New Holland CX8070, CX8080, CX8090 Combine Harvester Pdf Repair Service Manual (p. Nb. 87690997)

New Holland CX8070, CX8080, CX8090 Combine Harvester PDF Repair Service Manual (Publication No. 87690997)

The New Holland CX8070, CX8080 and CX8090 Combine Harvesters are built for producers and harvesting contractors who demand high grain quality, excellent crop throughput and dependable field performance. As members of the CX8000 Series, these combines combine high-capacity threshing and separation systems with advanced cleaning technology and precision electronic controls, making them suitable for harvesting wheat, barley, corn, soybeans, canola and other grain crops across a wide range of field conditions.

During harvest, major systems such as the feeder house, threshing drum, straw walkers, cleaning shoe, grain elevator, unloading auger, hydrostatic transmission and hydraulic circuits operate continuously under heavy loads. This OEM Factory Repair Service Manual (Publication No. 87690997) provides dealership-level workshop procedures for diagnosing faults, rebuilding components, making factory adjustments and verifying machine performance after repairs.

Built for Maximum Harvest Productivity

The CX8000 Series is designed to maximize harvesting efficiency while reducing grain losses. Its high-capacity threshing system separates grain effectively even in difficult crop conditions, while the large cleaning shoe and powerful fan help deliver a clean grain sample. Electronic machine monitoring allows operators to supervise harvesting performance in real time, helping maintain productivity throughout long harvesting days.

Machine Information

Factory Workshop Coverage

Professional Repair Procedures

• Diagnose hydrostatic transmission faults using factory testing procedures.
• Rebuild feeder house drive components and inspect conveyor chains for wear.
• Service threshing drum assemblies and adjust concave clearances to factory specifications.
• Repair straw walker mechanisms, bearings and crankshaft assemblies.
• Calibrate cleaning shoe sieves and fan speed for efficient grain cleaning.
• Inspect grain elevators, unloading augers and drive components for reliable grain handling.
• Repair hydraulic pumps, steering circuits and header lift systems.
• Diagnose electronic monitoring systems using factory wiring diagrams and sensor tests.
• Replace bearings, seals and drive components according to OEM service limits.
• Use exploded workshop illustrations for accurate component identification.
• Apply factory torque values, inspection standards and adjustment procedures during every repair.
• Carry out complete harvesting function tests before returning the combine to field operation.

Manual Specifications

Frequently Asked Questions

Which combine models are covered by this repair manual?

This OEM factory workshop manual covers the New Holland CX8070, CX8080 and CX8090 Combine Harvester models.

Does the manual include threshing and grain handling repairs?

Yes. It contains complete workshop procedures for servicing the feeder house, threshing drum, concave, straw walkers, cleaning shoe, grain elevators, unloading augers and related harvesting components.

Are hydrostatic transmission and hydraulic systems included?

Yes. The manual explains diagnostics, testing, overhaul and adjustment procedures for the hydrostatic transmission, hydraulic pumps, steering circuits, valves and machine hydraulic systems.

Does the manual contain electrical wiring diagrams and electronic diagnostics?

Yes. Factory wiring diagrams, sensor testing, electronic control diagnostics and troubleshooting procedures are included throughout the manual.

Who should use this workshop repair manual?

This repair manual is intended for New Holland dealership technicians, agricultural equipment workshops, commercial harvesting contractors, farm maintenance departments and experienced mechanics servicing CX8070, CX8080 and CX8090 Combine Harvesters.