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Tracking down parts for a 1990-1999 New Holland 4630? This 631-page New Holland 4630 Parts Catalog PDF maps every assembly on the 3 cylinder AG tractor, from the front wheel hubs to the synchronized 16x8 transmission. You get exploded views with factory part numbers for the engine, drivetrain, hydraulics, brakes, steering, PTO, fuel system, electrical harnesses, and cab. Open any figure and match the piece in your hand to the exact number the dealer's computer wants. Sizing hydraulic pump plungers? The catalog codes them by color: red runs 16.942/16.947 mm, yellow 16.947/16.952 mm. No more ordering three wrong parts to get one right one. Bookmarked with a built-in figure search index; punch in a keyword, jump straight to the diagram, and order it right the first time.
What's Inside This Ford New Holland 4630 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Non-Emissionized, Emissionized, Fuel Tank & Related Parts, Auxiliary, Fuel Injection Pump, Dpa Rotary, Upper Half, Lower Half, Fuel Sedimenter & Filter Assembly, Fuel Filter Assembly, Fuel Injector Assembly, Tube & Clamp Assembly, Fuel Injection, Air Cleaner Assembly, Dry, Oil Bath Type, Fuel Primer Assembly, Diesel, D.I.A, Harness, Transmission & Auxiliary Fuel Tank | |
| Cooling System | Radiator & Related Parts, Water Pump & Related Parts | |
| Engine | Cylinder Block, Head & Related Parts, Crankshaft, Flywheel & Related Parts, Camshaft, Rocker Arms, Valves & Related Parts, Pistons & Connecting Rods, Oil Pump & Oil Pan, Gasket Kits, Oil Coolers, Hydraulic & Transmission, Oil Cooler & Related Parts for Horizontal Exhaust, Oil Cooler & Related Parts for Vertical Exhaust | |
| Electrical System | Rear Wiring, W/Crown Fenders, Nh-E, W/Wide Fenders, Headlamp Assy., Outset Front Mounted, Nhna, Inset Headlamp Assembly, Headlamp Assembly, Fender Mounted, Headlamp, Side Mounted, Lamp Assembly, Rear Stop & Turn Signal, Emergency Warning, Rear Lamp Assembly, Stop & Flasher, W/Cab, Side & Flasher, Side Turn Signal, Lamp Assembly & Mounting, License Plate, Side & Turn Signal, Battery & Battery Support, Starter Motor Assembly | |
| Clutch & Transmission | Transmission Handbrake, W/4WD, L/Cab, Synchronized Transmission, W/8 X 8, 16 X 8, W/Cab, Rear Cover, W/Synchronized Transmission, Front Cover, W8 X 8, W/16 X 8, Front Housing, Valve Housing & Valve, Pipeline, Input Shaft & Gears, Clutch Input Shaft, PTO Shaft & Gears, Low & Back Gears, Back Idle Shaft | |
| PTO | PTO Cover, 2-Speed Shiftable, W/8 X 8, 16 X 8, PTO Cover Assembly, Ipto Cover & Related Parts, W/8 X 2, PTO Shift Control, W/2WD, Ipto Control Lever & Related Parts, W/Cab, Ipto Handle Assembly & Related Parts, PTO Guard, Hinged, Detachable | |
| Rear Axle, Differential & Brakes | Standard Rear Wheels, Round Disc, Square Disc, Rear Wheel Weight Kit, Pressed Steel Disc, Brakes, 3 & 4 Plate, Brake Controls & Related Parts, W/Cab, L/Cab, Trailer Brakes, Rear Axle Center Housing, L/4WD, Rear Axle Final Drive Differential, Rear Axle & Related Parts, Rear Final Drive, Ring Gear & Pinion, Differential Lock Controls | |
| Front Axle & Steering | Front Wheel & Hubs, Front Wheel Assembly, W/FWD, Wheel 2000 Design, Front Axle, Steering & Related Parts, W/Manual, Front Axle Assembly, Steering Gear Assembly, Manual, Power, Single Drop Arm, Steering Column, L/Cab, Tilt, W/Cab, Power Steering Pump & Reservoir, Power Steering Cylinder, W/2WD, Power Steering Motor, Axle Supports, Housings, Steering Cylinder & Related Parts | |
| Hydraulics & 3-Point Hitch | Auxiliary Service Control Valve, Auxiliary Service Control Pipe & Coupler, Lift Control & Draft Control, W/Cab, L/Cab, Flow Control Valve, Filter & Related Parts, Flow Control Valve Components, Hydraulic Manifold, L/Flow Control Valve, Lift Arms & Shafts, Lift Cover, Lift Cylinder & Related Parts, Lift Linkage, Remote Control Valve Assembly, Single Spool, Double Spool, Remote Control Valve Coupler & Hoses, Deluxe, Handles, RH, Deluxe Remote Control Valve | |
| Body & Operator Station | Lift Leveling Box Assembly, L/In Cab Leveling, W/In Cab, Attaching Parts, 3rd & 4th Deluxe Remote, W/Cab, Water Filter, L/Cab, Throttle Controls, Electrical System, LH, RH | |
