Product Offering:
Instant download digital service manual for immediate repair access.
Ease Of Use:
Easy to read text sections with top quality diagrams and instructions.
Target Audience:
Suitable for both DIY enthusiasts and experienced mechanics.
Download Benefit:
No shipping, no waiting, immediate access for urgent repairs.
Coverage Type:
Complete Service and Repair
Primary Coverage:
McCormick MC90 / MC 90 Tractor
Diagram Quality:
Top quality diagrams and illustrations.
Estimated Page Count:
Likely 500+ pages (typical for comprehensive tractor service manuals)
Manual Type:
Workshop Service Repair Manual
Manual Purpose:
Service, Repair, Troubleshooting, Maintenance.
Delivery Method:
Instant Download
Engine Systems:
Engine overhaul, fuel system, cooling system, lubrication system, intake and exhaust, engine tuning, emission controls.
Transmission Systems:
Gearbox, clutch, powershift (if applicable), PTO (Power Take-Off), differential, final drives, hydraulic transmission controls.
Hydraulic Systems:
Hydraulic pump, control valves, cylinders, hydraulic fluid circuits, hydraulic filters, hydraulic system troubleshooting.
Electrical Systems:
Wiring diagrams, starter system, charging system, lighting, instruments, sensors, ECU (Engine Control Unit), diagnostic codes.
Chassis And Steering:
Front axle, rear axle, steering system (hydraulic power steering), brakes (service brake, parking brake), hitch system.
Body And Operator Station:
Cab, operator controls, seating, fenders, ballast mounting, front and rear weights.
Drivetrain Components:
Clutch assembly, gearbox, intermediate shafts, drive shafts, front and rear differentials, final drive reduction gears.
Maintenance Procedures:
Routine checks, lubrication, filter replacements, fluid changes, pre-operation inspections, post-operation checks.
Repair Procedures:
Step-by-step instructions for disassembly, repair, reassembly of all major components and systems.
Troubleshooting:
Diagnostic charts, symptom analysis, identification of common problems and their solutions, diagnostic fault codes.
Technical Specifications:
Torque values, clearances, tolerances, fluid capacities, pressure specifications.
Component Rebuilding:
Detailed procedures for rebuilding major components such as the engine, transmission, hydraulic pump, and cylinders.
Depth Of Coverage:
Comprehensive, covering complete disassembly to advanced diagnostics and repair for both novice and experienced mechanics.
Engine Manufacturer:
Likely Perkins (common in McCormick tractors of this era)
Engine Model:
Perkins 1104C-44T (common for MC90 series)
Engine Type:
4-cylinder, turbocharged, diesel
Rated Horsepower:
Approximately 90 HP (Horsepower)
Engine Displacement:
Approximately 4.4 Liters (4400 cc)
Fuel Injection:
Direct injection, likely electronically controlled (common for emissions compliance)
Emission Standards:
Likely meets Tier II or similar emissions standards for its production era.
Transmission Type:
Manual Synchromesh or PowerReverser (hydro-mechanical shuttle)
Optional Transmission:
PowerShift (likely a 16x16 or 24x24 configuration with powershift gears)
Pto Options:
Standard 540/1000 RPM PTO, possibly optional 540E/1000E PTO
Gear Selection:
Likely a combination of main gear levers and range selectors, plus PTO engagement lever.
Brake System:
Hydraulically activated, wet disc brakes are common for this class of tractor.
Engine Oil Change:
Typically every 250 hours or annually, whichever comes first.
Hydraulic Oil Change:
Typically every 1000-1200 hours or annually.
Fuel Filter Replacement:
Recommended at engine oil change intervals or as needed.
Engine Oil Type:
API CG-4 or higher, SAE 15W-40 (consult specific manual for exact spec).
Hydraulic Fluid Type:
UTTO (Universal Tractor Transmission Oil) or equivalent, meeting ISO 11158 HH/HV or John Deere JDM J20C specifications.
Coolant Type:
Ethylene glycol based antifreeze (50/50 mix with distilled water).
Common Wear Items:
Clutch wear, hydraulic pump output degradation, PTO engagement issues, electrical connector corrosion.
Engine Idling Problems:
Can be related to fuel system, air intake, or turbocharger issues.
