TOP WIPER MOTOR BRACKET 1139802374 ZOOMLION CRANE

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Zoomlion 1139802374 Top Wiper Motor Bracket – Genuine Crane Cab Wiper Mounting Bracket

The Zoomlion 1139802374 Top Wiper Motor Bracket is a genuine OEM replacement mounting component designed for the cab roof wiper system on Zoomlion cranes. As an essential part of the crane's windshield wiper assembly, this bracket securely fastens the wiper motor to the cab structure, ensuring stable and reliable wiper operation during adverse weather conditions.

This mounting bracket is the critical interface between the wiper motor and the cab roof structure. It maintains proper motor alignment with the wiper transmission linkage and crank arm assembly, directly affecting wiper arm movement and blade performance. Manufactured to Zoomlion's original equipment specifications, this bracket provides a direct replacement for worn or damaged components in the crane's front windshield wiper system.

Wiper Motor Mounting System

In a typical wiper system configuration, the wiper motor is secured to the cab structure using a mounting bracket. The bracket positions the motor so that it can drive the wiper transmission assembly and crank arm mechanism. According to standard wiper motor removal procedures, the motor is attached to the mounting bracket using 3 mounting screws, and the bracket itself is secured to the cab structure .

The top wiper motor bracket specifically refers to the mounting component that positions the wiper motor at the cab roof level, typically used for roof-mounted wiper systems that clean the upper window or assist in full-windshield coverage.

Function & Role in Wiper System

The top wiper motor bracket serves several critical functions in the crane's windshield wiper system:

Motor Mounting: Securely fastens the wiper motor to the cab roof structure using mounting screws
Alignment Maintenance: Ensures proper positioning of the motor relative to the wiper transmission assembly and crank arm
Vibration Reduction: Provides stable mounting that minimizes motor vibration during operation
System Integrity: Maintains proper gap between the wiper motor crank arm and bracket tab for smooth operation
Protection: Shields the motor mounting points from stress and fatigue

Compatibility & Applications

This wiper motor bracket (1139802374) is designed for use in Zoomlion crane models equipped with top/roof-mounted wiper systems, including but not limited to:

QAY Series All-Terrain Cranes – QAY220 (wipers and washers equipped on both windshield and roof window)
ZTC Series Truck Cranes – ZTC1500V (featuring front windshield wiper and roof window wiper)
ZLJ5721JQZ Series Cranes – ZLJ5721JQZ450V (front windshield wiper equipped)
CR8-H Cab Equipped Cranes – Next-generation cabs with full-view design and wiper controls
ZCC Series Crawler Cranes – ZCC11800 (crawler crane with cab wiper systems)

Specification	Detail
Part Number	1139802374
Product Type	Top Wiper Motor Bracket
System Application	Cab Roof Wiper Motor Mounting
Compatible Systems	Front Windshield Wiper / Roof Window Wiper
Mounting Points	Designed for 3-screw motor mounting configuration
Compatible Models	Zoomlion QAY, ZTC, ZLJ5721JQZ, ZCC Series Cranes
Quality Grade	Genuine OEM

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