Fabco TC-170 Transfer Case – Extreme-Duty Two-Speed Transfer Case

The Fabco TC-170 is a rugged, high-capacity transfer case engineered for extreme vocational, military, and off-highway applications. Designed for vehicles requiring maximum torque and low-speed control, the TC-170 features a cast-iron housing, heavy-duty gearing, and full air-shift operation. It provides unmatched durability and drivetrain flexibility for oversized and specialty trucks operating in severe environments.

TC-170 Parts Manual PDF

TC-170 Service Manual PDF

Technical Specifications

Model: Fabco TC-170
Type: Two-Speed Transfer Case
Input Torque Rating: Up to 25,000 lb-ft (33,900 Nm)
Speed Ratios:
- High Range: 1:1
- Low Range: 2.63:1
Shifting: Air-actuated with optional manual override
Mounting: Midship or remote-mount configurations
Housing: Heavy-duty cast iron for extreme durability
Lubrication: Pressure-lubricated with integrated oil pump
PTO Capability: Dual PTO openings (optional)
Output Configurations: Customizable with yoke or flange options
Weight: Approximately 625 lbs

Weight	90 lbs
Category	Transfer Cases

BorgWarner 231X 231 Transfer Case B/M#3-38175

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