Part of the New Holland Parts Manuals.
Looking for a Ford 2600 parts catalog PDF that covers the whole 1975-1978 lineup? This 516-page Ford Parts Catalog identifies every component on your 2600, 3900, 4100, 4600, 5600, 5700, 6600, 6700, 7600, 7700, 335, 420, 515, 532, 535, 231, 233, 333, 531, plus the SU and C variants of these tractor loader backhoes. You get exploded views with numbered callouts for the engine, torque converter and 8-speed transmissions, steering gear, hydraulic lift, and electrical system, each keyed to factory Ford part numbers. Full parts lists run from differential lock linkage to cab mounting hardware. Need the right lift hose? The single-spool lift and drop assembly runs 30-1/4 inches (768.35mm); order by number, not by eyeball. No more squinting at a corroded casting hoping the dealer guesses right. Bookmarked with a live text layer: type the part name, land on the page, write down the number.
What's Inside This Ford New Holland 420 Tractor Loader Backhoe Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Distributor Drive & Governor Assembly, Diesel, W/rotor Injection Pump - Except, Gasoline, Single Fuel Filter, Dual Fuel Filter Assembly, Air Cleaner Assembly, Dry Type, Throttle & Foot Accelerator Controls, Fuel Injection Pump, Rotor - Except, Fuel Injector Assembly - Diesel, Carburetor Assembly, Holley, Fuel Pump Assembly, Electric Fuel Pump, Fuel Filter Kit, Accessory, All Tractors, Nhna | |
| Cooling System | Radiator & Related Parts, Water Pump & Related Parts | |
| Engine | Cylinder Block, Head & Related Parts, Gasoline, Cylinder, Diesel, Engine Block Kit, Stepped Stud, Crankshaft, Flywheel & Related Parts, Cylinder Engine, Camshaft, Rocker Arm, Valves & Related Parts, Pistons & Connecting Rods, Diesel - Except, Oil Pump & Pan, Manifold & Exhaust System, Engine Gasket Kits, 3-Cylinder Gasoline & Diesel, Torque Converter Transmission - Oil Distributor, Oil Pump & Related Parts, Hydraulic Pump Assemblies, Engine Mounted, Piston Type, Engine Hood, Grille & Related Parts, Nhna, Lubrication Equipment, Accessory, Engine Coolant Heater Kits | |
| Electrical System | Headlamp Assembly, Nhna, Front Mounted, Head & Utility Lamps, Fender or Cab Mounted - Except, Front Mounted Ece, Nh-E - Except, Side Mounted Headlamps, Duplo, Nh-E, Side Mounted Headlamp Assembly, Rear Wiring, W/flat Top Fenders, W/stop Lamps & Flashers, Rear Lamps, W/Cab, Flasher Lamps & Turn Signal, Stop & Flasher, W/flat Fenders, L/Cab, Nh-E & Nhna Imports, Parking Lamps, Side & Flasher, Lamp Assembly, Parking, Stop, W/wide Fenders, Parking & Rear Lamps, Italy, Emergency Warning | |
| Clutch & Transmission | Transmission Handbrake, Torque Converter Transmission - Case, Shift Lever & Related Parts, Torque Converter Transmission - Clutch & Gears, Torque Converter Transmission - Control Lever, Torque Converter Transmission - Filter & Cooler Tube Nh-E, Nhna, Manual Reversing Transmission - Gears & Related Parts, Power Take-Off Assembly, W/8-speed & Manual Reversing Transmission, Clutch Controls, Single Clutch Assembly, 13", Reduction Gear Box Assembly, Cylinder, Transmission Shift Pattern Decals, Nh-E | |
| PTO | Independent Power Take-Off Assembly, W/7 & 8-Speed & Manual Reversing, PTO Guard Kit & Assembly, Accessory, PTO Gear Housing & Pulley W/guard | |
| Rear Axle, Differential & Brakes | Rear Wheels, Standard, Rear Wheel Weights, 24", Accessory, Manual Adjust, Brakes & Brake Controls, Handbrake Lever & Cable, W/Cab, 4-76/; W/ or L/Cab, 8-76/, Rear Axle, Differential & Related Parts, Differential Lock Linkage | |
| Front Axle & Steering | Front Wheel Assembly, Front Wheel Weights, Accessory, Front Axle, Steering & Related Parts, Nh-E, Nhna, Steering Gear Assy., Steering Pump & Reservoir, Power, Except, Steering Cylinder | |
| Hydraulics & 3-Point Hitch | Hydraulic Lift Cover & Related Parts, Hydraulic Lift Shaft & Related Parts, Hydraulic Lift Cylinder & Related Parts, Flow Control Valve Assemblies, Hydraulic Lift Linkage, Swinging Drawbar, Hanger & Related Parts, Remote Control Valve O-Ring Kit, Hydraulics, Remote Control Valves, Single & Double Spool, Remote Control Valve Handles, W/Cab - Except, Remote Cylinder Coupling Kits, Double Acting, Accessory, Automatic Pick-Up Hitch & Swinging Drawbar Kits, Nh-E, Throttle Controls & Related Parts, Diesel, Cylinder, Hydraulic Pumps, Mounted in Center Housing, Gear Type, Hydraulic Remote Control Cylinder Assembly, Nhna, Drawbar Towing Pin & Clip Kit | |
| Loader, Backhoe & Attachments | Stabilizer Kit, Accessory, Quick Attach Hitch - Series | |
| Body & Operator Station | Super Comfort Seat Assembly, Steel Pan Seat & Related Parts, Deluxe Seat, Seat, Reversible, Crown Fenders, Platform, Tool Box & Related Parts, Flat Top Fenders, Nhna, Industrial Cab Mounting Parts & Lower Panels, Nh-E, Radio & Related Parts, Cab Mounted | |
