Need the right part number for your 2001 New Holland 8770A? This 468-page New Holland 8770A parts catalog PDF covers the 8770A and 8770A 6 CYL AG tractors, exploded view by exploded view. You get complete parts breakdowns for the Powershift transmission clutch packs, Megaflow and standard hydraulics, FWD front axle, PTO clutch, cab, and air brake system, each figure keyed to factory part numbers. Chasing an electrical gremlin? Every harness assembly is here: main front, transmission, cab roof, plus full connector lists. Match your remote valve stack (3, 4, or 5 section assemblies) and tell the 4-inch lift cylinder from the 4-1/2 before you order. Buying the wrong part twice kills a whole week. Bookmarked with a real text layer; type the part name, jump to the figure, order once.
What's Inside This Ford New Holland 8770A, 8770A 6 CYL AG Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Fuel Tank & Related Parts, Upper Fuel Tank & Related Parts, Fuel System W/ "a" Injection Pump, Air Cleaner & Related Parts, Filter & Primer Assembly, Fuel | |
| Cooling System | Brake Cooling, Radiator & Related Parts, Water Pump & Thermostat Housing, Fan Belt & Related Parts | |
| Engine | Piston Pump Assembly, Engine Assembly, Cylinder Block, Head & Related Parts, Crankshaft, Flywheel & Related Parts, Camshaft, Rocker Arm, Valves & Related Parts, Oil Pump & Oil Pan, Oil Cooler Assembly & Related Parts, Piston & Connecting Rod, Gasket Kits, Oil Cooler Tubes & Related Parts, Intercooler, Oil Cooler & Related Parts, Engine Coolant Heater Kit & Transmission Coolant Heater Kit | |
| Electrical System | Harness, Air Brakes, Potentiometer, Main Front, Harness Assembly, Front Lights & Horn, Transmission & Rear Hydraulics, Cab, Lower, Front Console, Upper, RH Console, Cab Roof, Trailer Brakes, Front Worklamps, Worklamps, Front & Rear, Rear, Fender & Center, Flasher Lamp, U.S., Lamp Assembly, Stop/tail/turn | |
| Clutch & Transmission | Front Wheel Drive Clutch & Related Parts, Transmission Housing & Related Parts, Input Shaft & Clutches, Speed Clutch Assembly - 2/A, Speed Clutch Assembly - 1/C, Speed Clutch Assembly - 3/B, Directional Clutch Assembly - F2, Directional Clutch Assembly - F1 & Reverse, Shift Lever Control, PTO Clutch, Valve & Related Parts, PTO Clutch Housing, Transmission Assembly - W/creeper, Creeper Valve Assembly | |
| PTO | PTO Drive Gears & Output Shaft, PTO Valve Assembly, Hydraulic & PTO Decals | |
| Rear Axle, Differential & Brakes | Rear Wheels, Rear Wheel Weights, Brake Pedals & Related Parts, Brake Tubing & Related Parts, Brake Master Cylinder, Parking Brake, Parking Brake Controls, Brake Lever Assembly, Valve Assembly, Trailer Brake, Tubing & Hoses, Trailer Brakes, Trailer Brake Coupling, Valve & Related Parts, Italy Only, Compressor Pulley & Tank - Air Brakes, Compressor Mounting - Air Brakes, Tubing - Air Brakes, Unloader Valve & Guard - Air Brakes | |
| Front Axle & Steering | Front Wheels, Front Axle, Adjustable 2WD, Tie Rod & Steering Linkage - 2WD, Steering Cylinder - 2WD, Swivel Housing & Steering Cylinder, Wheel Hub & Reduction Gear, Tie Rod Assembly, FWD, Drive Shafts & Shields - FWD, Steering Hydraulics & Related Parts, Steering Motor Assembly, Steering Support, Standard Steer, Super Steer, Steering Column & Related Parts | |
| Hydraulics & 3-Point Hitch | Priority Valve Assembly, Standard Hydraulic Pump Drive & Related Parts, Megaflow Hydraulic Pump Drive & Related Parts, Gear Pump Assembly, Standard Hydraulics, Low Pressure, Suction Components, Remote Tubing, Megaflow Hydraulics, Low Pressure Components, Lift Cylinder Hydraulics, Lift Arms & Related Parts, Lift Cylinder Assembly 4-1/2", Lift Cylinder Assembly 4", Lift Arm Ends, Couplers & Related Parts | |
| Loader, Backhoe & Attachments | Quick Attach Hitch, Lower Link Stabilizer Mounting - Nh-E, Lower Link Stabilizer - Nh-E | |
| Body & Operator Station | Seat Cushions & Related Parts, Seat Swivel, Slide Rails & Related Parts, Seat Suspension, Hood & Related Parts, Front Fenders, Rear Fenders, Cab Assembly, Floor Covers, Cab Mounts & Related Parts, Step Group - Nhna, Step Group - Nh-E, R.H. Console Frame & Trim, Bracket Air Conditioning Compressor | |
