1990-1999 New Holland 4630 Tractor Service Manual

Service manual covering the New Holland 4630 3-Cylinder Agricultural Tractor, featuring detailed diagrams and part numbers.

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Ford Tractor manual preview - 1990-1999 New Holland 4630 Tractor Service Manual

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Document Details

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Document Number / Seller:
23842 / Thomas Bell
File Size:
8.67 MB
File Type:
PDF
Language:
English
Pages:
632
Printable:
Yes
Category:
Tractor
Last updated / verified
Jan 6, 2026

Models Covered & Key Technical Specifications

New Holland 4630 Tractor Parts Manual (1990-1999)

Master Illustrated Parts Manual | Reference Archive Collection.

  • Measured Assembly Gap: 0.050" signifies the minimal allowable clearance for proper operation Benchmarks.
  • Fundamental Load Capacity: For safe operation, 40 HP indicates the typical tractor power output Range.
  • Integral Fastening Values: The specified torque for critical bolts is 115 N-m to ensure proper component engagement Threshold.
  • Operational Size Parameters: Tractor dimensions are listed, with wheelbase measuring 84 inches for standard stability Requirements.
  • Baseline Running Clearance: The rear axle differential requires a specific clearance for optimal gear mesh Sequences.
  • Critical Thermal Envelope: For effective heat dissipation, the cooling system operates within a 15-30°C range Parameters.

Professional Workshop Service Manual & Technical Specifications

New Holland 4630 Tractor Parts Manual (1990-1999) – Shop Ready Blueprint-Vault

Technical-Benchmarks: 1990-1999 // Reference-Category: Tractor / Agricultural Logic // Calibration-Scope: 631 Pages.

Specification Diagnostic-Logic Validation-Data
Brand New Holland Model New Holland 4630
Years Covered 1990-1999 Manual Type Illustrated Parts Manual
Format PDF Download Page Count 632
Engine Type Ford 3.1L / 3.3L Diesel Horsepower Range 45-67 HP
Transmission 8x8 / 16x8 Synchronized Drive System 2WD / 4WD

Engineering chapters address the following systems:

Hydraulic Systems and Components

Repair information is provided for hydraulic pumps, valves, cylinders, and related linkages. Careful attention is paid to the detailed diagrams for each hydraulic module.

Steering and Front Axle

The document includes coverage of manual and power steering gears, columns, pumps, and cylinders. The steering gear assembly specifications are included for clear assembly procedures.

Brakes and Drivetrain

Brake system specifications are included for the 3 and 4-plate disc brake systems. The transmission components, including shafts, gears, and controls, are thoroughly documented.

Electrical System and Lighting

Wiring harnesses, alternators, starters, and lighting components are comprehensively covered to ensure proper electrical system maintenance.

Chassis and Body Components

Information on fenders, running boards, toolboxes, and related chassis parts is included. Detailed sections on the cab mounting and interior components are also provided.

The document details torque specifications for various fasteners to ensure proper clamp load consistency.

FAQ

Check the **standard** component identification for the front wheel assembly. keyboard_arrow_down

12 bolts are used for the front wheel hub assembly, with a 1/2"-20 thread size and 1-3/4" length for the front wheel hub bolts.

What does the **necessary** adjustment procedures require for the rear wheel bearings? keyboard_arrow_down

Rear wheel bearings are listed with a 73.43mm ID for the cone and roller bearing assembly, indicating proper fitment for optimal performance.

Reference the **recommended** pressure specifications for the hydraulic system. keyboard_arrow_down

2500 PSI is the typical hydraulic relief pressure specified for the tractor's advanced hydraulic system to ensure proper operation.

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Reviews (3)

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New
This manual is a lifesaver! I appreciate the clear instructions and wiring diagrams. Customer support was also very responsive when I had questions.
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New
The service manual is incredibly detailed and easy to navigate. The diagrams helped me understand the repairs better. Highly recommend!
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New
The download process was smooth, and I received the link in no time. The manual has all the info I need for my tractor.