New Holland CR6.80, CR6.90, CR7.90, CR8.90, CR9.90 Tier 4B Combine Service Manual

Original price was: $2,128.65.Current price is: $129.10.

Covers: New Holland CR6.80, CR6.90, CR7.90, CR8.90, CR9.90 Combine

  • North America
  • Tier 4B
  • Please contact us with serial number to verify compatibility

Type: Service Manual
Language: English
Pages: 6,584
Format: PDF
File size: 410mb
Features: Bookmarked, searchable, printable
Compatibility: Windows/Mac/Tablet/Mobile

This service manual contains important information for the maintenance, troubleshooting and servicing of the New Holland CR6.80, CR6.90, CR7.90, CR8.90, CR9.90 T4B Combine. In this manual you will find detailed specifications, illustrations, diagrams and step-by-step procedures to properly service the machine to the manufacturer’s standards. View this manual on your computer or print off pages as needed.

Please note the F2/F3 engine repair manual is sold separately.


Engine and crankcase (installation/removal only)
Air cleaners and lines
Engine lubrication system
Engine cooling system
Fan and drive
Rotary screen
Selective Catalytic Reduction (SCR) exhaust treatment

Main gearbox and drive

Mechanical transmission
Mechanical transmission external controls
Gearbox internal components

Powered front axle
Final drive hub, steering knuckles, and shafts
Final drives

Powered rear axle
Final drive hub, steering knuckles, and shafts

Transmission and steering hydrostatic control

Two-speed assembly
Hydrostatic transmission
Reservoir, cooler, and lines
Pump and motor components
Rear hydrostatic transmission

Parking brake or parking lock
Hydraulic service brakes

Hydraulic systems
Pump control valves
Variable displacement pump
Auxiliary hydraulic pump and lines
Reservoir, cooler, and filters
Main control valve
Header or attachment height system
Grain tank unload system
Traction variator system
Reel control system
Crop processor system
Header or attachment leveling system
Header reverser drive
Chaff spreader control

Pneumatic system

Steering control
Hydraulic control components

Autoguidance steering

Track frame and driving wheels
Track tension units
Track rollers

Air conditioning

Electrical system
Heating, Ventilation, and Air-Conditioning (HVAC) control system
Harnesses and connectors
Engine starting system
Warning indicators, alarms, and instruments
Feeding control system
Cleaning control system
Harvest material flow control system
Ground speed control
Residue handling control
Electronic modules
Header height control
Reel speed and position control

Shaker shoe leveling system control
Precision farming system
Selective Catalytic Reduction (SCR) electrical system

Floating roll, feed chain, and drive
Feeder housing
Stone trapping system
Feeder housing shafts
Feeder drive system

Concave conveyor plate
Concave control system
Threshing mechanism drive system
Drum/Rotor variator with electrical control
Drum/Rotor housing

Straw walkers and shafts
Straw walker drive system
Discharge beater
Rotary separator

Straw chopper drive system
Straw chopper frame

Straw chopper
Positive Straw Discharge (PSD)
Chaff spreader
Opti-Spread system

Self-leveling frame
Cleaning drive systems
Grain pan
Upper shaker shoe
Lower shaker shoe
Fan housing
Fan drive system
Tailings return system

Clean grain elevator
Grain tank
Grain tank unload drive system
Grain tank unload

Engine hood and panels
Machine shields and guards
Protections and footboards
Pneumatically-adjusted operator seat
Cab interior

Electrical Schematic (Large)
Hydraulic/Hydrostatic Schematic (Large)

Please note this manual is in downloadable PDF format only. If you have any questions about this product or would like to request sample pages, please contact us and reference the product name or SKU.

SKU: NH-CR68T4BNA-SM Category: Tag: