1639366 Plate-Outer Fits Caterpillar Models

One New Aftermarket Replacement Outer Brake Plate for Caterpillar (Cat) Heavy Equipment

This aftermarket replacement Plate-Outer (part number 1639366) is an outer brake disc used in the service and parking brake group on Caterpillar (Cat) heavy construction equipment. The plate seats in the wet brake assembly and provides the critical contact surface for effective service and parking braking. It is a steel external-tooth disc designed for use in high-torque, high-stress drivetrain brake applications on large off-highway trucks and related machines.

Specifications

• Material: Steel
• Teeth: 144 external (EXT TH)
• Outer Diameter: 737.9 mm (29.05 in.)
• Inner Diameter: 539.75 mm (21.25 in.)
• Thickness: 2.5 mm (0.095 in.)
• Weight: Approximately 4.2 kg (9.26 lbs.)
• Part Type: Wet Brake / Service and Parking Brake Group - Outer Plate

Compatible Models

Caterpillar (Cat) Off-Highway Trucks / Large Engine Applications: 3412, 3412D, 3412E, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B

Note: This brake plate is a drivetrain/braking component. Verify compatibility with your specific machine serial number before ordering.

Replaces Part Number(s):

1639366, 163-9366, 7D3012, 7D-3012, 7D7671, 7D-7671

Aftermarket Interchange Numbers

Also replaces: 15000719, 15302797, 1163936, 1669366

New aftermarket replacement part - not remanufactured, not used.