Case Dozer Wiring Harness

Case Dozer Wiring Harness parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	850E, 850G (Before Serial Number JJG0254015)	Engine Wiring Harness (New OEM)		255899A1	$560.00	View Info

Replacement engine wiring harnesses for Case crawler dozers, covering harness assemblies that route electrical connections to the engine, sensors, and starting components on 850E and 850G machines.

Fits Models At A Glance

850 Series: 850E, 850G (before serial number JJG0254015)

Key Notes

Application: Engine wiring harness that connects engine electrical components and sensors
Fitment: Serial number specific on 850G, confirm break point before ordering
Condition: Replacement harness for damaged, corroded, or brittle wiring
Reference: Match by part number 255899A1 for correct routing and connectors

Why Choose Broken Tractor

✅ Correct harness routing verified against model fitment
✅ Fast shipping from two US locations
✅ Knowledgeable team to confirm serial number breaks

Frequently Asked Questions

Does this wiring harness fit a Case 850G dozer?

Yes, this engine wiring harness fits the Case 850G, but only machines before serial number JJG0254015. It also fits the 850E. Check your serial number plate before ordering to confirm the correct break point.

What does the engine wiring harness on a Case 850E do?

The engine wiring harness routes electrical connections between the engine, sensors, and starting components. It carries the wiring that ties these systems together so signals and power reach the right parts.

Should I replace or repair a Case dozer wiring harness?

If the harness has widespread corrosion, brittle insulation, or melted sections, full replacement is usually the better choice over patching individual wires. A complete harness restores the original connectors and routing. If you are unsure which harness matches your machine, call our parts team at (800) 909-7060.

How do I confirm the correct harness for my Case dozer?

Match by the part number 255899A1 and confirm your serial number against the JJG0254015 break point. Case changed harness configurations across production, so the serial number determines the correct fit.