Product Description
Caterpillar Key Switch (CT NA013890): OEM electric ignition key switch for select CAT electric lift trucks and industrial equipment; replaces part numbers NA013888, NA013889, NA10017, and 1055276; features keyed on-off operation. Dimensional envelope: 58.7 mm height by 45.6 mm width.
Specifications
Compatibility
| Equipment Models | Fits Caterpillar 120H NA, 135H NA, 140H NA, 160H NA, 163H NA series |
Part Numbers
| OEM Part Number | CT NA013890 |
| Cross-Reference Part Numbers | Supersedes NA013888, NA013889, NA10017; replaces 1055276 |
Frequently Asked Questions
Q: What equipment models does the CT NA013890 key switch fit?
A: The CT NA013890 fits Caterpillar 120H NA, 135H NA, 140H NA, 160H NA, and 163H NA series electric lift trucks. Verify your specific model serial range before ordering.
Q: What are the cross-reference part numbers for CT NA013890?
A: CT NA013890 supersedes NA013888 and NA013889. It also replaces NA10017 and 1055276 on older equipment variants. Check your OEM documentation to confirm the correct interchange.
Q: What are the physical dimensions of this key switch?
A: The CT NA013890 measures 58.7 mm in height and 45.6 mm in width. Verify clearance in your housing cavity before installation.
Q: Is CT NA013890 an OEM Caterpillar part?
A: Yes. CT NA013890 is an original equipment manufacturer ignition key switch designed for Caterpillar electric lift trucks. It features keyed on-off operation for secure equipment control.
Q: How long does a key switch typically last in service?
A: Lifespan depends on use frequency and environmental conditions. Corrosion, moisture ingress, or wear on the keyed mechanism reduces service life. Replace immediately if the switch does not hold position or engages intermittently.