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MERITOR ® BRAKE DRUMS
STEELITE X30 ™
ENGINEERED FOR EXCELLENCE Patented machine-to-balance process: • No balance weights to lose — a condition that can lead to vibration and component wear issues • No need to increase drum weight during the balance process ROBUST, LIGHTWEIGHT STEEL CONSTRUCTION • Lightweight design can reduce vehicle weight by 300 pounds on a tractor-trailer combination* • One-piece roll-formed shell design delivers superior concentricity (with no weld seams or balance weights) which combines exceptional strength and durability and reduces risk of disintegration AVAILABLE WHERE YOU NEED IT • Compatible with most popular wheel-end configurations and axle ratings, fitting most vehicle specs in your fleet • Seamless interchangeability with comparable cast drums and linings
• Compatible with brake systems for revised FMVSS 121 regulations
• As a member of the Meritor MPG SERIES family of components, X30 provides a clear weight-savings advantage compared to cast drums for optimum payload, performance and operational efficiency
• Broad availability as original equipment and aftermarket replacement
* As compared to the use of full-cast drums with 16-1/2” × 5” front brakes and 16-1/2” × 8-5/8” tandem rear and trailer brakes. ** Meritor RSD enhanced brake drums
MERITOR PN
OVERALL DEPTH BRAKE SIZE
BOLT HOLE NO.
BOLT HOLE SIZE
PIOLET DIA.
STEMCO CROSS
53-123544-002 11.04”
16.50” × 8.63” 10
.93”
8.78”
91812B
53-123771-002** 11.16”
16.50” × 8.63” 10
0.94”
8.78”
N/A
53-123581-002 12.15”
16.50” × 8.63” 10
.94”
8.78”
90486B
53-123535-002 10.96”
16.50” × 8.00” 10
.94”
8.78”
91792B
53-123537-002 10.38”
16.50” × 7.00” 10
.94”
8.78”
89996B
53-123564-002 10.38”
16.50” × 7.00” 10
.81”
8.53”
87101B
53-123537-002
53-123566-002 10.38”
16.50” × 7.00” 8
.92”
9.00”
88797B
53-123565-002 10.38”
16.50” × 7.00” 10
.81”
9.00”
87156B
53-123585-002 9.66”
16.50” × 7.00” 10
.81”
9.441” / 9.437” 87407B
53-123608-002 9.62”
16.50” × 6.00” 10
1.28”
8.78”
91265B
53-123607-002 9.62”
16.50” × 6.00” 10
.94”
8.78”
91265B
53-123815-002** 9.23”
16.50” × 5.00” 10
1.28”
8.78”
N/A
53-123816-002** 8.8”
16.50” × 5.00” 10
1.28”
8.78”
N/A
53-123588-002 9.22”
16.50” × 5.00” 8
.94”
9.00”
88814B
53-123601-002 11.44”
15.00” × 8.63” 10
.94”
8.78”
91725B
53-123598-002 9.53”
15.00” × 5.00” 10
1.28”
8.78”
90174B
53-123512-002 8.64”
15.00” × 4.00” 10
1.28”
8.783” / 8.779” 90089BK
53-123568-002 8.89”
15.00” × 4.00” 10
.96”
8.78”
90660BK
53-123542-002 8.89”
15.00” × 4.00” 10
1.25”
8.78”
89870BK
53-123575-002 8.89”
15.00” × 4.00” 8
.94”
8.99”
88870BK
Only Meritor delivers a PREMIUM LIGHTWEIGHT DRUM and braking system for increased payload capacity, improved fuel economy and RSD Compliance.
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