This manual covers the Case IH 956, 956XL, 1056, and 1056XL tractors, a series renowned for its robust engineering and reliability in utility and heavy-duty agricultural applications. Produced from the mid-1980s to the early 1990s, these tractors are built upon a strong International Harvester heritage, emphasizing durability and ease of maintenance. The XL variants offer enhanced operator comfort and capacity, making these machines versatile for a wide range of farming operations. With powerful Case IH DT Series diesel engines, typically 6-cylinder, and dependable transmission options including Synchromesh and potential powershift capabilities, these tractors were designed for demanding work.
This comprehensive Service Repair Workshop Manual provides detailed information essential for the maintenance, diagnosis, and repair of your Case IH tractor. It covers all major mechanical and electrical systems, including the engine, transmission, drivetrain, hydraulics, steering, PTO, and braking systems, as well as operator station components. Within its extensive pages, you will find lubrication schedules, fluid specifications, filter replacement guidelines, troubleshooting charts, and step-by-step procedures for component disassembly, overhaul, and reassembly. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their 956, 956XL, 1056, or 1056XL tractor.
Model:
956, 956XL, 1056, 1056XL
Product Type:
Tractor Service Repair Workshop Manual
Series Codes:
956, 956XL, 1056, 1056XL
Tractor Segment:
Utility and Heavy-Duty Agricultural Tractors
Competitors Historical:
John Deere (e.g., 30 Series), Massey Ferguson (e.g., 3000 Series), Ford/New Holland (e.g., 40 Series), Deutz-Fahr
Tractor Design Philosophy:
Robust, reliable, and versatile agricultural tractors designed for a wide range of farming operations. Emphasizes durability and ease of maintenance.
Xl Variant Distinction:
XL variants typically denote a more spacious operator station, potentially enhanced hydraulic capacity, or specific drivetrain configurations for heavier applications.
Estimated Pages:
High (typically 500+ pages for comprehensive tractor manuals, exact count not specified)
Type:
Service Repair Workshop Manual
Language:
English (standard for most Case IH technical documentation)
Format:
Digital (likely PDF, potentially printable)
Mechanical Systems:
Engine, Transmission (including powershift if applicable), Drivetrain, Axles (Front & Rear), Steering System, Hydraulic System, PTO (Power Take-Off), Braking System
Electrical Systems:
Wiring Diagrams, Lighting, Starting System, Charging System, Instrumentation, Electronic Controls (if applicable)
Operator Station:
Cab, Controls, Seat, HVAC (if equipped)
Maintenance:
Lubrication schedules, Fluid checks and changes, Filter replacements, Greasing points
Diagnostics:
Troubleshooting guides, Symptom-based diagnosis, Diagnostic charts, Fault code interpretation (if applicable)
Repair:
Component disassembly and reassembly, Component overhaul, Calibration procedures, Adjustment specifications
Installation:
Component installation, Accessory installation (if covered)
Depth:
Comprehensive: Includes detailed diagrams, torque specifications, clearances, tolerances, and step-by-step instructions for both routine maintenance and major overhauls.
Digital Format:
PDF (Portable Document Format) for wide compatibility and searchability.
Digital Quality:
High-resolution scans or original digital files, ensuring clarity of text and diagrams.
Physical Binding If Applicable:
N/A (digital format), if printed would typically be spiral-bound or perfect-bound for durability.
Physical Paper Type If Applicable:
N/A (digital format), if printed would typically be heavy-weight paper suitable for workshop environments.
Engine Family:
Case IH DT Series Diesel Engines (likely based on established IH/Cummins architecture)
Cylinder Count:
Typically 6 cylinders
Displacement 956:
Approximately 5.9 Liters (360 cubic inches)
Displacement 1056:
Approximately 5.9 Liters (360 cubic inches), potentially with higher power output tuning
Horsepower 956 Gross:
Estimated 95 HP (956 model)
Horsepower 1056 Gross:
Estimated 105 HP (1056 model)
Injection Type:
Direct Injection, likely with rotary or inline fuel injection pump (e.g., Bosch)
Cooling System:
Liquid-cooled, Pressurized system
Bore Stroke:
Typically around 3.90" x 4.72" (99mm x 120mm), but exact specifications would be in the manual.
Compression Ratio:
Typically in the range of 16:1 to 18:1.
Transmission Type 956:
12-speed Synchromesh (12 Forward, 4 Reverse) or 16-speed Synchromesh, depending on configuration.
Transmission Type 1056:
12-speed Synchromesh or 16-speed Synchromesh, potentially with optional powershift (Hi-Lo).
Powershift Option:
Powershift (e.g., 16 Fwd / 16 Rev or 20 Fwd / 12 Rev) may be available on some models or as an option, especially for XL variants.
Clutch Type:
Dual-stage clutch (for transmission and PTO engagement).
Pto Speed:
Standard 540/1000 RPM PTO, potentially with ground speed PTO option.
Overall Length Approx:
170-180 inches (4300-4600 mm), highly variable with options and configuration.
Wheelbase Approx:
95-105 inches (2400-2650 mm)
Operating Weight Approx:
8,000 - 10,000 lbs (3600 - 4500 kg), depending on configuration (2WD/4WD, cab, etc.)
Max Gross Weight Approx:
14,000 - 16,000 lbs (6350 - 7250 kg)
Rollover Protection:
ROPS (Roll-Over Protective Structure) is standard or a mandatory option for operator safety.
Braking System Type:
Hydraulic disc brakes, typically wet-disc for durability and consistent performance.
Operator Station Safety:
Operator presence detection (if electronic controls are present), seat belt, safety glass.
Operator Interface:
Basic analog gauges and indicator lights for engine status, fuel level, temperature, and oil pressure. May include a tachometer and hour meter.
Steering System:
Hydrostatic power steering system for reduced operator fatigue.
Tractor Management:
Minimal electronic management. Focus is on mechanical reliability and operator control.
Engine Oil Change:
Typically every 250-500 operating hours, depending on oil type and operating conditions (refer to manual for precise intervals).
Hydraulic Fluid Change:
Typically every 1000-1500 operating hours.
Fuel Filter Replacement:
Recommended every 250-500 operating hours or as needed.
Engine Oil Type:
API CD or CE rated diesel engine oil, SAE 15W-40 is common for general use (check manual for specific viscosity based on temperature).
Hydraulic Fluid Type:
Case IH Hy-Tran Plus or equivalent universal tractor transmission fluid (UTTF) meeting specific Case IH specifications.
Coolant Type:
Ethylene glycol based antifreeze with appropriate corrosion inhibitors, typically a 50/50 mix with distilled water.
Common Wear Points:
Clutch wear, hydraulic pump performance degradation, PTO clutch engagement issues, alternator failure, minor electrical connection corrosion.
Engine Related:
Potential for injector pump issues, turbocharger wear (if equipped), cooling system leaks.
Manufacturer Origin:
International Harvester (IH) heritage, continued under Case IH after acquisition.
Series Introduction:
Part of the 56 Series family, representing a significant advancement in IH tractor design during the 1980s.
Technological Advancements:
Introduced improved hydraulics, operator comfort, and more powerful engines compared to predecessors.
Production Period Approx:
Mid-1980s to early 1990s (exact years vary by market and specific model refinement).
Manufacturing Locations:
Primarily manufactured at International Harvester/Case IH facilities in North America and Europe.
Industry Awards:
No specific widely publicized awards for these particular models are readily available, but the series was generally well-regarded for its robustness in its class.
Reliability Reputation:
Generally good reputation for mechanical durability and reliability, a hallmark of IH/Case IH tractors of that era.
