12k Torlast Usa Trailer Axle – 12000 lb HD Straight Brake Axle

Axle Specifications:

The 12,000 lb HD straight brake axle, fully assembled with slipper springs and u-bolts already mounted. Oil-bath lubrication, 5″ steel tube, and 5/8″ studs on an 8×6.5 pattern.

What’s Included (Pre-Assembled Internal Components):

•  – includes:
• Inner Bearing – 3984 2.625" I.D
• Outer Bearing – 28682 2.250" I.D
• Inner Race – 3920 4.438" O.D
• Outer Race – 28622 3.844" O.D
• Unitized Oil Seal – 010-056-00 4.506" O.D 3.125" I.D

Key Benefits:

• Fully assembled & packed with high-temp axle grease — ready for fast installation
• High-strength ASTM A572 Grade 50  steel construction — Ensures durability and a smoother highway towing experience
• Quick-Lube design — grease the axle via zerk fitting without removing the hub

Ideal For:

• RV builds or replacements
• Utility trailer conversions
• Boat trailer upgrades
• Cargo & equipment trailers

Why Buy from The Torlast Usa?

• 100% manufactured in-house, not merely assembled.
• Just in time shipping — 48-hours shipping
• Bulk & wholesale options available
• Financing options
• Dedicated expert support

Have questions? Call or message us at  — we’re here to help you find the perfect axle for your trailer build or repair.
Order your 12000 lb HD Straight Brake Axle today and get back on the road with confidence!