The 31-HD1206 is a pre-assembled hub and drum designed for 5,200 to 6,000 lb trailer axles. Engineered for electric brake systems, this hub & drum combo provides reliable stopping power, smooth operation, and a long service life under heavy loads. It’s an ideal replacement part for tandem axle utility trailers, equipment haulers, and dump trailers.

Features:

• Fits 5.2K–6K electric brake axle assemblies
• Pre-machined, ready for easy installation
• Compatible with standard 12" x 2" electric brakes
• Durable cast iron drum construction
• Includes pre-installed wheel studs

Specifications:

• Part Number: 31-HD1206
• Axle Capacity: 5,200–6,000 lbs
• Bolt Pattern: 6 on 5.5"
• Drum Size: 12" diameter x 2" width
• Bearing Size (Inner): 25580 (Sold Separately)
• Bearing Size (Outer): 15123 (Sold Separately)
• Grease Seal: 10-36 or equivalent
• Material: Cast iron
• Brake Type: Electric
• Includes: Hub, drum, wheel studs (does not include bearings or seal)

Fitment:

• Designed for use on 5.2K and 6K trailer axles with electric brakes
• Commonly used on utility trailers, dump trailers, equipment haulers, and car haulers