Tractech 225M-58 Differential Spider Assembly

Description:

The Tractech 225M-58 Differential Spider Assembly (GM 15637904) is a differential spider assembly designed for locking differential axle systems used in M1028A2 and M1028A3 Commercial Utility Cargo Vehicles (CUCV). Commonly installed in military CUCV trucks, heavy-duty Chevrolet axle assemblies, and differential overhaul applications, it provides reliable torque distribution and differential operation under demanding service conditions. Maintenance technicians, military vehicle restorers, and drivetrain specialists use this differential spider assembly for axle repairs, differential rebuilds, OEM replacement, and restoration projects.

Applications:

The Tractech 225M-58 Differential Spider Assembly is used in locking differential assemblies for military and heavy-duty vehicle drivetrains requiring dependable power transfer between axle shafts. It is suitable for M1028A2 and M1028A3 CUCV military trucks, differential overhaul projects, drivetrain restoration, axle service, and heavy-duty off-road vehicle applications where reliable differential performance is essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 225M-58
• OEM Part Number: 15637904
• Manufacturer: Tractech Inc.
• Product Type: Differential Spider Assembly
• NSN: 2520-01-330-3703
• Function: Differential torque distribution and axle gear support
• Differential Type: Locking differential spider assembly
• Compatible Vehicles: M1028A2 and M1028A3 CUCV military trucks
• Compatible Equipment: Heavy-duty GM axle assemblies and military drivetrain systems
• Installation Type: OEM replacement differential spider assembly
• Application Environment: Military vehicles, heavy-duty drivetrain systems, axle rebuilds, and differential overhaul applications

Common Replacements:

• Tractech 225M-58 Differential Spider Assembly
• GM 15637904 Differential Spider Assembly
• Tractech 69131 Differential Spider Assembly