New Holland TC21DA, TC24DA Tractor Service Manual
721 pages · Publication 87053135
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What's inside
From the manual's own table of contents: 67 sections, 470 entries. See sample pages (PDF, 559 KB)
SECTION 00 - GENERAL INFORMATION
SECTION 10 - ENGINE SYSTEMS
SECTION 18 - SINGLE CLUTCH
SECTION 21 - TRANSMISSION SYSTEMS
SECTION 25 - FRONT AXLE -- FRONT WHEEL DRIVE
SECTION 27 - DIFFERENTIAL AND REAR AXLE
SECTION 29 - HYDROSTATIC TRANSMISSION
SECTION 31 - POWER TAKE-OFF SYSTEMS
SECTION 33 - BRAKES
SECTION 35 - HYDRAULIC SYSTEM
SECTION 41 - POWER STEERING SYSTEM
SECTION 44 - WHEELS AND TIRES
SECTION 55 - ELECTRICAL SYSTEM
SECTION 90 - PLATFORM42 topics
- Introduction
- Precautionary Statements
- Safety
- The Tractor
- Servicing the Tractor
- Operating the Tractor
- Driving the Tractor
- Operating the PTO
- Diesel Fuel
- Safety Frame (ROPS)
- Safety Decals
- Instruction Decals
- Product Identification Plate
- International Symbols
- Specifications -- TC21DA, TC24DA
- General Dimensions -- TC21DA, TC24DA
- Minimum Hardware Tightening Torques
- Lubricants
- Adjustments
- Description and Operation -- General Information
- Identification Chart
- Cylinder Head and Valve Train Components
- Cylinder Block Assembly
- Overhaul -- Engine
- Engine Preparation
- Fuel Injector and Glow Plug
- Oil Pressure Switch
- Temperature Sending Switch and Alternator
- Fan, Water Pump, and External Oil Tube
- Valve Cover
- Rocker Shaft and Push Rod
- Cylinder Head
- Valve Tappet
- Fuel Shut-off Solenoid
- Engine Timing Gear Cover
- Timing Gears and Camshaft
- Oil Sump
- Oil Suction Pipe and Strainer
- Connecting Rods, Bearing and Pistons
- Flywheel
- Backplate and Oil Seal
- Crankshaft and Main Bearing
18 110 Cylinder Head8 topics
- Valve Seats
- Valves
- Valve Guides
- Valve Springs
- Rocker Arms
- Push Rods
- Cylinder Head
- Cylinder Block
10 105 Pistons, Piston Rings, and Connecting Rods3 topics
- Piston
- Piston Rings
- Connecting Rods
10 105 Pistons, Piston Rings, and Connecting Rod
10 103 Crankshaft Main Bearings31 topics
- Crankshaft
- Crankshaft Journal Wear Limit and Bearing Usage
- Crankshaft Front Main Bearing (Bushing)
- Crankshaft Main Bearing
- Port Block
- Timing Gear
- Camshaft
- Timing Gear Housing
- Front Oil Seal and Steering Pump Seal
- Crankshaft and Bearing Holder
- Rear Oil Seal and Backplate
- Flywheel
- Piston and Connecting Rod
- Oil Suction Pipe and Suction Strainer
- Oil Sump
- Camshaft and Camshaft Gear
- Idler Gear, Oil Pump and Injection Timing
- Timing Gear Cover
- Crankshaft Pulley
- Fuel Injection Pump
- Power Steering Pump
- Head Gasket
- Cylinder Head
- Valve Clearance Adjustment
- Valve Cover
- Fan, Water Pump and External Oil Tube
- Glow Plug and Connector
- Fuel Injector
- Fuel Piping
- Alternator and Temperature Sending Switch
- Exhaust Manifold, Radiator, and Air Cleaner
10 304 Description of Operation -- Engine Lubrication System
10 206 Engine Oil Filter1 topic
- Engine Oil Pressure Check
10 400 Description of Operation -- Cooling System8 topics
- Maintenance
- Coolant
- Thermostat
- Water Pump
- Cooling Fan
- Radiator
- Radiator Cap
- Overhaul -- Cooling System
10 402 Water Pump and Thermostat1 topic
- Troubleshooting
10 000 Specification15 topics
- Cylinder Head
- Cylinder Block
- Piston
- Piston Ring
- Connecting Rod
- Crankshaft
- Cramshaft
- Valves
- Push Rods
- Rocker Arms
- Lubrication System
- Cooling System
- Torque Specifications
- Special Tools
- Compression Test and Tools
10 242 Description and Operation -- Injection Pump
Show all 67 sections
10 236 Pumping Elements
10 214 Delivery Valves2 topics
- Injection Pump
- Timing and Governor Adjustments
10 230 Installation Using Original Pump and Drive Components4 topics
- Install a New Pump or Drive Component
- Spill-timing Procedure
- Bleeding the Fuel System
- Full Screw/High Idle Adjustment
10 230 Description of Operation -- Governor1 topic
- Governor
10 218 Description and Operation -- Injectors9 topics
- Injector
- Troubleshooting -- General
- Troubleshooting -- Fuel Injectors
- Troubleshooting -- Governor
- Specifications
- Description and Operation -- General Information
- Single Clutch
- x 3 Transmissions
- Description and Overhaul -- Servicing Clutch-Related Components
18 110 Clutch Pilot Bearing -- 9 x 3 Gear Transmission Only33 topics
- Clutch Release Bearing
- Flywheel Dimensions
- Clutch Cross Shaft Bushings
- Clutch Pedal Bushings
- Clutch Linkage Adjustment
- Specifications
- Introduction
- Description and Operation -- 9 x 3 Gear Transmission
- x 3 Gear Transmission -- Power Flow
- Overhaul
- Transmission Preparation
- 9x3 Transmission
- Transmission Shift Cover
- Input Shaft, Idler Gear, and Countershaft Gear
- Main Shaft
- Front Wheel Drive Shaft
- Countershaft
- Range and Rear PTO Shift Rail and Fork
- Pinion Shaft
- PTO Front Countershaft
- Mid-Mount PTO Idler Shaft
- Mid-Range Gear Case
- Mid-Mount PTO Idler Shaft
- PTO Front Countershaft
- Rear PTO Countershaft
- Pinion Shaft
- Shift Rail and Fork
- Countershaft
- Front Wheel Drive Shaft
- Front Wheel Drive Shift Cover
- Main Shaft
- Input Shaft, Idler Gear and Countershaft Gear
- Rear Transmission -- 9 x 3 Transmission
25 100 Description and Operation -- Front Axle - Front Wheel Drive2 topics
- Overhaul
- Front-Wheel Drive Front Axle
25 102 Differential10 topics
- Differential
- Axle
- Differential
- Pinion
- Front-Wheel Drive Front Axle
- Final Pinion and Wheel Shaft
- Troubleshooting
- Front Axle
- Specifications
- Front Wheel Drive
27 106 Description and Operation -- General Information1 topic
- Differential
27 110 Differential Lock
27 126 Rear Axle and Brakes1 topic
- Overhaul
27 106 Differential4 topics
- Drive Pinion
- Differential
- Rear Axle
- Ring Gear and Pinion Gear Pattern Specification and Adjustment
29 202 Description and Operation -- Hydrostatic Transmission
29 212 Variable Displacement Pump Operation
29 212 Fixed Displacement Motor Operation4 topics
- Fluid Flow
- Overhaul -- Hydrostatic Transmission
- Transmission Preparation
- Housing and Rear Transmission
29 202 Hydrostatic Unit14 topics
- Precautions Before Disassembly
- Motor and Port Block
- Hydrostatic Motor
- Hydrostatic Motor Shaft
- Charge Pump
- Swash Plate
- Swash Plate/Charge Pump
- HST Piston Pump Cylinder Block
- HST Motor Cylinder Block
- Neutral and Feed Valves
- Charge Pump Relief Valve
- High Pressure Relief Valve
- Hydrostatic Pump and Port Block
- Motor and Port Block
29 204 Check Valve28 topics
- Housing and Rear Transmission
- Pressure Tests
- High Pressure Relief Valve
- Charge Pump Pressure Relief Valve
- Description and Operation -- Gearbox
- Overhaul -- Gearbox
- Gearbox
- Housing and Rear Transmission
- Transmission Drive Shaft and PTO Input Shaft
- Main Bearing Holder Plate
- Main Shaft
- FWD Drive Shaft (FWD Model only)
- Countershaft
- Range and Rear PTO Shift Rail and Fork
- Pinion Shaft
- PTO Front Countershaft
