Alternator/Generator 70025533 – Optimized Product Page Content

🔹 Product Overview
The Alternator/Generator with JLG Part Number 70025533 is a critical electrical component essential for the operation of various JLG engine-powered access equipment, including boom lifts and telehandlers. This unit is responsible for converting mechanical energy from the running engine into electrical power, performing two vital functions: recharging the main battery and supplying operating voltage to the machine’s electrical systems, such as the controls, lights, and gauges.
The 70025533 alternator is typically a 12-volt unit designed for the specific engine applications in JLG machines. When this component fails, the machine will quickly deplete its battery, leading to cranking failure and ultimately stopping all electrical functions, causing significant operational downtime.
Replacing a faulty unit with a high-quality aftermarket or OEM equivalent to part number 70025533 is the necessary solution to restore reliable starting power and consistent electrical function.
🔹 Key Features & Benefits
- ✅ Essential Charging System: Crucial for maintaining battery charge and providing continuous electrical power while the engine is running.
- ✅ Reliable Voltage Output: Supplies the necessary 12V power to the machine’s complex electrical and control systems.
- ✅ Direct Cross-Reference: High-quality replacement for JLG part number 70025533 (also referenced as JL70025533).
- ✅ Engine-Powered Equipment: Designed for compatibility with the engines in various JLG Boom Lifts and Telehandlers.
- ✅ Prevent Downtime: Immediate replacement of this component prevents costly, total electrical system failure and job site delays.
🔹 Technical Details
| Detail |
Specification |
| JLG Part Number |
70025533 (JL70025533) |
| Cross-Reference |
11839 (Lester number), also related to 70030378 |
| Condition |
New Aftermarket or Original Equipment Manufacturer (OEM) |
| Type |
Engine Alternator/Generator |
| Voltage Output |
12 Volts DC |
| Function |
Converts engine rotation into electrical current for battery charging and system power. |
| Intended Use |
Electrical charging system for JLG Engine-Powered Equipment. |
| Weight (Approximate) |
10 lbs (Varies by manufacturer) |
| Warranty |
Standard warranty against manufacturing defects (varies by supplier) |
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🔹 Compatible JLG Models & Applications
The Alternator/Generator 70025533 is compatible with the engine systems of various JLG engine-powered equipment. Always verify compatibility using your machine’s full serial number and engine model as this part is specific to certain engine configurations.
| JLG Equipment Series |
Specific Compatible Models (Examples) |
| Engine-Powered Lifts |
Various JLG Boom Lifts (e.g., Diesel/Gas powered 450A, 600S, 800AJ models) |
| Telehandlers |
Various JLG G-Series Telehandler Models |
| Common Application |
Restoration of the vehicle’s primary electrical charging system for reliable starting and operation. |
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🔹 Why Choose a Quality 70025533 Replacement?
- Ensured Starting Power: Guarantees the battery is consistently charged, eliminating inconvenient starting issues.
- System Stability: Provides a steady flow of electricity, crucial for the reliable performance of sensitive electronic controls and safety systems.
- Longevity: Manufactured to withstand the demanding conditions and duty cycles of construction and access equipment.
- Perfect Match: Designed for direct installation, matching the pulley and mounting requirements of the original JLG component.