Model:
66, 77, 88, Super 66, Super 77, Super 88, 770, 880
Manual Product Name:
Oliver Tractor 66 77 88 Super 66 Super 77 Super 88 770 880 Complete Workshop Service Repair Manual
Value Proposition:
Empowers owners and mechanics to perform all service and repair tasks, saving significant costs compared to professional dealer services. High-quality, detailed, and easy-to-follow instructions.
Manual Advantage:
Offers complete, consolidated information for a range of historically significant Oliver tractor models, providing a singular resource for all maintenance and repair needs.
Digital Access:
Instant download and email delivery, accessible on PC, Mac, tablets, and smartphones. Allows for printing of specific sections.
Instruction Style:
Step-by-step instructions accompanied by clear illustrations and diagrams.
Scope:
Complete service and repair procedures for all specified Oliver tractor models and variants.
Estimated Pages:
Variable, typically 500+ pages for comprehensive workshop manuals covering multiple models.
Type:
Workshop Service Repair Manual
Primary Language:
English
Delivery Format:
Downloadable Digital File (PDF)
Engine:
All engine types, including overhaul, fuel system, lubrication, cooling, ignition (where applicable), starting and charging systems.
Transmission:
Gearbox, clutch, PTO (Power Take-Off), hydraulics, differential, final drives.
Chassis And Steering:
Front axle, steering system components, rear axle, brakes.
Electrical System:
Wiring diagrams, lighting, battery, starter, generator/alternator.
Body And Operator Station:
Sheet metal, controls, operator seat, instrumentation (if applicable).
Maintenance:
Routine servicing, lubrication schedules, filter changes, tune-up procedures.
Troubleshooting:
Diagnostic charts, identification of common problems and solutions.
Repair:
Detailed step-by-step instructions for disassembly, inspection, repair, and reassembly of all major components.
Overhaul:
Complete engine rebuild procedures, transmission overhaul, hydraulic system overhauls.
Adjustment:
Clutch adjustment, brake adjustment, valve lash adjustments, hydraulic control adjustments.
Depth:
Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds. Includes diagnostic information and specifications.
Engine Family:
Oliver's own diesel and gasoline engines, often Perkins-derived or manufactured under license, depending on the specific model and year. Common engines include the Oliver/Perkins diesel series.
Typical Horsepower:
Varies significantly by model: 66 series typically 30-40 HP, 77 series 40-50 HP, 88 series 50-60+ HP. 770 and 880 models generally represent upgraded versions with potentially higher power outputs.
Carburetion Injection:
Gasoline models utilize carburetor systems. Diesel models feature robust diesel injection pump systems (e.g., CAV, Simms, or Bosch depending on engine source).
Cooling Type:
Water-cooled, typically with a thermostat-controlled system and fan.
Oil Pump Type:
Gear-driven oil pump, integrated within the engine block.
Gearbox Type:
Constant mesh, sliding gear transmissions. Common configurations include 4, 5, or 6 forward gears and one or two reverse gears. Some models feature a creeper gear option.
Transmission Options:
Some models may have offered dual-range transmissions or live PTO (Power Take-Off) options.
Clutch Type:
Single dry-plate clutch for primary transmission engagement. Dual-clutch systems for independent PTO engagement were available on some models.
Hydraulic System:
Integrated hydraulic system for implement control (e.g., 3-point hitch, external hydraulics). Features may include position control, draft control, and live hydraulics.
Wheelbase:
Varies by model, typically around 80-90 inches for the standard wheel tractor configurations.
Operating Weight:
Generally in the range of 4,000 - 6,000 lbs (1800 - 2700 kg) depending on configuration and implement hitch.
Drawbar Horsepower:
Often specified as a key performance metric, typically correlating to engine horsepower but adjusted for drivetrain efficiency.
Operator Protection:
Original models predate modern ROPS (Roll-Over Protective Structure) and seatbelt mandates. Manual would detail safe operating practices and potential modifications.
Braking System:
Mechanical drum brakes or expanding shoe brakes acting on the rear axle or transmission brake shaft. Manual covers adjustment and servicing.
Operator Station Design:
Open operator station; manual would describe the ergonomic layout and control placements for safe operation.
Operator Interface:
Basic mechanical controls, dashboard gauges (oil pressure, coolant temperature, ammeter/voltmeter), and warning lights.
Traction Enhancement:
Rear-wheel drive; differential lock often available on higher horsepower models for improved traction. Manual details operation and maintenance.
Power Take-Off:
PTO systems (540 RPM standard) for driving implements. Manual covers PTO engagement, maintenance, and potential troubleshooting.
Engine Oil Change:
Typically every 50-100 operating hours, depending on operating conditions and oil type used. Manual will specify exact interval and oil recommendation.
Fuel Filter Change:
Recommended at regular intervals, often alongside oil changes or annually. Manual provides specific guidance.
Air Filter Service:
Service or replacement based on operating environment (dusty conditions require more frequent checks). Manual details cleaning and replacement procedures.
Engine Oil:
Viscosity typically SAE 30 or 10W-30 for diesel, SAE 10W or 20W for gasoline, depending on ambient temperature. Manual will list specific API classifications and recommended brands/types.
Transmission Hydraulic Fluid:
Often a dedicated tractor hydraulic fluid (THF) or engine oil, depending on the integrated transmission/hydraulic system design. Manual specifies capacity and type (e.g., TO-2 specification fluids for power transmission).
Coolant:
Mixture of antifreeze and water, typically 50/50, providing freeze and corrosion protection. Manual specifies type and capacity.
Engine Wear:
Common wear items include piston rings, cylinder liners, valve guides, and bearings due to age and operating hours. Manual provides rebuild specifications.
Hydraulic System:
Leaks from seals and hoses, worn hydraulic pump or control valves. Manual guides diagnosis and repair.
Transmission Clutch:
Clutch wear, difficulty shifting gears due to worn synchronizers or shift forks. Manual covers clutch adjustment and overhaul.
Manufacturer:
Oliver Corporation, a prominent American manufacturer of farm machinery known for its distinctive green and yellow paint scheme.
Series Progression:
The 66, 77, and 88 series represented Oliver's core row-crop tractor offerings from the post-WWII era through the 1950s. The 'Super' models were enhanced versions, and the 770 and 880 represented later iterations and upgrades within these series.
Production Era:
These models primarily span from the late 1940s through the 1950s and into the early 1960s.
Manufacturing Location:
Charles City, Iowa, USA.
