CAT 8N-3504 Long Raw Edge Cogged V-Belt (1003 mm)

Product Overview

The CAT 8N-3504 Long Raw Edge Cogged V-Belt is a genuine Caterpillar OEM drive belt designed to provide reliable power transmission between engine-driven components such as alternators, fans, pumps, and accessory drives. With a belt length of 1003 mm, this cogged V-belt delivers efficient power transfer while maintaining flexibility and durability under demanding operating conditions.

The raw edge cogged design improves belt flexibility around pulleys while reducing bending stress, helping increase service life and maintain consistent performance. Caterpillar engineers these belts for heavy-duty applications where vibration, heat, and continuous operation are common.

Key Features

• Genuine Caterpillar OEM V-belt
• Belt length: 1003 mm (39.49 in)
• Belt width: 12.7 mm (0.50 in)
• Raw edge cogged construction
• Improved flexibility compared with standard wrapped belts
• Efficient power transmission for engine accessory drives
• Designed for high-temperature and vibration environments
• Resistant to wear, cracking, and stretching
• Manufactured to Caterpillar quality standards
• Helps maintain proper accessory drive performance

Technical Specifications

Compatible Caterpillar Applications

The CAT 8N-3504 V-Belt is used across multiple Caterpillar engine and equipment applications, including:

Industrial Engines

• 3024
• 3114
• 3116
• 3126
• 3508
• 3508B
• 3512
• 3512B
• 3516
• 3516B
• C7

Generator Set Engines

• 3508
• 3116
• C2.2 Generator Sets

Marine Engines & Auxiliary Applications

• 3508
• 3508B
• 3512
• 3512B
• 3516
• 3516B

Machine Applications

• 307B Mini Hydraulic Excavator
• 216 Skid Steer Loader
• 232 Skid Steer Loader
• 902 Compact Wheel Loader

Petroleum Applications

• 3508 Petroleum Packages
• 3512C Petroleum Engines
• 3516 Petroleum Engines

Application Information

The CAT 8N-3504 belt is typically installed in engine accessory drive systems where it transfers rotational power from the crankshaft pulley to driven components such as:

• Alternators
• Cooling fans
• Water pumps
• Charging systems
• Auxiliary equipment drives

Proper belt tension and alignment are essential to achieve maximum service life and prevent premature wear.

Additional Compatibility Information

Because drive belt applications vary by engine arrangement and machine configuration, compatibility should be confirmed using:

• Machine model
• Engine serial number (ESN)
• Arrangement number
• Existing belt part number

A correct OEM belt ensures proper fit, pulley engagement, and reliable power transmission.

Benefits

Installing a genuine CAT 8N-3504 Raw Edge Cogged V-Belt helps:

• Maintain reliable engine accessory operation
• Improve power transmission efficiency
• Reduce belt slip and vibration
• Increase resistance to wear and heat
• Minimize unexpected downtime
• Extend accessory drive component life
• Maintain OEM Caterpillar performance standards