Product Description
Toyota OEM spring (part number TO 00590-42422-71) for electric lift truck control handle return; manufactured from high-carbon spring steel, right-hand wound helical compression design. Mechanical free length 3.75 in, compressed length 3.25 in, outer diameter 0.625 in, wire diameter 0.080 in. Designed for Toyota 7HBW23, 8BWS10, 8BWS13, and related models.
Compatibility: Fits pallet jacks made by Toyota, model 7HBW23. SKU: TO 00590-42422-71
Specifications
Compatibility
| Compatible Models | Toyota electric pallet truck 7HBW23, 8BWS10, 8BWS13 and similar series |
Material & Construction
| Material Specification | SAE 1070-1090 high carbon spring steel |
| Hardness | Rockwell C41-47 |
Part Numbers
| OEM Part Number | 00590-42422-71 |
| Manufacturer Part Number | TO 00590-42422-71 |
Frequently Asked Questions
Q: What are the mechanical specifications of this Toyota control handle spring?
A: This spring has a mechanical free length of 3.75 inches, compressed length of 3.25 inches, outer diameter of 0.625 inches, and wire diameter of 0.080 inches. It is a right-hand wound helical compression design manufactured from SAE 1070-1090 high-carbon spring steel with Rockwell hardness C41-47.
Q: Which Toyota models use this spring, and are there cross-references?
A: This spring fits Toyota electric pallet truck models 7HBW23, 8BWS10, 8BWS13, and similar series. Cross-reference using OEM part number 00590-42422-71 or manufacturer part number TO 00590-42422-71.
Q: Why is high-carbon spring steel used for this component?
A: High-carbon spring steel (SAE 1070-1090) with Rockwell hardness C41-47 provides superior fatigue resistance and maintains tension through thousands of handle cycles. This material prevents loss of spring force and ensures consistent operator feedback over the equipment lifespan.
Q: What is the typical lifespan of this spring under normal operation?
A: A properly installed high-carbon spring typically provides 3 to 5 years of service life. Failure is accelerated by rough handling, contamination (dirt/moisture), or exceeding designed load cycles. If the handle feels loose or returns slowly, replace the spring.