Need the exact replacement numbers for your 2001 6-cylinder AG tractor? This 468-page New Holland 8870A parts catalog PDF breaks down every single component, from the Megaflow hydraulic pump drive to the complete cab assembly. You get clear, exploded-view diagrams for the entire machine, ensuring you order the correct hardware the first time. Open to the engine section to find full breakdowns of the turbocharger, camshaft, and oil cooler, complete with cross-referenced OEM part numbers. Verify the exact factory part number for the 4-1/2 inch lift cylinder assembly, or check the specific fittings needed for the 5-section remote control valve. Stop guessing at part numbers and waiting days for the wrong components to arrive. Download this bookmarked file directly to your tablet, find what you need, and get your order right.
What's Inside This New Holland 8870A, 8870A 6 CYL AG Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Fuel Tank, Upper Fuel Tank, Fuel System W/ "P" Injection Pump, Air Cleaner, Filter & Primer | |
| Cooling System | Brake Cooling, Radiator, Water Pump & Thermostat Housing, Fan Belt | |
| Engine | Piston Pump, Crankshaft, Camshaft, Oil Pump & Oil Pan, Oil Cooler, Piston & Connecting Rod, Gasket Kits | |
| Electrical System | Harness, Potentiometer, Front Worklamps, Worklamps, Flasher Lamp, Lamp, Front Headlamps & Horn, Front Headlamps | |
| Clutch & Transmission | Front Wheel Drive Clutch, Transmission Housing, Input Shaft & Clutches, Speed Clutch, Directional Clutch, Shift Lever Control, PTO Clutch, PTO Clutch Housing | |
| PTO | PTO Drive Gears & Output Shaft, PTO Valve, Hydraulic & PTO Decals | |
| Rear Axle, Differential & Brakes | Rear Wheels, Rear Wheels (Dual Wheels), Rear Wheel Weights, Brake Pedals, Brake Tubing, Brake Master Cylinder, Parking Brake, Parking Brake Controls | |
| Front Axle & Steering | Front Wheels, Front Axle, Tie Rod & Steering Linkage, Steering Cylinder, Swivel Housing & Steering Cylinder, Tie Rod, Steering Hydraulics, Steering Motor | |
| Hydraulics & 3-Point Hitch | Priority Valve, Standard Hydraulic Pump Drive, Megaflow Hydraulic Pump Drive, Gear Pump, Standard Hydraulics, Megaflow Hydraulics, Lift Cylinder Hydraulics, Lift Arms | |
| Body & Operator Station | Seat Cushions, Seat Swivel, Seat Suspension, Hood, Front Fenders, Rear Fenders, Cab, Floor Covers | |
| Decals & Accessories | Tool Box, Decals, French (Canada) Warning Decals, Dealer Installed Accessories | |
| Other Components | Front Weights, Axle Housing, Bevel Gear/Pinion Set, Differential, Double Joint, Wheel Hub & Reduction Gear, Drive Shafts & Shields, High Pressure Components |
New Holland 8870A, 8870A 6 CYL AG Common Problems This Manual Covers
New Holland 8870A 6 CYL AG engine block leaking coolant and cannot find the freeze plug part number
Inspect the Engine Parts Diagram to locate the cylinder block components. Find the freeze plug in the exploded view and write down its part number. Check the conversion chart on page 467 to verify the 1 inch (25.4 mm) diameter size before ordering the replacement.
Manual Section: Engine AssemblyFront axle tie rod ends are worn out and cannot locate the exact replacement part numbers for ordering
Review the front axle and steering linkage exploded view. Locate the tie rod ends in the diagram to get the correct part number. Verify the stud length using the metric to inches guide on page 467 for a 0.5 inch (12.7 mm) measurement.
Manual Section: Front Axle and SteeringAir brake compressor unloader valve is leaking air and missing the complete rebuild seal kit part number
Check the air brake system parts list for the compressor unloader valve assembly. Cross-reference the diagram to find the specific seal kit part number. Measure the air line outer diameter and confirm the 0.25 inch (6.35 mm) fitting size using the conversion table on page 467.
Manual Section: Air Brake SystemTransmission housing gasket failed and cannot identify the exact replacement part number in the exploded view
Examine the Drivetrain Parts Diagram to find the transmission housing components. Identify the housing gasket in the exploded view and record the exact part number. Confirm your hardware bolt lengths using the metric to inches conversion table on page 467 for 2 inch (50.8 mm) bolts.
Manual Section: TransmissionFrequently Asked Questions
What are the recommended service intervals for the tractor?
The tractor requires routine service every 10 hours or daily, and more comprehensive service every 50 hours. Additionally, there is a major service interval at 300 hours as specified in the operator's manual. p. 413
What is the part number and quantity for the cylinder head bolts?
The cylinder head bolts (part number 87802206) are used for the cylinder head assembly. There are 19 bolts required for this assembly. p. 181
What is the part number and quantity for the main bearing cap bolts?
The main bearing cap bolts (part number 87801692) are used to secure the crankshaft bearing caps. There are 14 of these bolts required for the engine block assembly. p. 181
What is the part number and quantity for the flywheel bolts?
The flywheel bolts (part number 83909956) are used to secure the flywheel to the crankshaft. There are 8 bolts required for this assembly. p. 186
What is the part number and quantity for the connecting rod bolts?
The connecting rod bolts (part number 87802307) are used to secure the connecting rod caps. There are 12 bolts required for the engine assembly. p. 200
What do I get after purchasing this New Holland 8870A, 8870A 6 CYL AG manual?
You get a 468-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Am I able to print pages from this New Holland 8870A, 8870A 6 CYL AG manual?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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