Product Description
Toyota Field Coil, OEM part number TO 00590-43401-71, provides magnetic field excitation for 24VDC drive motors in Toyota 7HBW23 electric pallet jacks. Manufactured with wound copper conductors, laminated steel stator, and Class H industrial insulation. Includes all OEM dimensional and mounting specifications for direct replacement.
Compatibility: Fits pallet jacks made by Toyota, model 7HBW23. SKU: TO 00590-43401-71
Specifications
Dimensional Specifications
| Nominal Volume | 0.54 gallons displacement envelope |
Material & Construction
| Core Material | Laminated steel stator |
| Finish | Industrial grade enamel coating |
Part Numbers
| OEM Part Number | 00590-43401-71 |
| Manufacturer Part Number | TO 00590-43401-71 |
| Cross-Reference Part Numbers | TY00590-43401-71, TO005904340171, TY005904340171, 005904340171 |
| Compatible Models | Toyota 7HBW23 Electric Pallet Jack |
Frequently Asked Questions
Q: What is the purpose of the TO 00590-43401-71 field coil in a pallet truck motor?
A: The field coil generates the magnetic field needed to excite the 24VDC drive motor in Toyota 7HBW23 electric pallet jacks. It works with the armature to produce rotational force. Without a functional field coil, the motor cannot generate drive power.
Q: What materials are used in the field coil construction?
A: The TO 00590-43401-71 features wound copper conductors, a laminated steel stator core, and Class H industrial insulation. This construction withstands continuous duty cycles and the electrical stresses of 24VDC motor operation without breakdown or delamination.
Q: Which Toyota models is this field coil designed for?
A: This field coil is engineered for Toyota 7HBW23 electric pallet jacks. Cross-reference part numbers TY00590-43401-71, TO005904340171, TY005904340171, and 005904340171 are equivalent designations for the same component.
Q: What does Class H industrial insulation mean?
A: Class H insulation is rated for sustained temperatures up to 180 degrees Celsius and provides superior electrical resistance. In a drive motor, this insulation prevents shorts between winding conductors and protects against moisture ingress and chemical degradation.
Q: How is the laminated steel stator beneficial?
A: Lamination reduces eddy current losses and heat generation during motor operation. The layered steel design allows magnetic flux to flow efficiently while minimizing power dissipation, improving overall motor efficiency and extending service life.
Q: Is the field coil a direct OEM replacement with no modifications?
A: Yes, the TO 00590-43401-71 includes all OEM dimensional and mounting specifications for direct replacement in Toyota 7HBW23 motors. No modifications or adapters are required if the original coil is being replaced with this OEM part.