- Mid-Mount PTO Idler Shaft
- Shift Rail and Fork
- Mid-Mount PTO Idler Shaft
- PTO Front Countershaft
- Pinion Shaft
- Countershaft
- FWD Shaft (FWD Models only)
- Main Shaft
- Input Shaft, Transmission Drive Shaft, and Retaining Plate
- Front Wheel Drive Shaft Cover
- Housing and Rear Transmission
- Overhaul and Adjustments -- Control Linkage
29 200 Control Linkage11 topics
- Initial Adjustments
- Control Rod
- Pedal Stop
- HST Neutralizer
- HST Neutral Adjustment
- Linkage Damper
- Pedal
- Pedal Pivot Shaft
- Damper, Pivot Shaft, Pedal and FWD Drive Shaft
- Metric Bolt Torque Specifications
- Description and Operation -- PTO System
31 110 9 x 3 Gear Transmission
31 110 Hydrostatic Transmission1 topic
- Overhaul -- Rear PTO
31 114 9 X 3 Rear PTO Output Shaft4 topics
- HST Rear PTO Output Shaft
- Description and Operation -- Mid-Mount PTO
- Mid-Mount Power Take-Off
- Overhaul -- Mid-Mount PTO
31 120 9 x 3 Optional Mid-Mount PTO9 topics
- Gearbox and Countershaft
- Output Shaft
- Gearbox and Countershaft
- Hydrostatic Transmission, Standard Mid-Mount PTO
- Gearbox and Countershaft
- Output Shaft
- Gearbox and Countershaft
- Rear PTO
- Mid-Mount PTO
33 120 Brakes and Final Pinion1 topic
- Description and Operation -- Hydraulic System
35 000 Hydraulic System Circuits1 topic
- Oil Filter
35 080 Combination System Relief - Diverter Valve Manifold
35 200 Control Valve Assembly (HPL)
35 210 Lifting Position
35 210 Lowering Position2 topics
- Cylinder Head and Flow Control Valve
- Overhaul -- Hydraulic System
35 110 Lift Cylinder
35 183 Cylinder Head (Flow Control Valve)5 topics
- Control Valve
- Lowering Valve
- Diverter Valve and Relief Valve Manifold Assembly
- Control Lever
- Description and Operation -- Hydraulic Pump
35 304 Hydraulic Pump and Filter2 topics
- Hydraulic Pump
- Description and Operation -- Remote Valves
35 204 Remote Control Valves3 topics
- Hydraulic Manifold Block/Diverter Valve
- Single Spool Remote Control System
- Oil Flow
35 184 Front (Double Spool) Remote Valve14 topics
- Double Spool Remote Control System
- Oil Flow
- Overhaul -- Remote Valves
- Single Spool Valve (Rear Remote Valve)
- Double Spool Remote Valve
- Double Spool Remote Valve (Front Remote Valve)
- Front Remote Valve Linkage
- Troubleshooting
- Pressure Testing
- Main System Relief Valve
- Specifications
- Metric Bolt Torque Specifications
- Special Tools
- Description and Operation
41 204 Power Steering System1 topic
- Power Steering Control Valve
41 206 Power Steering Pump5 topics
- Power Steering Cylinder
- Power Steering Operation
- Power Steering Manual Operation
- Power Steering System
- Steering Control Valve
41 216 Steering Cylinder17 topics
- Oil Pump
- Power Steering System
- Power Steering Tubes
- Troubleshooting
- Pressure Testing
- Pump, Steering Valve, and Relief Valve
- Steering Cylinder
- Specifications
- Special Tools
- Metric Bolt Torque Specifications
- Wheels and Tires -- Tread Setting
- Weights
- Wheels and Tires -- Weight Limitation
- Liquid Ballast
- Tire Inflation vs. Permissible Load
- Wheels and Tires Lug Bolt Torque
- Front and Rear Wheel Hub Bolt Torque Sequence
55 000 Component Location and Function -- Description and Operation9 topics
- Wiring Harnesses
- Ground Locations
- Battery
- Fuse Block
- Main Fuse
- Electrical System Components - Description and Testing
- Key Start Switch
- Light Switch (Combination Switch)
- Hazard/Turn Signal Combination Switch
