2018 Freightliner Cascadia Detroit RT40.0-4 Differential Core – Rebuildable

Rebuildable core Detroit RT40.0-4 front carrier and differential assembly removed from a 2018 Freightliner Cascadia. This unit features a 3.08 gear ratio and 41 side gear splines. The differential does not include a locker and has confirmed ring and pinion damage. It is sold as a core for rebuilding or parts recovery and is not represented as a ready-to-install assembly. Inspect and verify compatibility before purchase.

Product Details

• Make: Freightliner
• Model: Cascadia
• Year: 2018
• Part Type: Front Carrier / Differential Assembly
• Manufacturer: Detroit
• Model/Part Number: RT40.0-4 / RT4004
• OEM Number: C11-0042-921
• Gear Ratio: 3.08
• Side Gear Splines: 41
• Locker: No
• Cast Number: C11-0042-921
• Condition: Core – Rebuildable Only
• Known Damage: Ring and pinion damage
• VIN: 3AKJHHDR5JSJR0234

Reference Numbers

• Alliance Axle RT34.0-4
• Alliance Axle RT40.0-4
• Alliance Axle RT44.0-4
• Detroit RT34.0-4
• Detroit RT40.0-4
• Detroit RT44.0-4

Shipping

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Warranty

No Warranty. Item meets your satisfaction at the time of delivery or installation.