87422777 ALTERNATOR (GENUINE)

87422777 CNH Original (Genuine) Alternator is a 12V, 90 amp alternator used on selected CASE 580 backhoe loader models. This alternator comes with pulley and is an important component in the machine electrical charging system.

The alternator helps generate electrical power while the engine is running and keeps the battery charged during machine operation. If the alternator becomes weak, worn, or damaged, the machine may face battery charging problems, difficult starting, warning light issues, or unstable electrical performance.

Using CNH Original (Genuine) alternator helps ensure proper fitting, reliable charging performance, and longer service life for CASE backhoe loader applications.

Compatible / Suitable Models:
Suitable for:

CASE 580 M2
CASE 580 SUPER M2
CASE 580 M SERIES 3
CASE 580 SUPER M SERIES 3

Product Details:
Part Number: 87422777
Product Name: Alternator
Brand: CNH Original (Genuine)
Voltage: 12V
Output: 90 Amp
Type: Alternator With Pulley
Application: Starter / Alternator Mounting System
Diagram Reference: Position No. 3
Machine Type: CASE Backhoe Loader
Condition: New Genuine Part

Common Symptoms:
Battery cannot charge properly
Battery warning light appears
Machine difficult to start
Electrical system becomes weak
Lights become dim or unstable
Battery drains quickly after operation
Alternator produces abnormal noise

Why Replace:
A faulty alternator may cause low charging output and battery failure. Replacing the damaged alternator helps restore stable electrical power, protect the battery, and reduce machine downtime.

Recommended Inspection:
Check alternator output voltage before replacement.
Inspect belt tension and pulley condition.
Check battery condition and battery terminals.
Inspect wiring connector and engine harness.
Make sure the charging system works properly after installation.

87422777 CNH Original (Genuine) 发电机适用于指定 CASE 580 挖掘装载机车型。此发电机为 12V、90A 规格，并带有皮带轮，是机器电路充电系统的重要部件。

发电机的主要作用是在发动机运转时产生电力，并为电池充电，确保机器电器系统稳定操作。如果发电机老化、发电量不足或损坏，可能会导致电池无法充电、启动困难、仪表警示灯亮起或电路不稳定。

使用 CNH Original (Genuine) 原装正厂发电机，有助于确保安装位置准确、充电效果稳定，并提升 CASE 泥机的使用可靠性。

适用车型：
适用于：

CASE 580 M2
CASE 580 SUPER M2
CASE 580 M SERIES 3
CASE 580 SUPER M SERIES 3

产品资料：
零件号码：87422777
产品名称：发电机 / Alternator
品牌：CNH Original (Genuine) 原装正厂件
电压：12V
输出：90A
类型：带皮带轮发电机
用途：启动 / 发电机安装系统
图号位置：Position No. 3
适用机器：CASE 挖掘装载机
状态：全新原装正厂件

常见故障现象：
电池无法正常充电
电池灯 / 充电警示灯亮起
机器启动困难
电路系统变弱
灯光变暗或不稳定
机器操作后电池很快没电
发电机出现异常声音

为什么需要更换：
发电机损坏会影响整台机器的充电系统，严重时可能导致电池没电、机器无法启动或电器系统失效。更换损坏的发电机可以恢复稳定电力供应，保护电池，并减少机器停工时间。

建议检查：
更换前检查发电机输出电压。
检查皮带松紧度和皮带轮状况。
检查电池和电池头是否良好。
检查电线插头和发动机线束。
安装后确认充电系统操作正常。