Industry Segment:
Heavy-duty agricultural tractors
Competitors:
John Deere, Case IH, Massey Ferguson, Ford/New Holland (pre-merger era)
Target User:
Farm owners, agricultural mechanics, service technicians, equipment operators
Value Proposition:
Enables efficient diagnosis, maintenance, and repair of New Holland Series 70 tractors, reducing downtime and operational costs.
Systems Covered:
General Information, Engine, Transmission, Drive Lines, Front Mechanical Drive, Rear Drive Axle, Power Take Off (PTO), Brakes and Controls, Hydraulic Systems, Steering, Two-Wheel Drive Axle, Climate Control, Electrical Systems, Platform, Cab, and Bodywork
Type:
Workshop Service Repair Manual
Format:
Digital (Searchable PDF)
Engine:
Detailed diagnostics, repair procedures, component identification, specifications for the power unit.
Transmission:
Coverage for power shift transmissions, including troubleshooting, overhaul procedures, and component replacement.
Drive Lines:
Includes front and rear drive axle repairs, differential assemblies, propshafts, and CV joints.
Front Mechanical Drive:
Specific repair and maintenance procedures for the front PTO and mechanical drive components.
Rear Drive Axle:
Detailed breakdown and assembly of the rear drive axle, including final drives and differential.
Power Take Off:
Maintenance, troubleshooting, and repair of the PTO system, including engagement and output shaft.
Brakes And Controls:
Hydraulic and mechanical brake system diagnostics, service, and component replacement.
Hydraulic Systems:
Comprehensive coverage of the tractor's hydraulic systems, including pumps, valves, cylinders, and auxiliary circuits.
Steering:
Repair and adjustment procedures for the power steering system.
Two Wheel Drive Axle:
Maintenance and repair for the two-wheel drive axle configuration.
Climate Control:
Service and repair of the HVAC system, including refrigerant handling and component diagnostics.
Electrical Systems:
Detailed wiring diagrams, troubleshooting guides, component testing, and repair for the electrical system, including lighting and instrumentation.
Platform Cab Bodywork:
Procedures for the maintenance and repair of the operator's platform, cab structure, doors, panels, and interior components.
Maintenance:
Scheduled maintenance tasks, fluid checks, lubrication, filter replacement, and general upkeep.
Troubleshooting:
Systematic diagnostic steps for identifying and resolving common and complex operational issues.
Repair:
Step-by-step instructions for component removal, overhaul, reassembly, and replacement.
Diagnostics:
In-depth guides for diagnosing faults within all major systems using both visual inspection and diagnostic tools.
Depth:
Comprehensive, covering everything from routine maintenance to complete engine and transmission overhauls.
Engine Manufacturer:
Cummins (likely, common for this era/class)
Engine Model Series:
Specific models would be detailed within the manual, likely 6-cylinder turbocharged diesel.
Horsepower Range:
Varies by model (e.g., 8670 likely lower end, 8970 higher end). Detailed specs within manual.
Torque Range:
Varies by model. Detailed specs within manual.
Injection System:
Likely mechanical or electronic unit injectors, depending on specific engine variant.
Coolant Capacity:
Specifications provided within manual. Typically a pressurized system.
Oil Capacity:
Specifications provided within manual.
Oil Type:
Likely API CD or CE rated diesel engine oil, viscosity grade dependent on ambient temperature (e.g., 15W-40). Specifics in manual.
Type:
Powershift (e.g., 16x9 or similar configurations)
Features:
Creep speeds, engine memory settings, automatic shifting logic.
Transmission Fluid Type:
Specific tractor transmission fluid (e.g., Hy-Trans or equivalent). Exact specifications and change intervals detailed in manual.
Transmission Fluid Capacity:
Specifications provided within manual.
Wheelbase:
Specifications vary by model and axle configuration. Detailed in manual.
Operating Weight:
Significant, likely in the range of 15,000-20,000 lbs (7,000-9,000 kg) depending on configuration. Exact figures in manual.
Max Gross Weight:
Specifications provided within manual.
Cab Features:
Features would have included advanced operator comfort for the time, likely with basic radio integration and climate control.
Electronic Controls:
Likely electronic control of PTO engagement, transmission functions, and hydraulic systems.
Diagnostic Ports:
Likely includes diagnostic ports for engine and transmission management systems, facilitating data retrieval.
Engine Oil Change:
Typically 250-500 hours, depending on operating conditions. Specific interval in manual.
Transmission Fluid Change:
Typically 1000-2000 hours. Specific interval in manual.
Hydraulic Fluid Change:
Typically 1000-2000 hours. Specific interval in manual.
Engine Oil Specification:
Refer to manual for exact OEM specification or API classification (e.g., CCMC D5, API CG-4 or equivalent).
Hydraulic Fluid Specification:
Refer to manual for specific New Holland fluid specifications (e.g., NH 410B or equivalent).
Common Faults:
Potential issues could include electronic control unit (ECU) glitches, hydraulic system leaks, or wear on drivetrain components due to heavy use. Manual provides troubleshooting for these.
Engine Oil Filter:
Specific part numbers will be listed in the manual, e.g., Fleetguard LF3000 series or equivalent.
Fuel Filter:
Specific part numbers will be listed in the manual.
Hydraulic Filter:
Specific part numbers will be listed in the manual.
Brand Origin:
New Holland, a long-standing manufacturer in agricultural machinery.
Series Context:
The Series 70 tractors represented a significant step in New Holland's tractor development, often featuring advanced transmissions and hydraulic systems for their time.
Production Era:
Likely mid-to-late 1990s. Exact production years for each model are detailed within the manual or through specific serial number lookups.
