New Holland CR920, CR940, CR960, CR970 Combine Pdf Repair Service Manual (p. Nb. 87600552)

New Holland CR920, CR940, CR960, CR970 Combine PDF Repair Service Manual (Publication No. 87600552)

The New Holland CR920, CR940, CR960 and CR970 Combine Harvesters were developed for professional grain producers and harvesting contractors who require exceptional crop throughput, excellent grain quality and dependable field performance. As the first generation of New Holland's CR Twin Rotor™ combines, these machines combine high-capacity crop feeding, efficient threshing and advanced grain cleaning technology to maximize harvesting productivity across a wide range of crops.

Harvesting under demanding field conditions places continuous loads on the feeder house, Twin Rotor threshing system, grain elevators, cleaning shoe, unloading system, hydrostatic drive and hydraulic circuits. This OEM Factory Repair Service Manual (Publication No. 87600552) provides dealership-level workshop procedures for inspection, diagnostics, repair, calibration, overhaul and operational testing, allowing technicians to restore factory harvesting performance with confidence.

Twin Rotor Performance for Large-Scale Harvesting

The CR900 Series introduced New Holland's Twin Rotor™ technology to deliver smooth crop flow with reduced grain damage and improved separation efficiency. Combined with a large-capacity grain handling system, hydrostatic propulsion and electronic harvesting controls, these combines are designed to maintain productivity during long harvesting days while delivering clean grain samples in changing crop conditions.

Machine Information

Factory Workshop Coverage

Professional Repair Procedures

• Overhaul Twin Rotor threshing assemblies using OEM workshop procedures.
• Inspect rotor bearings, separator components and drive assemblies for wear.
• Repair feeder house drives and adjust conveyor chain operation.
• Calibrate cleaning shoe sieves and fan settings for improved grain quality.
• Service grain elevators, unloading augers and grain tank drive systems.
• Inspect straw chopper assemblies and residue spreaders for balanced operation.
• Diagnose hydrostatic transmission performance using factory testing methods.
• Repair hydraulic pumps, steering circuits, valves and machine hydraulic systems.
• Troubleshoot electrical faults using factory wiring diagrams and diagnostic procedures.
• Use exploded technical illustrations for accurate component identification.
• Apply factory torque values and adjustment specifications throughout every repair.
• Carry out complete harvesting performance tests before returning the combine to field operation.

Manual Specifications

Frequently Asked Questions

Which combine harvester models are covered by this repair manual?

This OEM factory workshop manual covers the New Holland CR920, CR940, CR960 and CR970 Combine Harvester models.

Does the manual include Twin Rotor™ threshing system repairs?

Yes. It includes complete procedures for servicing the Twin Rotor threshing and separation system, rotor assemblies, feeder house and associated harvesting components.

Are grain handling and cleaning systems covered?

Yes. The manual explains repairs for grain elevators, unloading augers, cleaning shoe assemblies, sieves, fan systems and residue management components.

Does the manual include hydraulic and electrical diagnostics?

Yes. Factory wiring diagrams, hydraulic schematics, electronic troubleshooting procedures, sensor diagnostics and machine control information are included.

Who should use this workshop repair manual?

This manual is intended for New Holland dealership technicians, agricultural equipment workshops, commercial harvesting contractors, farm maintenance departments and experienced mechanics servicing CR920, CR940, CR960 and CR970 Combine Harvesters.