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Manual Details
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Coverage Areas
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General:
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True
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Engine:
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True
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Engine Equipment:
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True
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Transmission:
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True
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Front Axle And Steering:
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True
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Rear Axle:
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True
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Electrical System:
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True
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Hydraulic System:
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True
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Sheet Metal:
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True
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Implement Lift:
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True
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Operators Platform And Cab:
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True
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Wheels And Tracks:
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True
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Decals:
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True
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Attachments Farm Loaders:
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32LA, 33LA, 46LB, 52LA, 7310, 7210, 7312, 7314, 7511
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Page Count
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Total Pages:
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1657
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Manual Type
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Type:
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Illustrated Parts List
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Language
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Language:
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English
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Format
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Format:
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PDF Download
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Indexing
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Indexing Method:
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Includes a Full Machine Text Index, How To Use Figure Search, General Information (Abbreviations, Metric to Inches Conversion).
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Navigation Structure:
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Divided into indexed sections for fast navigation.
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Manual Coverage
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Systems Covered
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Engine Systems:
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Detailed breakdowns including engine block, cylinder head, crankshaft, pistons, camshaft, valves, fuel injection system, cooling system, lubrication system, intake and exhaust systems.
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Powertrain Systems:
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Comprehensive parts explosions for transmission components, clutch, PTO, differential, final drives, and axle assemblies.
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Hydraulic Systems:
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Detailed part identification for hydraulic pump, valves, cylinders, hoses, filters, and related components for implement lift and auxiliary functions.
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Steering And Braking:
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Components for mechanical steering systems and dry disc or wet brake systems (depending on configuration).
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Electrical And Lighting:
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Component identification for starter, alternator, battery, wiring harnesses, lighting, and operator controls.
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Operator Station And Body:
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Parts breakdowns for operator platform, seat, controls, cab components (if applicable), fenders, hood, and sheet metal.
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Procedures Included
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Part Identification:
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Primary function is accurate identification of all original manufacturer part numbers through detailed exploded views.
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Assembly And Disassembly:
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Exploded views facilitate understanding of component relationships for disassembly and reassembly processes.
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Ordering Parts:
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Essential for accurate part ordering to ensure correct fitment and function.
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Servicing And Repair:
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Supports routine maintenance, troubleshooting, and component-level repairs by providing visual guidance.
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Technical Depth
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Depth:
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Comprehensive Parts Identification
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Application:
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Ideal for tractor owners, technicians, mechanics, and parts departments needing to identify and order correct replacement parts for maintenance, repair, and overhauls.
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Engine Specifications
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Primary Engine
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Engine Model Details:
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The manual covers parts for the original engine installed in the TN70, which is typically a New Holland (or Fiat Powertrain Technologies) naturally aspirated or turbocharged diesel engine, often in the 3-4 cylinder range.
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Engine Manufacturer:
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Likely New Holland (or Fiat Powertrain Technologies)
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Performance
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Typical Horsepower:
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Approximately 70 HP (gross), though specific PTO horsepower will vary.
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Torque Specifications:
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Specific torque values for engine components are not provided in this parts list, but are essential for repair and found in service manuals.
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Fuel System
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Fuel Type:
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Diesel
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Injection Type:
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Direct Injection (typical for the era, can be mechanical or electronic depending on exact build)
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Transmission
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Standard Transmission
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Transmission Type Details:
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The TN70 typically features a manual transmission with synchronized gears. Common configurations include 12 forward and 12 reverse speeds (12x12) or a creeper gear option. Some models may have a powershift or shuttle shift option for forward/reverse direction changes.
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Clutch Type:
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Single or Dual Clutch (depending on transmission variant, e.g., for PTO engagement).
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Optional Transmission
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Optional Features:
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Synchronized shifters, shuttle-shift (forward/reverse), creeper gear.
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Pto Options:
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Independent PTO (540/1000 RPM) is a common feature, with parts for engagement and drive components listed.
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Maintenance
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Service Intervals
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General Guidance:
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This parts manual does not provide service intervals. Consult the New Holland TN70 Operator's Manual for specific maintenance schedules.
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Fluid Specifications
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General Guidance:
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This parts manual does not list fluid specifications. Refer to the Operator's Manual for engine oil, hydraulic fluid, transmission fluid, and coolant types and capacities.
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Known Issues
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Common Wear Items:
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Common wear items for tractors of this era include clutch components, brake pads, hydraulic hoses, seals, and PTO parts. The parts manual is essential for identifying these specific components.
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Troubleshooting Support:
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While not a troubleshooting manual, accurate part identification is the first step in diagnosing and repairing issues.
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Vehicle History
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Brand Heritage
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Origins:
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New Holland's history traces back to 1895 with a corn mill in Pennsylvania, evolving into farm implements and agricultural machinery. The brand has been part of Ford and later CNH Industrial, incorporating technologies and expertise from legacy brands like Fiat.
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Key Acquisitions:
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Acquired by Ford in 1985, then majority interest sold to FIAT in 1990, leading to the formation of CNH Global.
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Model Evolution
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Series Placement:
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The TN series represents a line of compact to utility tractors that bridged the gap between smaller utility models and larger row-crop tractors, known for their versatility in various agricultural and horticultural applications.
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Production
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Manufacturing Locations:
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New Holland tractors have historically been manufactured in various global locations, including Europe and North America. Specific production location for TN70 models may vary.
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