New Holland T8.275/T8.300/T8.330/T8.360/T8.390/T8.420 CVT Service Manual

About this manual

This OEM New Holland Service Manual provides workshop information for the tractors listed in Manual details in PDF format. The contents include Engine and crankcase, Drive shaft, and Continuously Variable Transmission (CVT).

The indexed contents provide page references for the documented systems and topics. Use Manual contents to find the system or task you need, and check Manual details for model coverage and publication information.

Manual details

Manufacturer

New Holland

Manual type

Service Manual

Equipment type

Tractor

Models

T8.275 CVT, T8.300 CVT, T8.330 CVT, T8.360 CVT, T8.390 CVT, and T8.420 CVT

Document number

47533593

Edition

2nd edition

Publication year

2013

Publication date

October 2013

Text search

Available

PDF navigation

Interactive contents links and PDF bookmarks

Document quality

High — clear, readable text, illustrations and diagrams.

Product highlights

Electrical systems

The manual includes wiring diagrams and electrical troubleshooting.

Hydraulic systems

The manual includes hydraulic circuit diagrams and hydraulic valve-adjustment material.

Special tools

A special-tools section is included.

Applicability and limitations

Global P.I.N. range: PIN ZCRC02586 and above.

Systems and topics in this manual

Engine

Listed topics include Engine and crankcase, Cylinder heads, and Pump drives.

Power coupling

This section brings together Drive shaft.

Transmission

The contents identify Continuously Variable Transmission (CVT), Continuously Variable Transmission (CVT) external controls, and Continuously Variable Transmission (CVT) internal components in this section.

Four-Wheel Drive (4WD) system

Listed topics include Electro-hydraulic control and Drive shaft.

Front axle system

This section brings together Powered front axle, Front bevel gear set and differential, and Final drive hub, steering knuckles, and shafts.

Rear axle system

The contents identify Powered rear axle, Rear bevel gear set and differential, and Planetary and final drives in this section.

Power Take-Off (PTO)

Listed topics include Rear electro-hydraulic control, One-speed rear Power Take-Off (PTO), and Two-speed rear Power Take-Off (PTO).

Brakes and controls

This section brings together Parking brake or parking lock, Hydraulic service brakes, and Trailer brake hydraulic control.

Hydraulic systems

The contents identify Pump control valves, Variable displacement pump, and Three-point hitch control valve in this section.

Hitches, drawbars, and implement couplings

Listed topics include Rear three-point hitch and Front hitch.

Steering

This section brings together Steering control, Hydraulic control components, and Pump.

Cab climate control

The contents identify Heating, Air conditioning, and Cab pressurizing system in this section.

Electrical systems

Listed topics include Engine cooling system, Engine control system, and Transmission control system.

Platform, cab, bodywork, and decals

This section brings together Engine hood and panels, Engine shields, hood latches, and trims, and Protections and footboards.

Manual contents

Use these source headings to locate the task or system you need in the PDF.

