John Deere 975, 975HY/4 Combines Parts Manual (PC4180)

John Deere 975, 975HY-4 Combines Parts Catalog (PC4180)

This genuine parts catalog provides a complete breakdown of components for John Deere 975 and 975HY/4 Combines. Structured with precise diagrams, assemblies, and exploded views, the manual covers internal engine assemblies, transmission systems, hydraulic circuits, cleaning systems, threshing and separation units, cab equipment, and harvesting modules. A valuable reference for ordering original replacement parts and conducting accurate mechanical servicing.

Model Covers:

John Deere 975 Combine
John Deere 975HY/4 Combine

File Format: PDF

Size: 17.58 MB

No. of pages: 789

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Included Sections:

Engine and Cooling System

• Short block assembly, cylinder head, pistons, crankshaft
• Oil pump, radiator, fan drive, rotary screen, oil cooler
• Turbocharger, muffler, pre-cleaners, and exhaust manifold

Fuel and Electrical Systems

• Fuel tank, transfer pump, filters, injection system
• Alternators, starting motors, dashboard wiring, gauges
• Lighting systems, warning lights, fuses, and battery mounts

Hydrostatic and Transmission Drive

• Hydrostatic pumps, motors, charge pumps, oil reservoirs
• Transmission gears, clutches, final drive housing
• Drive shafts, steering systems, brake cylinders, V-drives

Hydraulics and Controls

• Lift cylinders, auger swing cylinders, steering cylinders
• Hydraulic lines for reel drive, clutch, brakes, platform
• Control valves, accumulator, spool blocks, connection kits

Cabin, Operator Platform, and AC

• Standard and air-conditioned cab variations with fan, heater, compressor
• Operator seat, control levers, windshield, indicators, sunroof
• Doors, wipers, handrails, instrument panels, HVAC filters

Feeder, Separator, and Threshing System

• Feeder conveyor housing, chains, drive shaft, quick couplers
• Concave, rasp bar cylinder, beater, variable speed pulleys
• Cross shaker, finger grate, straw walker, and gear drives

Cleaning and Grain Handling

• Grain tank assemblies, tailings and clean grain augers
• Elevators, return pans, chaffer boards, fan housing
• Hydraulic unloading auger and swivel auger assemblies

Body Panels and Structural Components

• Side panels, guards, ladders, access doors, tool boxes
• Fan covers, axle brackets, drawbars, rear and front frame
• Painted guards, straw spreader blades, and support plates

This John Deere 975, 975HY/4 Combines Parts Catalog is an essential reference for workshop service teams and combine owners seeking accurate identification of original components for maintenance and restoration.