MGM BRAKES part description

Specifications


Aftermarket Unit
Mounting Bolt Thread: 5/8-11
Mounting Bolt Length (in.): 1.540
Port Size: 3/8-18 NPTF
Stroke (in.): 3.00

Service Size: 30
Spring Size: 30

Features & Benefits

  • Tamper ResistantDesign
  • Lighter Weight
  • 3 Inch (76.2 mm) Long Stroke
  • Compact Size
  • Patented Integral Release Bolt Mechanism -Minimal Bolt Protrusion- Approx. 1.25 inch (31.8 mm) Protrusion On "Long Stroke" Models When Manually Released
  • Lower Hold Off Pressure (Less Air Consumption)
  • Epoxy Coated Return Spring
  • Non-Coil Clash Power Spring
  • Increased Corrosion Resistance -Steel Head, Epoxy Coated
  • Available With 1,749 lb (793.3 kg) -2,450 lb (1,111.3 kg) of Push-Rod Braking Force @ 1.25 inch (31.8 mm) Stroke/Service Brake Sizes 17-36
  • Center Hole Shield
Model: MJS3030ET

Technical Data

Stroke 3.00" (76.2 mm)
Weight lb (kg) Combination 23.10 lb (10.5 kg)
Weight lb (kg) Single 14.92 lb (6.8 kg)
A 10.73" (272.5 mm)
B 8.43" (214.1 mm)
C 8.32" (211.3 mm)
D 7.50" (190.5 mm)
E 4.75" (120.7 mm)
F 5/8" - 11 UNC
G 5/8" - 18 UNF
Inlets 3/8" - 18 NPTF
X - Min. (aftermarket unit only) 8.00" (203.2 mm)

Replacement Parts

1 Kit -NP Chamber (a) 9015218
2 Kit -Nuts & Bolts 9003001
3 Clamp Band Assembly 8216045
4 Diaphragm 8017838
5 Kit -Push-Rod Assembly (a) SAE 9064008
5a Kit -Push-Rod Assembly (a) METRIC 9064028
6 Return Spring 8068022
7 Kit -Center Hole Shield 9065002
8 NP Chamber Assembly (a) 9015238
9 Kit -Nuts & Washers SAE 9002001
9a Kit -Nuts & Washers METRIC 9002002
10 Hex Nut -Yoke SAE 8130004
10a Hex Nut -Yoke METRIC 8130016
11 Kit -Breather Tube 9081001
12 Kit -Piggyback Plus SAE MJS3030ET008
*NOTE: (a)To ensure correct stroke alert positioning, kits MUST only be used on the designated MGM brake units.

MGM BRAKES MJS3030ET051 Cross Reference

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