Sirco Part Number Diameter Description
EF-1 15 Eaton: Single Anchor Pin Front Brake
EK-1HD 16-1-2 Eaton: Single Anchor Pin Brake With Heavy Duty Return Spring
EK-3 16-1-2 Eaton: Single Anchor Pin Brake High Mount
EQ-1 16-1-2 Eaton: Top Spec Retrofit for Meritor
ES-1 16-1-2 Eaton: Extended Service Brake First Generation
ES-2 16-1-2 Eaton: Extended Service Brake Second Generation
ES-3 15 Eaton: 15" x 6" ?ES? Front Brake
ES-4 15 Eaton: 15" x 8-5/8" ?ES? Drive Axle Brake
ET-1 16-1-2 Eaton: Top Spec
FK-2 16-1-2 Fruehauf Pro-Par: Early Model With Standard Spring
K-1 16-1-2 Arvin Meritor, Dana, Hendrickson: Heavy Duty Spring Kit Only
LB-1 12-1-4 Standard Forge: Brake With Fabricated Shoes
LB-2 12-1-4 Dana Spicer: Brake With Fabricated Shoes
LB-3 12-1-4 Arvin Meritor: Q Brake
LB-4 12-1-4 Eaton: Single Anchor Pin Brake
LB-5 12-1-4 Fruehauf Pro-Par:
LB-6 12-1-4 Dana Spicer: U Brake New Style
LB-8 12-1-4 Dana Spicer: FCII
LB-9 12-1-4 Dana Spicer: Brake With Fabricated Shoes and Oversized Rollers
MF-1 16-1-2 Arvin Meritor: Q Front Brake
MF-2 16-1-2 Arvin Meritor: Steer Axle Brake
MF-3 16-1-2 Arvin Meritor: Q Brake With FL Steer Axle
MK-2 16-1-2 Mack: Brake With 50,000 lb Axle
QK-1 16-1-2 Arvin Meritor, Dana, Hendrickson: Q Brake With Heavy Duty Return Spring
QK-1A 16-1-2 Arvin Meritor, Dana, Hendrickson: Heavy Duty Q Brake Less Bushings
QK-1HD 16-1-2 Arvin Meritor, Dana, Hendrickson: Q Brake With Heavy Duty Return Spring
QK-2HD 16-1-2 Arvin Meritor, Dana, Hendrickson: HD Q Brake Less Bushings & Anchor Pins
RF-1ARK 15 Arvin Meritor: Front T Brake Complete Kit Types 1 & 2
RF-2ARK 15 Arvin Meritor: Front T Brake Short Kit Types
RF-3 15 Arvin Meritor: Front Q Brake Complete Kit
RF-3A 15 Arvin Meritor: Front Q Brake Short Kit
RF-5 15 Arvin Meritor: Front Q Plus Brake Complete Kit
TK-1 16-1-2 Arvin Meritor: P Series Brake With Heavy Duty Return Spring
TK-1HD 16-1-2 Arvin Meritor: P Series Brake With Heavy Duty Return Spring
TK-4HD 16-1-2 Arvin Meritor: Universal P Brake
WF-1 15 Wagner: 15" x 4" Front Brake
XK-3HD 16-1-2 Fruehauf Pro-Par: XEM 3 Brake Heavy Duty Spring
XL-1 16-1-2 Spicer: Extra XL Brake With Heavy Duty Return Spring