Excavator Engine Parts

144-7871 18 AWG Transmission Speed Sensor Harness for CAT D6R D7R

Q: What numbers are documented for 144-7871?

Primary Equipment Part Number: 144-7871. Formatted Alias: 1447871. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 144-7871 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

144-7871 18 AWG Transmission Speed Sensor Harness for CAT D6R D7R, OEM/reference 144-7871, 18 AWG Transmission Speed Sensor Harness, product view 1

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OEM / reference144-7871

Specification18 AWG Transmission Speed Sensor Harness

Catalog ID69532524

CAT 144-7871 18 AWG transmission-speed-sensor harness for documented D6R, D6R II, D7R, D7R II, D8R II and 572R applications. It connects the transmission hydraulic-control and selector-valve circuit. Confirm the full number, branch count, connector keying and machine serial range.

Product Type: Transmission Speed Sensor Wiring Harness
Product Brand: EexcavaStart
Wire Size: 18 AWG - manufacturer listing
Circuit: Transmission hydraulic control and selector valve

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	CAT transmission harness	144-7871
Formatted Alias	Unhyphenated search format	1447871

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

144-7871

Formatting alias

1447871

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

18 AWG Transmission Speed Sensor Harness

Category: Excavator Engine Parts
Catalog ID: 69532524
Photo views: 6

Before ordering

Confirm these details

Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with the product photos.
Confirm the exact machine or engine model and serial range before ordering.

Machine fitment

Compatible model references

3 model references

Track-type tractor: D6R / D6R II / D7R / D7R II / D8R II
Pipelayer: 572R
Fitment limitation: Confirm 144-7871, machine serial prefix, connector keying, branch count and harness routing

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 144-7871

Which machines use 144-7871?

Recorded compatible model references include Track-type tractor: D6R / D6R II / D7R / D7R II / D8R II, Pipelayer: 572R, Fitment limitation: Confirm 144-7871, machine serial prefix, connector keying, branch count and harness routing. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 144-7871?

Formatting aliases for the same number: 1447871.

How do I confirm 144-7871 before ordering?

Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.

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