47920130A LEA0438 Alternator 595034070 LEA1195 LRA517M Battery charger 61920671 PRE47020069 dynamo 66021588 A127MT F032113713
item#: BOSCH VOLVO-1-2-1
30-DAY FREE & EASY RETURNS
Return it within 30 days for a full refund. Learn more
Order today to get this price.
价格范围：$86.00 至 $155.00
Order in the next 1 hrs 24 mins 4 secs
Next Day Air Shipping for $32
Suitable for all vehicle models, starter motors, alternators
All components are manufactured to original factory specifications to ensure perfect fit and performance.
Orders placed before 5 p.m. Eastern Time, Monday through Friday, will be shipped the same day for in-stock items.
Serving mechanics and DIY enthusiasts around the world.
We are committed to complete customer satisfaction and offer a one-year warranty.
Factory direct sales, more favorable prices, saving you more money.
Two ways to ensure proper fitment
Two ways to ensure proper fitment
DO YOU KNOW YOUR OEM PART NUMBER
Look for your OEM part number below or use our search tool.
LOOK FOR YOUR MAKE/ MODEL/ YEAR
Enter your make/model/year below to find the right part.
Overview
Lucas Alternators for Perkins Diesel Engines: An Overview
Introduction
Lucas alternators engineered for Perkins diesel engines represent a robust and time-proven charging solution widely deployed across agricultural machinery, construction equipment, commercial vehicles, and industrial generator sets. Lucas, a historic British manufacturer of automotive electrical components, has long supplied alternators that pair seamlessly with Perkins engines—one of the world’s leading diesel engine brands. The combination of Lucas electrical expertise and Perkins diesel reliability has made this pairing a staple in demanding off-highway and on-road applications.
Operating Principle
An alternator is a belt-driven electromechanical device that converts mechanical energy from the engine into alternating current (AC), which is then rectified to direct current (DC) to charge the vehicle’s battery and power electrical systems. In a Lucas–Perkins setup:
- The engine crankshaft drives the alternator via a belt and pulley.
- A rotor inside the alternator generates a rotating magnetic field.
- The stator windings produce three-phase AC voltage.
- An integrated rectifier bridge converts AC to DC.
- A voltage regulator maintains a stable output (typically 12 V or 24 V) regardless of engine speed and electrical load.
Once the engine is running, the alternator supplies all onboard electrical demand while simultaneously recharging the battery, ensuring reliable operation of lights, ignition electronics, control modules, and auxiliary equipment.
Key Technical Features
1. Durable Construction
Lucas alternators for Perkins engines are built with heavy-duty casings, sealed bearings, and high-grade copper windings designed to withstand the vibration, dust, and temperature extremes common in agricultural and construction environments.
2. Integrated Regulator and Rectifier
Most modern Lucas units feature an internal voltage regulator (IR) and internal fan (EF) configuration, simplifying installation and reducing the number of external components that can fail. The regulator precisely controls field current to maintain consistent charging voltage.
3. Wide Output Range
Lucas offers alternators spanning a broad spectrum of electrical outputs to match different Perkins engine sizes and application loads:
- 12 V systems: 36 A, 50 A, 55 A, 65 A, 70 A, 90 A, and up to 120 A
- 24 V systems: 55 A and higher for heavy-duty and industrial applications
4. Clockwise Rotation with Flexible Mounting
These alternators typically operate in clockwise (CW) rotation and are available with single-groove or multi-groove pulleys, as well as various mounting foot patterns to fit different Perkins engine families.
5. Efficient Low-RPM Performance
Three-phase stator designs deliver improved charging output at low engine idle speeds—a critical feature for equipment that may run at low RPM for extended periods while still powering lights, hydraulics, and electronics.
Common Models and Specifications
表格
| Model Series | Voltage | Output | Typical Application |
|---|---|---|---|
| Lucas A127 | 12 V | 55–70 A | Perkins A4 series, Massey Ferguson tractors, Land Rover |
| Lucas A13N | 12 V | 65–70 A | Perkins-powered agricultural and industrial equipment |
| Lucas LRA series | 12 V / 24 V | 55–185 A | Broad range of Perkins engines, JCB machinery, commercial vehicles |
| Lucas 17/18 ACR | 12 V | 36 A | Classic and smaller Perkins diesel applications |
| Lucas 24V 55A | 24 V | 55 A | Perkins 4000 series, JCB construction equipment |
Cross-reference part numbers commonly associated with Perkins engines include 2871A160, 2871A163, 2871A141, 2871A152, 2871A308, T414270, and 66021491.
Applications
Lucas alternators for Perkins engines are found across a diverse range of equipment:
- Agricultural machinery: Tractors (Massey Ferguson, Ford/New Holland), harvesters, and irrigation pumps
- Construction equipment: JCB excavators and loaders, backhoe loaders, and site dumpers
- Industrial generator sets: Perkins-powered standby and prime power generators
- Commercial vehicles: Trucks and buses equipped with Perkins diesel engines
- Marine and off-highway: Boats, forklifts, and ground support equipment
- Classic and vintage vehicles: Land Rover Series and Defender models with Perkins diesel conversions
Advantages
- Proven Reliability: Decades of real-world service in harsh operating environments demonstrate long service intervals and dependable performance.
- Cost-Effective Replacement: Lucas alternators and their aftermarket equivalents are widely available and competitively priced, making maintenance affordable.
- Plug-and-Play Compatibility: Many units are direct replacements for OEM Perkins alternators, requiring no modification to mounting brackets or wiring.
- Ease of Maintenance: Internal regulator designs reduce wiring complexity; brushes, bearings, and rectifiers are serviceable on many models.
- Global Parts Network: Lucas electrical components are supported by an extensive international distribution and service network.
- Adaptability: Available in 12 V and 24 V configurations with multiple amperage ratings, pulley styles, and rotation directions to suit virtually any Perkins engine platform.
Conclusion
The Lucas alternator for Perkins diesel engines is a dependable, well-supported charging solution that has earned its place in workshops and fields worldwide. Whether powering the electrical system of a Massey Ferguson tractor on a remote farm, a JCB excavator on a construction site, or a Perkins industrial generator providing backup power, the Lucas–Perkins combination delivers consistent charging performance, durability, and ease of maintenance. With a broad range of voltage and amperage options and an extensive aftermarket support network, these alternators remain a practical choice for both original equipment fitment and replacement service.
Applications List
Voltage
14V
Amperage
80A
Free wheel pulley
CW
Replaces These Part Numbers
47920130A LEA0438 Alternator 595034070 LEA1195 LRA517M Battery charger 61920671 PRE47020069 dynamo 66021588 A127MT F032113713
Keeping customers satisfied for over 35 years.
Customers keep returning because we keep delivering total satisfaction. Our key to success is selling parts that fit and perform like the originals. It’s why so many mechanics make us their top choice.
Find The Right Part
Use our advanced part finder or search by part number to find your part.
Same-Day Shipping
Orders placed before 2 PM will be shipped within 3 days.
fast shipping
Global delivery, priority shipping
Expert Advice
Need help choosing your part? Please contact us for help.
价格范围：$86.00 至 $155.00