55 408 9 x 3 Transmission Main (Speed) Gears, Safety Switch1 topic
- and Mid PTO Safety Switch
55 408 Seat Safety Switch14 topics
- Parking Brake Switch
- Cruise Control Brake Release Switch (HST Only)
- Relays
- Flasher Controller
- Safety Controller
- Glow Plug Indicator Light
- Fuel Shut Off Solenoid (Safe Operation)
- Safety Start Circuit (Safety Controller)
- Parking Brake Indicator Light (Safety Controller)
- Rear PTO Indicator Light (Safety Controller)
- Diodes
- Cruise Control Magnet (HST Models)
- HST Speed Control (Cruise Control) Switch (HST Models Only)
- Glow Plugs
55 414 Engine Sensors
55 404 Fuel Shutoff Solenoid31 topics
- Flasher Warning Light
- Rear Work Light (Optional)
- Electrical Wiring Diagram
- Starting Circuit (Operator Present) HST Transmission
- Starting Circuit (Operator Present) Gear Transmission
- Starting Circuit (No Operator Present) HST Transmission
- Starting Circuit (No Operator Present) Gear Transmission
- Safe Operation Circuit (Operator Present) All Transmissions
- Not Engaged
- Engaged
- Glow Plug Circuit
- HST Cruise Control Circuit
- Front Work Lights Circuit
- Front Road Lights Circuit
- Hazard Flasher Circuit
- Left Turn Signal Circuit
- Right Turn Signal Circuit
- Engine Temperature Gauge Circuit
- Engine Oil Pressure Indicator Light Circuit
- Fuel Level Sender Circuit
- Parking Brake Indicator Light Circuit
- Rear PTO Indicator Light Circuit
- Tachometer Circuit
- Charging Circuit
- Component Operation and Servicing
- Instrument Panel
- Component Testing and Replacement
- Fuel Gauge Testing
- Temperature Gauge
- Tachometer
- Instrument Panel, Indicator and Illumination Lights
55 201 Description of Operation -- Starting System2 topics
- Overhaul -- Starter Motor
- Starter Motor
55 301 Description of Operation -- Charging System48 topics
- Stator
- Rotor
- Rectifier
- End Frame
- IC Regulator
- Improvement of Charging System
- Detention Function
- Function
- Overhaul -- Charging System
- Pulley
- Rear End Cover
- Brush Holder
- IC Regulator
- Regulator
- Bushing
- Rear End Frame
- Rotor
- Retainer Plate
- Bearing (Drive End Side)
- Bearing (Slip Ring Side)
- Component Inspection and Repair
- Stator
- Rotor
- Rectifier
- Diode
- Brush Hold and Brushes
- Bearings
- Drive Pulley
- Alternator Housing
- Alternator
- Charging System
- IC Regulator
- Voltage Measurement on the Vehicle
- Troubleshooting
- Failure in Charging System
- Preliminary Checks
- Care in Handling Charging System
- Specifications
- Description of Operation -- Platform
- Hood
- Steering Wheel
- Instrument Panel and Console
- Rear Panels
- Fuel Tank
- Seat and Seat Suspension
- Roll Over Protection System (ROPS)
- Fenders
- Side Steps
Inside this manual
Real pages from this service manual (721 pages). Open the sample pages (PDF, 558 KB)
- Specifications, page 130: SECTION 10 -- ENGINE SYSTEMS -- CHAPTER 1
- Diagram, page 174: SECTION 18 -- SINGLE CLUTCH -- CHAPTER 1
- Troubleshooting, page 603: TROUBLESHOOTING SAFE OPERATION CIRCUIT (OPERATOR NOT PRESENT)
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the TC21DA, TC24DA are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Service Manual 87053135$79.85
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This is a service manual
Here's how it compares to the other manual types.
This manual
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 721 pages
Quantity one is the manual described above.
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