Case ISM Tier 4 Engine, N4LDI-TA-45SL, N4LDI-TA-50SL, N843LT-F-27, N843T-F-24, N844L-F-30, N844L-F-34, N844L-F-36SL, N844LT-F-45SL exploded view of engine crankshaft, flywheel, and piston assembly. New Holland N843, N844 Series Engine Service Manual (incl. Wiring) $59.95
New Holland T2210, T2220, BOOMER 2030, BOOMER 2035 engine valve inspection, measurement, and seat angle procedures. New Holland T2210, T2220, Boomer 2030, Boomer 2035 Tractor Repair Manual (incl. Wiring) $94.95

New Holland TC30 Service Manual (S/N HK30001+, Z6NGC1001+) — Wiring Diagrams

$69.95

Model: TC30
Type: Tractor
Serial: HK30001 and above
828 Pages·25 MB·Searchable PDF·English·Print-Ready
  • ✓ Wiring Diagrams
  • ✓ Hydraulic Schematics
  • ✓ Torque Specs
  • ✓ Bookmarks
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New Holland TC30 exploded view of the FWD front axle assembly, showing drop box casing, final gears, bearings, and shafts.
New Holland TC30 Service Manual (S/N HK30001+, Z6NGC1001+) — Wiring Diagrams
$69.95

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Looking for a New Holland TC30 service manual PDF you can trust? This 828-page factory repair manual (OEM #87361959) breaks the TC30 compact tractor down system by system, from engine and clutch to hydrostatic transmission and the full electrical section. You get wiring diagrams with component testing procedures, hydraulic schematics with complete circuit descriptions, and step-by-step overhauls for the 9x3 gear transmission, FWD front axle, power steering, and PTO. Troubleshooting charts and torque tables run through every system. Set the system relief valve to 145 bar (2133 PSI) and confirm the pump is putting out 23.3 lpm (6.2 U.S. gpm) before you blame the lift cylinder. Tired of forum threads that almost match your tractor? This bookmarked PDF opens on any device; type a spec in the search box, jump straight to the section, and get back to wrenching.

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What's Inside This Manual

SystemPagesKey Topics
General Information45-70Introduction, Precautionary Statements, Safety, Safety Decals, Instruction Decals, International Symbols, Specifications, Minimum Hardware Tightening Torques
Engine71-190Specifications, Metric Bolt Torque Specifications, Engine Bolt Torque Specifications, Engine Fuel System Bolt Torque Specifications, Special Tools, Compression Test and Tools
Clutch191-214Single Clutch, Double Clutch, Clutch Pedal Assembly, Clutch Release Bearing, Clutch Pilot Bearing, Clutch Linkage Components
Gear Transmission215-2429 X 3 Gear Transmission, Input Shafts, Countershafts, Main Shaft, Drive Pinion, Gear Shifter Rods
FWD Front Axle243-266Operation - Front-Wheel Drive Front Axle, Troubleshooting, Overhaul, Reduction Gear - Drop Box, Front Axle and Differential, Drive Pinion, Front Axle, Differential
Differential, Rear Axle267-290Differential Assembly, Differential Lock, Drive Pinion, Rear Axle, Axle Seal, Center Housing
Hydrostatic Transmission291-348Operation - Hydrostatic Transmission, Variable Displacement Pump, Fixed Displacement Motor, Overhaul - Hydrostatic Unit, Hydrostatic Pump, Hydrostatic Motor
Power Take-Off Systems349-370Operation - Transmission Drive Power Take-Off, X 3 Gear Transmission - Single Clutch, Live Power Take-Off, Power Take-Off Drive - Hydrostatic Transmission
Brakes371-376Rear Axle and Brakes, Brake Operation, Parking Brake, Brakes and Final Pinion Overhaul, Brake Linkage Adjustment
Hydraulic System377-428Operation - Hydraulic System, Hydraulic Fluid Filter, Combination System Relief - Diverter Valve Manifold Assembly, Control Valve Assembly, Overhaul - Lift Cylinder, Lift Cylinder
Steering429-470Operation, Power Steering System, Power Steering Control Motor, Power Steering Pump, Power Steering Cylinder, Power Steering Operation, Overhaul, Steering Control Motor
Wheels, Tires and 2WD Axle471-488Operation, Two-Wheel Drive, Two-Wheel Drive Components, Overhaul, Front Wheel Hub, Spindle, Front Wheel Hub and Spindle, Separating the Tractor
Electrical System489-812Introduction, Component Location and Function, Description and Testing - Electrical System Components, Battery, Fusible Link, Fuse Block, Key Switch, Light Switch
Platform813-828Operation, Hood, Side Covers, Steering Wheel, Dash Panel, Seat, Roll Over Protection System, Fuel Tank

Quick Reference Specifications

SpecificationValuePage
Battery12-volt, w/negative ground, 420 cca BCI Group 24p. 59
Pump Capacity23.3 lpm (6.2 U.S. gpm)p. 405
System Relief Valve Setting145 bar (2133 PSI)p. 60
Minimum Hardware Tightening Torques (SAE Grade 2, 1/4 inch, Unplated or Plated Silver)55 inch pounds (6.2 Newton-meters)p. 67
Minimum Hardware Tightening Torques (SAE Grade 2, 1 inch, Unplated or Plated Silver)213 foot pounds (289 Newton-meters)p. 67
alternator drive belt deflection5 - 10 mm (0.197 - 0.394 inch)p. 81
Hydraulic Fluid Filter replacement interval300 hoursp. 382
Replacement interval300 hoursp. 405
piston nut torque35 N·mp. 457
cylinder gland head torque127 N·mp. 457
cylinder tube to piston clearance0.7 mmp. 457
anchor pins and bearings clearance0.5 mmp. 457
BrandNew Holland
ModelTC30
Machine TypeTractor
Manual TypeService Manual
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages828
File Size25 MB
Manual No.87361959
Serial RangeHK30001 and above
Wiring DiagramsYes
Hydraulic SchematicsYes
Torque SpecificationsYes
Bookmarked / IndexedYes
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