This manual covers the New Holland TM Series tractors, including models TM120, TM130, TM140, TM155, TM175, and TM190. These versatile, high-horsepower tractors were produced from the late 1990s through the mid-2000s and are known for their robust construction and suitability for heavy-duty agricultural work. The TM series offers various transmission options, such as Full PowerShift, SemiPowerShift, Dual Command, and Shuttle Command, many of which feature electronic control units. These tractors are equipped with comprehensive lighting systems, including road lights, work lights, indicators, and hazard lights, and cab models typically include ROPS and FOPS for operator safety.
The purpose of this New Holland TM Series Wiring Diagram Manual is to provide detailed information on the electrical systems of these tractors. It offers comprehensive coverage of the entire electrical architecture, with a primary focus on electrical systems and wiring diagrams. The manual includes detailed circuits for starting, charging, engine systems, various transmission types, four-wheel drive, differential lock, power take-off, front suspension, cab accessories, lighting, trailer braking systems, sensors, wipers, washers, and diagnostic connectors. This resource is designed to aid farm machinery technicians, mechanics, and owners in understanding, troubleshooting, diagnosing, and repairing the electrical components and systems of their TM series tractors, ensuring optimal performance and longevity.
Covered Models:
TM120, TM130, TM140, TM155, TM175, TM190
Manual Product Name:
New Holland TM120 TM130 TM140 TM155 TM175 TM190 Wiring Diagram Manual
Target Audience:
Farm machinery technicians, mechanics, and owners of New Holland TM series tractors requiring in-depth electrical system knowledge.
Advantage Over Paper:
Digital format allows for easy zooming, quick navigation, and instant accessibility compared to physical manuals.
Instant Access:
Immediate download post-payment for quick access to critical information.
Self Reliance:
Empowers users to perform repairs and diagnostics themselves, saving on service costs.
Primary Focus:
Electrical Systems and Wiring Diagrams
Detailed Circuits:
Starting, Charging, Thermostart, Fuel Injection Pump, Engine Systems, Transmission Circuits (Full PowerShift, SemiPowerShift, Dual Command, Shuttle Command), Electronic Draft Control, Four Wheel Drive, Differential Lock, Power Take Off (PTO), Front Suspension, Cab Accessories, Main Lamps, Indicators, Hazards, Work Lamps, Trailer Braking System, Sensors/Senders, Wipers & Washers, Diagnostic Connectors, Processor Feed & Ground Connections, Air Conditioning & Heating
Estimated Page Count:
Not specified, but extensive due to detailed circuit descriptions
Type:
Wiring Diagram Manual
Format:
PDF (Electronic Download)
Electrical System Overview:
Comprehensive coverage of the entire electrical architecture of the New Holland TM series tractors.
Power Distribution:
Detailed diagrams for battery, alternator, starter motor circuits, and related charging systems.
Engine Electrical:
Wiring for engine control units, sensors, actuators, and starting/fuel injection systems.
Transmission Control:
Specific wiring diagrams for various transmission types: Full PowerShift (175 & 190), PowerShift (120-155), SemiPowerShift (120-155), Dual Command (120-140), and Shuttle Command (120-140).
Traction Systems:
Wiring for Four Wheel Drive (4WD) engagement and Differential Lock systems.
Power Take Off Control:
Wiring related to the operation and engagement of the Power Take Off (PTO).
Operator Environment:
Wiring for cab accessories, lighting (main, work, indicators, hazards), and climate control (Air Conditioning & Heating).
Safety And Lighting:
Detailed diagrams for all exterior and interior lighting, signaling, and hazard warning systems.
Trailer Interfaces:
Wiring schematics for trailer braking systems and lighting connections.
Sensor And Actuator Networks:
Coverage of various sensors and senders throughout the vehicle, along with their respective wiring.
Diagnostic And Control Units:
Wiring for diagnostic connectors and processor/ECU power and ground connections.
Troubleshooting Guides:
Enables identification and diagnosis of electrical faults by tracing wiring circuits.
Component Identification:
Helps in identifying the location and function of various electrical components within the wiring diagrams.
Repair And Replacement:
Provides the necessary information for repairing or replacing damaged wiring harnesses, connectors, and electrical components.
System Understanding:
Facilitates a deep understanding of how different electrical systems are interconnected and function.
Depth Of Information:
Highly detailed, providing specific circuit tracing, component connections, and pin-out information.
Accuracy And Detail:
As an electronic version of an original maintenance manual, it offers high accuracy and clarity for detailed electrical work.
Searchability:
Likely searchable (depending on PDF creation) for component names or circuit numbers.
Quality Description:
Excellent clarity for digital viewing, with zoom capabilities for detailed examination of circuits.
Binding:
Not Applicable (Electronic Download)
Paper Type:
Not Applicable (Electronic Download)
Operating Systems:
Compatible with all versions of Windows & Mac.
Software Required:
Adobe PDF Reader
Engine Family:
New Holland's 'Genesis' engine platform (likely variants of Iveco/Fiat engines common in this era).
Model Specific Power Ranges:
TM120 (approx. 115-120 HP), TM130 (approx. 125-130 HP), TM140 (approx. 135-140 HP), TM155 (approx. 150-155 HP), TM175 (approx. 170-175 HP), TM190 (approx. 185-190 HP). Exact HP figures vary by specific engine tune and rating.
Injection Type:
Typically common rail direct injection or advanced rotary/inline injection systems depending on specific engine variant and model year.
Transmission Options:
Multiple transmission options available across the TM series, including Full PowerShift, SemiPowerShift, Dual Command, and Shuttle Command.
Transmission Details:
Manual focuses on the wiring for each specific transmission type offered in the TM120-TM190 range.
Electronic Control:
Many of these transmissions feature electronic control units (ECUs) and associated wiring for smooth operation and gear selection.
General Size:
These are large, articulated tractors designed for heavy-duty agricultural work. Exact dimensions vary by specific model and configuration.
Operating Weight:
Typically range from approximately 6,000 kg to over 8,000 kg, depending on model and equipment.
Cab Safety:
Cab models typically feature ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) for operator safety.
Lighting And Signaling:
Comprehensive lighting systems including road lights, work lights, indicators, and hazard lights are covered by the wiring diagrams.
Seatbelts:
While not explicitly electrical, seatbelt interlocks or indicator lights related to seatbelts may be part of the cab's electrical system.
Cab Electronics:
Coverage includes wiring for any integrated radio, lighting controls, and climate control interfaces within the operator's cab.
Electronic Draft Control:
Detailed wiring diagrams for the Electronic Draft Control (EDC) system, crucial for precise implement control.
Diagnostic Ports:
Wiring for diagnostic connectors, enabling communication with onboard diagnostic tools.
Electrical Checks:
While not direct intervals, this manual is crucial for diagnosing and maintaining the electrical system's integrity, which impacts all scheduled maintenance.
Related Fluids:
Wiring for sensors and control units related to transmission, hydraulic, and engine fluids is covered, though specific fluid types are not the manual's primary focus.
Common Electrical Problems:
Wiring harness wear, corrosion in connectors, faulty sensors, and intermittent electrical faults are common issues that this manual directly addresses.
Manufacturer:
New Holland Agriculture, a globally recognized manufacturer of agricultural machinery.
Tm Series Context:
The TM series tractors were a popular line of versatile, high-horsepower tractors in New Holland's lineup during their production years (typically late 1990s to mid-2000s), succeeding earlier models and preceding the T7 series.
Production Era:
Production era roughly spans from the late 1990s through the mid-2000s, with updates and variations within the series.
