Belt 350-8742

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Caterpillar Grader

Belt 350-8742

PRODUCT DESCRIPTION:

This 350-8742 belt is a professional OEM-matched power transmission component exclusively engineered for the Caterpillar Motor Grader 120, serving as a core drive part for the machine’s engine accessory system, hydraulic pump drive system and auxiliary mechanical transmission system. It is specially designed for efficient and stable power transmission under heavy-load, high-vibration construction conditions, and provides reliable torque transfer support for the normal operation of key auxiliary systems such as the grader’s cooling, hydraulic power supply and lubrication, which is essential for the continuous and stable working of the entire machine.

PRODUCT DETAILS

Key Advantages

1. OEM Standard Perfect Compatibility : Strictly manufactured in accordance with Caterpillar’s original technical drawings, dimensional parameters and transmission system design requirements for the 120 motor grader. The belt’s length, width, tooth profile (if applicable), tensile strength and groove matching degree are 100% consistent with the original machine’s pulley and transmission system. No secondary adjustment or modification is required during installation, ensuring seamless fit and synchronous operation with the original drive components.

2. High-strength Wear-resistant Composite Material : Adopts industrial-grade high-performance rubber composite material reinforced with high-tensile polyester cord/aramid fiber, with excellent tensile strength, wear resistance, fatigue resistance and impact resistance. It can withstand long-term high-speed operation and heavy-load torque transmission without cracking, delamination or premature wear, and greatly extends the service life under harsh construction conditions.

3. Excellent Anti-slip & Heat Dissipation Performance : The belt surface is designed with a special anti-slip texture (OEM standard), which effectively increases the friction between the belt and the pulley, eliminates slip during high-load operation and avoids power loss and heat generation caused by slip; the optimized material formula and structural design improve heat dissipation efficiency, preventing thermal aging and softening of the belt due to long-term high-temperature operation.

4. Strong Environmental & Working Condition Adaptability : The material has excellent oil resistance, aging resistance, ozone resistance and high/low temperature resistance, and can work stably in the harsh construction site environment with oil pollution, dust, large temperature changes (-40℃~+120℃) and strong vibration. It will not lose elasticity or structural strength due to extreme environmental factors, and maintains reliable transmission performance for a long time.

5. Low Elongation & High Dimensional Stability : The high-tensile core material has extremely low elongation under load, ensuring the belt’s length stability during long-term use, avoiding the need for frequent tension adjustment, and reducing the daily maintenance workload of the machine; the precise molding process ensures uniform thickness and consistent tooth profile, further improving the transmission stability and reducing abnormal wear of the pulley.

6. Simple Installation & Low Maintenance : Conforms to the original machine’s transmission system assembly design, with a lightweight and flexible structure. Maintenance personnel can complete installation, replacement and tension adjustment quickly with conventional tools (no special professional equipment required). The long service life and stable performance reduce the frequency of replacement and maintenance, lowering the overall operation and maintenance cost of the machine.

SPECIFICATION

Item

Specification/Parameter

Part Number

350-8742

Product Name

Belt

Applicable Equipment

Caterpillar Motor Grader 120

Main Material

High-performance oil-resistant rubber + high-tensile polyester cord/aramid fiber reinforcement (OEM standard composite material)

Core Performance

High tensile strength, anti-slip, wear resistance, fatigue resistance, oil resistance, high/low temperature resistance, low elongation

Working Temperature

-40℃ ~ +120℃

Working Speed Range

Adapt to the original transmission system speed of Caterpillar 120 (0~3000r/min)

Installation Type

Direct sleeving installation, simple tension adjustment (matching original tensioner)

Matching Component

OEM standard pulleys, tensioners and idlers of Caterpillar Motor Grader 120

Application Position

Engine accessory drive system, hydraulic pump drive system, cooling fan drive system and auxiliary mechanical transmission system of Caterpillar Motor Grader 120

Application Scene

Daily operation, regular maintenance, on-site emergency replacement of Caterpillar Motor Grader 120 power transmission system


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