| Decals & Accessories | Tool Box Assembly, Decals, I.d., French Warning Decals, Dealer Installed Accessories | |
| Other Components | Front Weights & Related Parts, Axle Housing, Bevel Gear/pinion Set, Differential - Lockable, Differential - Limited Slip, Double Joint, High Pressure Components, Lift Link Assembly, Lift Link, Lower, Upper Link Assembly, Hpl Control, Block Plugs, Manifold & Related Parts, Exhaust System, Turbocharger & Related Parts, Inching Pedal & Related Parts |
Ford New Holland 8770A, 8770A 6 CYL AG Common Problems This Manual Covers
New Holland 8770A differential lock switch part number lookup, Terralock will not engage properly
Check the parts number list and search under the differential lock controls. Verify the switch against your serial number range before ordering; the Terralock and standard lock switches look nearly identical but wire differently. Measure the connector pin spacing in millimeters and compare it to the exploded view callouts to confirm fitment.
Manual Section: Electrical SystemCan't identify the correct low pressure hydraulic filter and cooler bypass parts
Check the hydraulic parts diagram for the low pressure circuit exploded view. Match your filter housing casting number to the figure callout, then pull the filter and cooler bypass part numbers from that same figure. Measure the old filter's thread size in millimeters before ordering to rule out a mid-production housing change.
Manual Section: Hydraulic SystemNeed replacement transmission speed sensor part number, listings show several superseded numbers
Check the drivetrain parts diagram and locate the speed sensor callout on the transmission housing. Record the full supersession chain shown in the listing and order only the newest number. Verify the sensor thread diameter in millimeters against your old unit; 70A series sensors interchange only within matching serial number ranges.
Manual Section: TransmissionDIA kit superseded part numbers, not sure which electronic control kit fits
Check the parts number list for the DIA kit entry and write down every superseded number shown. Order the latest supersession only; earlier kits ship with the old style connectors. Verify your serial number falls inside the listed range, then measure the harness plug width in millimeters to confirm the connector generation matches.
Manual Section: Electrical SystemEngine oil pump and oil pan gasket part numbers unclear, oil leaking underneath
Check the engine parts diagram covering the cylinder block, oil pump, and oil pan. Identify the pan gasket by its exploded view callout number, not the written description, since block and pan gaskets sit side by side in the list. Measure your pan bolt spacing in millimeters and convert it with the metric to inches table on page 467 if your calipers read imperial.
Manual Section: Engine AssemblyFrequently Asked Questions
What is the torque specification for the cylinder head bolts on the New Holland 8770A engine?
The cylinder head bolts for the New Holland 8770A engine are specified as 9/16"-12 x 130mm, with a quantity of 19 bolts required per engine. p. 181
What is the part number for the engine oil filter on the New Holland 8770A?
The engine oil filter for the New Holland 8770A is part number 86605897. p. 181
What is the part number for the cab air filter on the New Holland 8770A?
The cab air filter for the New Holland 8770A is part number 9823782. p. 366
What is the part number for the main transmission fuse on the New Holland 8770A?
The main transmission fuse for the New Holland 8770A is a 40 Amp fuse, part number 86507935. p. 333
What is the part number for the starter motor assembly on the New Holland 8770A?
The starter motor assembly for the New Holland 8770A is part number 9842667. p. 321
Is this Ford New Holland 8770A Parts Catalog a digital download?
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.
Does this Ford New Holland 8770A manual allow printing?
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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