Bendix ADB22X:

• The adjuster cover is cone-shaped, offset from the center

• Non-metallic cover with 6 bolts

• The manual adjuster centered on the caliper 

• Pad retainer held with pin and clip

• FMSI D1369

Meritor EX:

• Adjuster cap:

  • Early production- nipple-shaped  

  • Late production- plug with a round head 

• Two-piece caliper body 

• Four retention bolts 

• Pad retainer held with bar and 17mm hex-head bolt

• FMSI D1311.

Wabco Pan:

• The adjuster cover is a flat plug

• Cast cover with retaining bolts

• The manual adjuster centered on the caliper 

• Pad retainer "tuning fork" type with 17mm hex-head bolt

• FMSI 

  • (17)- D1518

  • (19)- D1438

  • (22)- D1777

Wabco MAXXUS:

Hendrickson:

• The adjuster cover is a flat plug

• The adjuster plug may be at the center or offset from center

• Cast cover, no retaining bolts 

• Pad retainer: "tuning fork" type with 8mm internal hex-head bolt

• FMSI D1777