| Decals & Accessories | Front End Weights, Accessory, Front End Wafer Weights, Identification Decals, Identification Decals & Plates, Identification Decal Kits, Decals, Instruction, Safety, Nh-E, Nhna, Kit, Tools, Safety Emblem Parts | |
| Other Components | Center Housing & Related Parts, Pipe & Coupling Kits, Single & Double Acting, Manifold & Exhaust System, Gasoline, Throttle Controls & Related Parts, Diesel Cold Start, Electrical System, Nh-E, Starting Motor & Related Parts, Diesel, 5" Dia., Starting Motor Assembly, Distributor & Related Parts, Distributor Assembly, Trailer Sockets, Pole/7 Pole, Instrument Cluster Assembly & Related Parts - Except, Reflectors & Related Parts, Nhna, Windshield Washer |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hose Assy., Lift & Drop | 30-1/4 inches (768.35mm) | p. 91 |
| Hose Assy., Lift | 17-1/4 inches (438.15mm) | p. 91 |
| Filter, Engine Oil, Spin-on | 1 quart | p. 101 |
| Filter Assy., Oil, Spin-on | 1 quart | p. 101 |
| Regulating Valve, Lower Within 10 PSI | 10 PSI | p. 142 |
| Regulating Valve, Lower High Within 10 PSI | 10 PSI | p. 142 |
| Pump Assy., 5.6 G.P.M. | 5.6 G.P.M. | p. 251 |
| Body Assy., Piston, Part of 5.6 G.P.M. Pump | 5/8 inch, 15.875mm | p. 251 |
| Radiator Cap Pressure | 7 lbs | p. 186 |
| Radiator Cap Pressure (Tropical) | 13 lbs | p. 186 |
| Engine Oil Filter Capacity | 1 quart | p. 101 |
| Hydraulic Pump Pressure (5.6 G.P.M. Pump) | 2500 PSI | p. 492 |
Ford New Holland 420 Tractor Loader Backhoe Common Problems This Manual Covers
Ford 4600 backhoe loader 5.6 GPM hydraulic pump worn out, need piston and seal kit part numbers
Check the hydraulic pump parts list on page 251. The 5.6 G.P.M. pump takes six NCA615C pistons, 5/8 inch (15.875mm) diameter, six NCA861B piston springs, and 354872S valve balls, 11/32 inch diameter, at both inlet and outlet seats. Order housing O-ring 87046S94, 1.312 inch ID by .103 inch thick, with the rebuild parts.
Manual Section: 79 p. 251Tractor won't move with engine running, need torque converter and transmission oil pump part numbers
Check the torque converter and oil distributor exploded view on page 424, then the transmission oil pump breakdown on page 428. For pressure regulation parts, page 142 lists regulating valve caps D6NN7N174A and D6NN7N174B, matched within 10 PSI and identified by groove marks. Verify every part against your serial number range before ordering.
Manual Section: 140 p. 424Loader hydraulics slow and jerky, unsure which flow control valve kit fits
Check the flow control valve assemblies and piping on page 62 to identify your valve configuration. Verify which pump you have first: the 5.6 G.P.M. unit rated at 2500 PSI on page 492 uses a 3.125 inch ID x .139 inch thick O-ring, part 913107, listed on page 252. Cross-reference spool and spring numbers against your serial number before ordering.
Manual Section: Flow Control Valve p. 62Need the correct spin-on engine oil filter part number for regular service intervals
Check the engine parts diagram starting on page 98, then the filter listings on page 101; both spin-on filter assemblies carry a 1 quart capacity. Match the filter to your engine by serial number and production year in the parts list, and order a fresh gasket at the same time so you only drain the system once.
Manual Section: 32 p. 101Engine overheats after long digging, want radiator cap and water pump part numbers
Check the radiator cap listing on page 186: the standard cap is rated 7 lbs and the tropical version is rated 13 lbs, so match the cap to your operating climate. Verify the rating stamped on your old cap before ordering, then cross-reference the water pump by engine serial number in the parts index.
Manual Section: 60 p. 186Frequently Asked Questions
What are the torque specifications for the rear wheel disc nuts on the 420 tractor?
The rear wheel disc nuts for the 420 tractor (and other listed models) require a torque of 12/16 Nut, Hex, 3/4"-16. Please refer to page 4 for the specific part number D3NN1120B. p. 4
What is the capacity of the hydraulic pump for the 420 tractor?
The hydraulic pump assembly for the 420 tractor (part number E6NN3K514EA99M1) provides 1100 PSI and has a capacity of 2.74 U.S. Gallons at 1000 RPM. p. 32
What is the correct replacement oil filter for the 420 tractor diesel engine?
The replacement oil filter for the 420 tractor diesel engine is part number 86546614, which is a spin-on 1-quart filter. p. 105
What is the correct spark plug for the 420 gasoline tractor?
The spark plug for the 420 gasoline tractor is part number 86548834, which is a resistance plug. p. 344
How will I receive this Ford 335 & variants Parts Catalog?
A 516-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Are there any print restrictions on this Ford 335 & variants 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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