3.5k Torlast Usa Trailer Axle – 3500 lb 4″ Drop Idler Axle

Axle Specifications:

Upgrade your trailer with this 3,500 lb 4″drop idler trailer axle. The 4 inch drop lowers your deck height for easier loading and a lower center of gravity, and the spring seats ship loose so you can set your exact spring center during installation.

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

•  – includes:
• 10-19 Grease Seal 2.565″ O.D 1.719″ I.D
• L44649 Outer Bearing 1.063″ I.D
• L68149 Inner Bearing 1.378″ I.D
• L44610 Outer Race 1.98″ O.D
• L68111 Inner Race 2.362″ O.D
• Cotter Pin (standard spindles)
• Grease Caps with Rubber Plug 1.99″

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 3.5K Straight Idler Trailer Axle today and get back on the road with confidence!