The Meritor 53-123771-002 or 53123771002 is an X30 Balanced lightweight brake drum sized at 16.50 in. diameter by 8.62 in. width, designed for disc-wheel, outboard-mount axle ends rated at 23,000 lbs. capacity. The 10-bolt flange uses a 0.94 in. bolt hole diameter on an 11.25 in. bolt circle, with a pilot diameter of 8.78 in. Brake surface width measures 9.07 in., and overall drum depth is 11.16 in. Sold by Pro Gear and Transmission as a genuine Meritor part. Call us to confirm proper fit for your axle configuration before ordering.
Features
Brake diameter: 16.50 in.; brake width: 8.62 in.
X30 Balanced drum type for outboard disc-wheel mounting
10-bolt flange, 0.94 in. bolt hole diameter, 11.25 in. bolt circle
Pilot diameter: 8.78 in.; overall depth: 11.16 in.
Brake surface width: 9.07 in.
Axle capacity rating: 23,000 lbs.
Tech Specs
- Brake Diameter: 16.50 in.
- Brake Width: 8.62 in.
- Brake Surface Width: 9.07 in.
- Overall Depth: 11.16 in.
- Pilot Diameter: 8.78 in.
- Bolt Hole Number: 10
- Bolt Hole Diameter: 0.94 in.
- Bolt Circle Diameter: 11.25 in.
- Drum Mounting: Outboard
- Wheel Type: Disc
- Axle Capacity: 23,000 lbs.
- Type: X30 Balanced
- VMRS Code: 013-017-006
