87456901 (CNH ) SOLONOID

Part Number: 87456901
Replaces (Old Model): 190432 A1
Product Name: Solenoid – 4WD
Brand: CNH Original (Genuine)
Category: Transmission / 4WD Control Valve

The 87456901 4WD Solenoid Valve is the new-generation CNH Original solenoid, designed to replace the older 190432 A1 used on previous CASE 580 models.
It is installed in the transmission valve assembly and controls hydraulic engagement of the four-wheel drive (4WD) system.

This updated version incorporates a connector design change, and is supplied with the necessary components to support transmissions prior to the connector update.

Application / Compatibility

• CASE 580 M2

• CASE 580 SUPER M Series 2

• CASE 580 M Series 3

• CASE 580 SUPER M Series 3

• CASE 580 N

• CASE 580 SUPER N

Assembly & Connector Information

• Transmission 4WD Solenoid Valve

• Includes:

  • Solenoid unit

  • Ref. 12 Jumper Harness

• Jumper harness is used for converting transmissions prior to connector change

• Connector system: Pack-Deutsch

• Refer to PHOTO NO. 11 / exploded diagram

Key Features

• CNH Original (Genuine) new-model solenoid

• Supersedes older 190432 A1

• Designed for improved electrical reliability

• Precise hydraulic control for 4WD engagement

• Direct fit for listed CASE 580 models

Troubleshooting / Common Failure Symptoms

A faulty 4WD solenoid may cause:

• 4WD not engaging or disengaging

• Intermittent four-wheel drive operation

• Transmission response delay

• Electrical fault related to connector or wiring

• Hydraulic pressure not switching correctly

Recommendation:
When replacing old-model solenoids, always verify connector type and ensure jumper harness is installed if required.

零件号： 87456901
取代旧型号： 190432 A1
产品名称： 四轮驱动电磁阀（Solenoid – 4WD）
品牌： CNH Original（原厂正品）
类别： 变速箱 / 四驱控制阀

87456901 四驱电磁阀 为 CNH 原厂新款型号，用于取代旧款 190432 A1。
该电磁阀安装于 变速箱阀体组件，负责控制 四轮驱动（4WD）系统的液压切换。

新款设计已更换 电气接头规格，并随件提供 跳线（Jumper Harness），以适配旧款变速箱。

适用机型

• CASE 580 M2

• CASE 580 SUPER M Series 2

• CASE 580 M Series 3

• CASE 580 SUPER M Series 3

• CASE 580 N

• CASE 580 SUPER N

组件与接头说明

• 变速箱 4WD 电磁阀

• 包含：

  • 电磁阀本体

  • Ref. 12 跳线（Jumper Harness）

• 跳线用于 旧款接头系统转换

• 接头规格：Pack-Deutsch

• 对应 PHOTO NO. 11 / 爆炸图

产品特点

• CNH 原厂正品

• 新款设计，取代旧型号

• 电气连接更稳定

• 四驱切换精准、可靠

• 完全匹配 CASE 580 新世代机型

常见故障与排查

若电磁阀异常，可能出现：

• 四轮驱动无法作动

• 四驱功能时有时无

• 变速箱反应迟缓

• 接头或线路电气故障

• 液压切换不正常

建议：
更换旧款电磁阀时，务必确认接头类型，并正确安装随附跳线。