• INTRODUCTION — p. 8
  • Foreword - Important notice regarding equipment servicing — p. 3
  • Safety rules — p. 4
  • Safety rules - General maintenance safety — p. 5
  • Safety rules - Personal Protective Equipment (PPE) — p. 6
  • Safety rules - Do Not Operate tag — p. 7
  • Safety rules - Ecology and the environment — p. 8
  • Torque - Minimum tightening torques for normal assembly — p. 9
  • Capacities — p. 14
  • Product identification — p. 16
• Engine - 10 — p. 26
  • [10.001] Engine and crankcase — p. 10.1
  • [10.101] Cylinder heads — p. 10.2
  • [10.114] Pump drives — p. 10.3
  • [10.202] Air cleaners and lines — p. 10.4
  • [10.216] Fuel tanks — p. 10.5
  • [10.310] Aftercooler — p. 10.6
  • [10.400] Engine cooling system — p. 10.7
  • [10.414] Fan and drive — p. 10.8
  • [10.500] Selective Catalytic Reduction (SCR) exhaust treatment — p. 10.9
• Power coupling - 19 — p. 214
  • [19.100] Drive shaft — p. 19.1
• Transmission - 21 — p. 222
  • [21.504] Continuously Variable Transmission (CVT) — p. 21.1
  • [21.505] Continuously Variable Transmission (CVT) external controls — p. 21.2
  • [21.507] Continuously Variable Transmission (CVT) internal components — p. 21.3
  • [21.506] Continuously Variable Transmission (CVT) lubrication system — p. 21.4
• Four-Wheel Drive (4WD) system - 23 — p. 504
  • [23.202] Electro-hydraulic control — p. 23.1
  • [23.314] Drive shaft — p. 23.2
• Front axle system - 25 — p. 578
  • [25.100] Powered front axle — p. 25.1
  • [25.102] Front bevel gear set and differential — p. 25.2
  • [25.108] Final drive hub, steering knuckles, and shafts — p. 25.3
  • [25.122] Axle suspension control — p. 25.4
• Rear axle system - 27 — p. 824
  • [27.100] Powered rear axle — p. 27.1
  • [27.106] Rear bevel gear set and differential — p. 27.2
  • [27.120] Planetary and final drives — p. 27.3
• Power Take-Off (PTO) - 31 — p. 946
  • [31.104] Rear electro-hydraulic control — p. 31.1
  • [31.110] One-speed rear Power Take-Off (PTO) — p. 31.2
  • [31.114] Two-speed rear Power Take-Off (PTO) — p. 31.3
  • [31.146] Front Power Take-Off (PTO) — p. 31.4
• Brakes and controls - 33 — p. 1204
  • [33.110] Parking brake or parking lock — p. 33.1
  • [33.202] Hydraulic service brakes — p. 33.2
  • [33.220] Trailer brake hydraulic control — p. 33.3
  • [33.224] Trailer brake pneumatic control — p. 33.4
• Hydraulic systems - 35 — p. 1380
  • [35.000] Hydraulic systems — p. 35.1
  • [35.102] Pump control valves — p. 35.2
  • [35.106] Variable displacement pump — p. 35.3
  • [35.114] Three-point hitch control valve — p. 35.4
  • [35.124] Three-point hitch hydraulic adjustment — p. 35.5
  • [35.204] Remote control valves — p. 35.6
  • [35.300] Reservoir, cooler, and filters — p. 35.7
  • [35.304] Combination pump units — p. 35.8
• Pneumatic system - 36 — p. 1622
  • [36.100] Pneumatic system — p. 36.1
• Hitches, drawbars, and implement couplings - 37 — p. 1634
  • [37.110] Rear three-point hitch — p. 37.1
  • [37.162] Front hitch — p. 37.2
• Steering - 41 — p. 1668
  • [41.101] Steering control — p. 41.1
  • [41.200] Hydraulic control components — p. 41.2
  • [41.206] Pump — p. 41.3
• Cab climate control - 50 — p. 1710
  • [50.100] Heating — p. 50.1
  • [50.200] Air conditioning — p. 50.2
  • [50.300] Cab pressurizing system — p. 50.3
• Electrical systems - 55 — p. 1850
  • [55.012] Engine cooling system — p. 55.1
  • [55.015] Engine control system — p. 55.2
  • [55.024] Transmission control system — p. 55.3
  • [55.045] Front axle control system — p. 55.4
  • [55.046] Rear axle control system — p. 55.5
  • [55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system — p. 55.6
  • [55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls — p. 55.7
  • [55.100] Harnesses and connectors — p. 55.8
  • [55.130] Rear three-point hitch electronic control system — p. 55.9
  • [55.201] Engine starting system — p. 55.10
  • [55.301] Alternator — p. 55.11
  • [55.302] Battery — p. 55.12
  • [55.404] External lighting — p. 55.13
  • [55.405] External lighting switches and relays — p. 55.14
  • [55.408] Warning indicators, alarms, and instruments — p. 55.15
  • [55.512] Cab controls — p. 55.16
  • [55.514] Cab lighting — p. 55.17
  • [55.518] Wiper and washer system — p. 55.18
  • [55.640] Electronic modules — p. 55.19
  • [55.988] Selective Catalytic Reduction (SCR) electrical system — p. 55.20
  • [55.DTC] FAULT CODES — p. 55.21
• Platform, cab, bodywork, and decals - 90 — p. 4268
  • [90.100] Engine hood and panels — p. 90.1
  • [90.102] Engine shields, hood latches, and trims — p. 90.2
  • [90.118] Protections and footboards — p. 90.3
  • [90.124] Pneumatically-adjusted operator seat — p. 90.4
  • [90.150] Cab — p. 90.5
  • [90.151] Cab interior — p. 90.6
  • [90.160] Cab interior trim and panels — p. 90.7
• Electrical Schematic - 47451826 — p. 4447
• Hydraulic Schematic - 47451828 — p. 4453
• Hydraulic Schematic - 47605415 — p. 4459

Capabilities

The source outline indexes servicing instructions, maintenance, and checking and adjustment. Use these source-backed headings to locate the applicable service or repair topic in the source PDF, then confirm model-specific notes, specifications, illustrations, and operating conditions at the relevant page before carrying out service or repair work.

Keep the source's safety sequence, prerequisite steps, labels, units, configuration notes, and footnotes with the selected task; do not apply an isolated value outside the conditions stated in the manual.

Delivery

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References

New Holland Service Manual for Tractor, document code 47533593, PDF edition.