Detroit^™ Tandem Rear Axle

Reporting for Heavy Duty

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Oil Deflector

Oil deflector for full lubrication at very low speeds.

Seal Design

New seal design for optimal leak protection.

Brake Compatibility

Compatible with all brake systems offered by Freightliner Trucks, FCCC and Western Star Trucks.

Topoid Design

Reduced driveline angle for less driveline vibrations results in less noise and less wear.

Larger Differential

Larger differential adds stiffness, stability and durability.

Power Divider

Larger Power Divider with helical gears and needle bearings for increased durability.

Thorough Lubrication

The inter-axle differential gears are completely lubricated—even at low speeds. Using an oil deflector connected to the upper helical gear, allows the oil to be redirected to the oil toward the roller bearings into the carrier that feeds the input bearing. Standard on all Detroit rear tandem axles, the oil deflector eliminates the need for an oil pump in most applications to extend gear life, reducing lifecycle costs and improving durability.

Intermediate Track Housing

Our innovative designs help maximize fuel economy. That’s why our 40,000-lbs tandem axles are available with optional intermediate-track housing, which allows the user to switch between super-single or dual track. Up to 34,000-lbs rated capacity, Detroit allows dual or single tires with the standard housing configuration. Super-single tires deliver the lightest axle/wheel combination compared to dual tires.

Advanced Input Seal

Detroit axles feature an innovative design for the input seal, which is inside the bearing cage and separated from the threaded ring to improve sealing. This significantly reduces seal degradation and input oil leaks common to other designs and eliminates the need for sealant on the threaded ring, providing better reliability and less downtime.

Topoid Gearing

The inter-axle driveline on Detroit tandem-rear axles features a Topoid off-set. This creates a near 0° driveline angle between each axle, reducing vibration, increasing durability and enhancing driver comfort.