4707-S003 Brake Shoe 4707Q 16-1/2'' x 7''

Description

Short Description
1.
Surface treatment: Electrophoresis coating, spray coating
2.
Heat treatment: Induction quenching
3. Material: high quality carbon steel
4.
Characteristics: Strong corrosive, resistance and excellent braking performance
5. Approved by SAE and FMVSS-121 test
Description
Brake shoe 4707Q fits many models of heavy-duty trucks and semi-trailers.
Cross reference: E5503, E-5503, A193222D2006, 01008, M3189, TDAA3222D2006, A3222L2066, 4707D, L3011, A193222D200, R4707, 21855, 4707R, 4707XT
• Process:
Steel plate-punching-milling-welding-drilling-induction quenching-electrophoresis coating-inspection-restriking-packing.
•
Weld detail:
Carbon dioxide gas arc welding is to guarantee strength. No cracked or weakened welds, no distortion of the shoe webs.
•
Cam and anchor detail:
Induction hardened cam and anchor is for long-term durability and life.  Hardness is up to HRC30-40. No wear to the pin recess prevents lateral movement.
•
Shoe platform detail:
No corrosion or distortion to the shoe platform provides optimum lining security and geometric operation helping reduce brake noise.
•
Rivet hole detail:
No damage, elongation or ovality of the rivet hole reduces the risk of loosening rivets.
Technical Details
Brake Shoe FMSI® Number
4707
Brake Configuration
'S' cam
Air Chamber
Type 30 Long Stroke
Slack Adjuster Length
5-1/2 inches
Adjustment
automatic
Brake Size
16-1/2 x 7 inches
Drum Effective Radius
8-1/4 inches
Axle Load (GAWR)
23000 lb
Static Loaded Radius/Rolling Radius
19-3/5 inches
Test Inertia
952 slug·ftÇ
Hardness
HRC30-40
Control Thermocouple
Hottest lining, recessed 0.040" below surface
Additional Information