Product Description
Yale OEM Woodruff Key (Drive Motor Armature), SKU YL 016247100. Precision-machined per ANSI B17.2, SAE 1045 carbon steel. Designed for securing motor armatures in Yale MPB040AC electric lift truck applications. Keyway profile: Woodruff standard. Nominal dimensions: 0.1875 inch width × 0.625 inch diameter. Cross-reference: 16247100, 016247100, YT016247100.
Compatibility: Fits pallet jacks made by Yale, model MPB040AC. SKU: YL 016247100
Specifications
Mechanical Specifications
| Material Specification | Carbon steel, SAE 1045 |
| Finish | Plain carbon steel, uncoated |
Part Numbers & Compatibility
| OEM Part Number | YL 016247100 |
| Compatible Models | Yale MPB040AC Electric Pallet Jack |
| Equivalent Part Numbers | 16247100, 016247100, YT016247100 |
| Cross-Reference Part Numbers | 16247100, 016247100, YT016247100 |
Frequently Asked Questions
Q: What is the YL 016247100 Woodruff key and what does it do?
A: The YL 016247100 is a precision Woodruff key manufactured per ANSI B17.2 standard from SAE 1045 carbon steel. It secures the drive motor armature to the motor shaft in Yale MPB040AC electric pallet jacks, preventing rotational slipping.
Q: What are the dimensions and keyway specifications?
A: Nominal dimensions are 0.1875 inch width and 0.625 inch diameter with a Woodruff standard keyway profile. These dimensions are engineered specifically for Yale MPB040AC motor applications.
Q: What cross-reference part numbers are equivalent to YL 016247100?
A: Equivalent part numbers include 16247100, 016247100, and YT016247100. These are alternate reference formats for the same Yale OEM component.
Q: What material is this key and how durable is it?
A: The YL 016247100 is machined from SAE 1045 carbon steel in plain uncoated finish. This material provides high shear strength for secure armature retention in continuous-duty lift truck motors.
Q: Which Yale models use this Woodruff key?
A: The YL 016247100 is designed for Yale pallet jacks with model designation MPB040AC. Verify your equipment model and motor type match before ordering.
Q: How do I know if this key is damaged and needs replacement?
A: Replace the key if the motor exhibits slippage, will not engage drive function, or if you observe visible shearing or deformation on the key surface. A failed key compromises lift truck motor performance.