Alternator for Bobcat & Clark Skid Steer Loaders - 12V 55A IR/EF
Alternator for Bobcat & Clark Skid Steer Loaders - 12V 55A IR/EF
SKU:400-46001
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Alternator for Bobcat & Clark Skid Steer Loaders - 12V 55A IR/EF
Replaces Mando A000B0431 · Lucas LRA01299 · Lester 12175 / 12425
This alternator is built to OEM specifications as a direct fit and function replacement for Bobcat and Clark skid steer loaders and compact equipment. It is an IR/EF unit - internally regulated with an external fan - rated at 12 volts and 55 amps.
The unit rotates clockwise (CW) and uses a single-groove (V1) pulley, matching the original factory configuration for a straight bolt-in fit. It is a negative-earth unit with a 2B+ terminal arrangement and 1/4-20 terminal studs.
Key Features
- 12-volt, 55-amp output
- IR/EF design - internally regulated, externally cooled
- Clockwise (CW) rotation
- V1 (single-groove) pulley
- Negative earth, 2B+ terminal configuration
- Covers a wide Bobcat and Clark loader range
- 12-month warranty as standard
Technical Specs
| Specification | Detail |
|---|---|
| Voltage | 12V |
| Amperage | 55 Amp |
| Rotation | CW (Clockwise) |
| Regulator | IR (Internally Regulated) |
| Fan Type | EF (External Fan) |
| Pulley Type | V1 (Single Groove) |
| Polarity | Negative |
| Terminal | 2B+, 1/4-20 |
| Mounting Hole ID | 15/16-18 |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Bobcat 2000 | 1981-1987 |
| Bobcat 1600 | 1983-1993 |
| Bobcat 1080C | 1985-1987 |
| Bobcat 1213 | 1985-1988 |
| Bobcat 225, 231, 753 | 1990-1994 |
| Bobcat 7753 | 1991-1994 |
| Bobcat 751C | 1995-1997 |
| Bobcat 751G | 1999-2000 |
| Bobcat 220, 2400, 2410, 3022, 3023, 325, 325C, 325D, 328, 331, 331C, 331E, 331EC, 334, 337, 337C, 337D, 341 | Not specified - confirm against OEM part number |
| Bobcat 440B, 443, 443B, 453F, 542B, 543, 543B, 553, 553C, 553F | Not specified - confirm against OEM part number |
| Bobcat 641, 642B, 643, 645, 653, 741, 742, 742B, 743, 743B, 743DS | Not specified - confirm against OEM part number |
| Bobcat 751F, 753C, 753F, 753G, 753H, 753HC, 753L | Not specified - confirm against OEM part number |
| Bobcat 763, 763C, 763F, 763G, 763HC, 763HF, 763HG, 773, 773C, 773F, 773G, 773TG | Not specified - confirm against OEM part number |
| Bobcat 843, 843B, 843HC, 853, 853C, 853H, 853HC, 863, 863C, 863F, 863G, 863HC, 863HF, 863HG, 864, 864F, 864G, 864HG, 873, 873C, 873F, 873G, 873HG, 883G | Not specified - confirm against OEM part number |
| Bobcat 943, 953, 953C, 963, 963G, 974, 975, 980, T200 | Not specified - confirm against OEM part number |
| Clark 2000, 440B, 443B, 542B, 543B, 653, 843, 843B, 853, 853H, 863, 863H, 873 | Not specified - confirm against OEM part number |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| A000B0431, A00B0431, AC155513, AR150CA, AR150DA | Mando |
| LRA01299 | Lucas Electric |
| AL10033X | Bosch |
| 10459513 | Delco |
| 420431, 600123, 600141 | Valeo |
| 10-1400-10 | Yamaha |
| 12175, 12425 | Lester |
Frequently Asked Questions
Will this alternator fit my Bobcat or Clark loader without modification?
Yes. This is a direct OEM-fit replacement built to the same specification (12V, 55A, IR/EF, CW rotation, V1 pulley) as the original unit, so no modification is required.
My model is not listed with a year - will it still fit?
Where our supplier data does not publish a year span we list the model only. The safest check is to compare the OEM number stamped on your existing alternator against the cross reference table above.
What's included with this part?
You receive the alternator unit only. Mounting hardware and pulleys are not included unless already fitted to the original unit you are replacing.
How can I tell my old alternator has failed?
Common signs include a warning light staying on, dimming or flickering lights, a dead or slowly draining battery, or unusual whining noises from the unit.
What does IR/EF mean?
IR/EF stands for Internally Regulated, Externally Fan-cooled - the voltage regulator is built into the alternator body and cooling air is drawn in by an external fan.
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