| Other Components | Power Adjustable Wheel, 28", 30" & 38", Rear Weights, Manual Adjustable Wheel, W/Square Disc, 24", 30", 34", 36", 38", Weights, 30" & 34", 24" - 3930, 4630, 4630-O, Front End, Axle Shaft & Planetary Assemblies, Ring Gear, Pinion & Differential Assembly, Drive Shaft & Shield Assembly, Front Transfer Case, W/4WD, Transfer Case & Controls, W/4 Wheel Braking, Waterproof Drive Shaft, Lift Leveling Box Assembly, Transport Lock, Hpl, Sweden & Korea, Lift Assist Ram |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Plunger, Red, 16.942/16.947mm | 16.942/16.947mm | p. 136 |
| Plunger, Yellow, 16.947/16.952mm | 16.947/16.952mm | p. 136 |
| Ring, Snap, Int | 2.625 in | p. 369 |
| Filtering Element | 2.8 in | p. 374 |
| Plate | 0.30mm | p. 376 |
| Weight, Wheel | 100 lbs. | p. 24 |
| Weight, Front End | 80 lbs. | p. 34 |
| Oil, Hydraulic Capacity | 2 Gallon | p. 593 |
| Oil, Engine Capacity | 55 Gallon | p. 593 |
Ford New Holland 4630 Common Problems This Manual Covers
New Holland 4630 fuel lift pump part numbers unclear, old pump missing its identification tag
Remove the pump and compare it against the fuel system exploded views. Measure the internal snap ring; the 2.625 in size listed on page 369 confirms you are in the correct pump family. Cross-reference every item number in the Parts Number List against your serial number range before ordering.
Manual Section: Fuel System p. 369Hydraulic pump plungers come in color codes, not sure which size replaces worn originals
Measure each plunger with a micrometer and match it to the color chart on page 136: Red runs 16.942/16.947mm, Blue runs 16.952/16.957mm, White runs 16.962/16.967mm. Order plungers by color grade, not guesswork. Verify the item numbers in the hydraulic lift exploded views and the Parts Number List.
Manual Section: Hydraulic Lift & Remote Control p. 136Hydraulic system losing pressure, unsure which oil part number and container size to order
Check the oil listings on page 593; hydraulic oil carries separate part numbers for 2 gallon, 5 gallon, and 55 gallon containers. Pick the size that covers a full system refill plus a reserve for topping off after seal work, then confirm the part number in the Parts Number List.
Manual Section: Hydraulic Lift & Remote Control p. 593Front weights missing from bracket, need factory ballast part numbers for correct fit
Check the front end weight listings on page 34; weights come in 80 lbs. and 88 lbs. versions under different part numbers. Count how many your bracket carries and note the mounting hardware in the same figure. Wheel weights list separately at 100 lbs. each on page 24.
Manual Section: Front Axle, Steering & Related Parts p. 34Cylinder head gasket and valve part numbers hard to pin down for engine rebuild
Check the engine exploded view and write down the item numbers for the head, valves, and gaskets. Match each number in the Parts Number List against your serial range. Order engine oil for the refill too; page 593 lists a 55 gallon drum option.
Manual Section: Engine, Cylinder Block, Head & Related PartsFrequently Asked Questions
What are the replacement specifications for the fuel injection pump on the 4630 tractor?
The fuel injection pump for the 4630 tractor is a DPA Rotary type. For the upper half, various pump assemblies are listed depending on the specific engine configuration, such as part number E9NN9A543JA for 3230 models or 87801477 for 3930 emissionized engines. Detailed breakdown components for the upper and lower halves are provided on pages 364 through 370. p. 365
What is the specification for the engine oil filter for the 4630 tractor?
For the 4630 tractor, the engine oil filter assembly part number is 86546614 or 86546614DS for NHNA models, and 87800068 for NH-E models. p. 208
What is the correct replacement bulb for the rear stop and turn signal lamp?
The correct replacement bulb for the rear stop and turn signal lamp assembly is a #1156 bulb, which is part number 529068. p. 422
What is the specification for the thermostat on the 4630 tractor?
The thermostat assembly for the 4630 tractor is rated at 180 degrees Fahrenheit and is identified by part number E0NN8575AA. p. 344
How will I receive this New Holland 4630 Parts Catalog?
A 631-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 New Holland 4630 manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
