Product Description
Toyota OEM contactor part number 00591-44170-81, dual-rated for 36VDC or 48VDC power systems, designed as a panel-mounted electric lift truck main contactor. Features silver-plated copper contacts, epoxy-molded housing, and threaded stud terminals. No cross-reference or superseded equivalents documented.
Specifications
Electrical
| Rated Coil Voltage | 36VDC or 48VDC (dual rating) |
| Contactor Type | DC power contactor |
| Application | Main contactor for electric lift truck power circuit |
Material
| Bolt Hardware | Main post terminals supplied with Grade 8 steel nuts |
Part Numbers
| OEM Part Number | 00591-44170-81 |
| Manufacturer Part Number | TY00591-44170-81 |
Frequently Asked Questions
Q: What voltage ratings does the TO 00591-44170-81 contactor support?
A: This Toyota OEM contactor is dual-rated for 36VDC or 48VDC power systems. It functions as a main contactor in electric lift truck power circuits and accommodates both voltage configurations without requiring different part numbers.
Q: What is the contact material and terminal design on this contactor?
A: The TO 00591-44170-81 features silver-plated copper contacts and threaded stud terminals. Main post terminals are supplied with Grade 8 steel nuts to ensure reliable electrical connection and corrosion resistance in material handling environments.
Q: Which Toyota electric lift truck models use the TO 00591-44170-81?
A: This contactor is designed as the main contactor for Toyota electric lift trucks with 36VDC or 48VDC power systems. Verify your truck model and voltage configuration against the OEM part number 00591-44170-81 to confirm compatibility.
Q: What is the housing construction of this contactor?
A: The TO 00591-44170-81 has an epoxy-molded housing. This construction protects internal contacts and coil windings from moisture, dust, and mechanical damage common in warehouse and material handling operations.
Q: Are there cross-reference or equivalent part numbers for the TO 00591-44170-81?
A: No cross-reference or superseded equivalents are documented for this OEM contactor. Use the exact Toyota part number 00591-44170-81 or manufacturer part number TY00591-44170-81 when ordering replacements.
Q: What should be checked if this contactor fails?
A: Verify the power circuit voltage (36VDC or 48VDC) matches the contactor rating. Check that coil voltage supply and main circuit voltage are correct. Inspect terminal connections and ground points for corrosion or loose connections before replacement.