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Introduction
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Market Position
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Segment:
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Compact Utility Tractor / Small Ag Tractor
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Target User:
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Small to medium-sized farms, horticultural operations, landscaping, property maintenance.
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Competitive Analysis
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Key Competitors:
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John Deere (e.g., 5 Series), Kubota (e.g., M Series), Massey Ferguson (e.g., 1500/2600 Series), Mahindra.
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Key Features
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Supersteer Front Axle:
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Enhanced maneuverability with a tighter turning radius, reducing crop damage and improving field efficiency.
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Versatility:
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Designed for a wide range of agricultural tasks, from tillage and planting to mowing and material handling.
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Operator Comfort:
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Focus on ergonomic design and operator station comfort for extended working hours.
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Manual Coverage
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Systems Covered
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Engine Assembly:
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Detailed breakdown of engine components, including cylinder block, head, pistons, crankshaft, camshaft, fuel system, lubrication system, cooling system.
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Powertrain:
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Components for transmission, differential, final drives, PTO (Power Take-Off).
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Hydraulic System:
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Parts for hydraulic pump, valves, cylinders, hoses, and hydraulic accessories.
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Chassis And Steering:
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Includes front axle, rear axle, steering components (specifically SuperSTEER), suspension parts.
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Electrical System:
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Wiring harnesses, lights, alternator, starter, battery components, switches, and related electrical parts.
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Operator Station:
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Components for the cabin, operator's seat, controls, dashboard, and safety features.
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Braking System:
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Parts related to the braking mechanisms.
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Rolling Stock:
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Wheels, tires, and associated hardware.
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Attachments And Options:
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Parts for factory-installed or common dealer-installed attachments and options.
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Procedures Included
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Part Identification:
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Primary function is to identify specific part numbers for ordering and replacement.
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Assembly Disassembly Guidance:
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Provides exploded views and breakdowns to understand component relationships and aid in disassembly/reassembly.
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Troubleshooting Support:
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Indirectly aids troubleshooting by identifying correct replacement parts for faulty components.
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Technical Depth
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Depth:
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High: Detailed parts explosions, component breakdowns, and specific part numbers are provided for comprehensive identification.
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Application:
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Essential for parts procurement, service, repair, and restoration of the New Holland TN55S.
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Maintenance
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Service Intervals
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Engine Oil Change:
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Typically every 250-500 hours, or annually, depending on usage.
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Fuel Filter Replacement:
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Recommended at regular intervals, often with oil changes or every 500 hours.
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Hydraulic Fluid Change:
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Typically every 500-1000 hours, or annually.
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Fluid Specifications
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Engine Oil:
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API CG-4 or CH-4 rated diesel engine oil, viscosity typically SAE 15W-40. Refer to specific manual for exact API classification and OEM approval.
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Hydraulic Fluid:
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New Holland CNH approved hydraulic fluid or equivalent, such as ISO VG 46 or 32, depending on application and temperature. Check manual for exact specification (e.g., NH 410B).
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Transmission Fluid:
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Specific transmission fluid (e.g., TDTO - Transmission Drive Train Oil) or gear oil as per manual. Common is SAE 80W-90 or 90W.
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Known Issues
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Common Wear Items:
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Clutch wear, PTO engagement issues, hydraulic pump wear, seal leaks, electrical component corrosion (common in agricultural environments).
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Supersteer Specific:
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Potential for wear in SuperSTEER pivot points and linkages, requiring periodic greasing and alignment checks.
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Filter Part Numbers
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Engine Oil Filter:
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Part number will vary by engine, but typically a common spin-on filter like 83725890 or equivalent.
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Fuel Filter:
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Specific part number to be confirmed via manual, e.g., 84001513 or similar.
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Hydraulic Filter:
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Part number will vary; check manual for specific filter element, e.g., 83990206 or similar.
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