/2"替代1 1/2） 2. 增加连接符提升可读性 3. 补充替换型号的完整说明 4. 添加应用场景说明（重型卡车和拖车制动系统维护） 5. 符合Google SEO规范的关键词布局)

Specifications:

• Brand: Fortpro
• Vehicle Type: Semi-Trucks / Heavy Trucks
• Product Department: Brakes
• Product category : Slack Adjuster
• OEM Reference: 40010211
• Part Type: Automatic Slack Adjuster
• Style: Haldex
• Slack Spline Diameter: 1-1/2 in.
• Slack Spline Count: 28
• Arm Length 1: 5-1/2 in.
• Arm Length 2: N/A
• Arm Length 3: N/A
• Model: AA1
• Clevis Type: Unclevised
• Clevis Thread Diameter: N/A
• Maximum Torque Rating: Less than 15 foot pounds
• Arm Offset: No Offset
• Arm Bushing(s)Inside Diameter (ID): Arm Hole Diameter1/2 in.
• Inclination Angle (Body Angle): 0 degrees
• Maximum Operating Temperature: 158 °F (70 °C)
• Minimum Operating Temperature: (-40 °F) (-40 °C)
• Material: Alloy Steel
• Type of Operation: Tension Adjuster - Torque
• Chamber Sizes: T-30 Standard Stroke or T-16 / T-24 Long Stroke Chamber
• Grease Fitting Location: 180 º
• Anchor Bracket Style: Plate & Flat Stud
• Application: For 16-1/2" Brake Assembly - Trailer Axle Application.

Cross-reference:

• Automann: 1332840
• Bendix: 28931415
• Dayton Parts: 5668
• Euclid: E11921, E-6944
• Haldex: 400-10211
• Meritor: R806019, R806019A, M807019
• Stemco: MK42100S