This manual covers the International Harvester (IH) Cub Cadet 86, 108, 109, 128, 129, and 149 models, produced in the early to mid-1970s. These tractors are renowned for their dependable, rugged construction and were positioned as a premium line of outdoor power equipment, targeting homeowners with substantial yard maintenance needs. Known for their durability and the availability of a wide range of attachments, these Cub Cadets represent a significant development in the brand's history, offering enhanced power and features. The serial number range for this manual is 400,001 to 481,999.
The purpose of this comprehensive 58-page Owner Operator Maintenance Manual is to provide detailed guidance for the operation, maintenance, servicing, repair, and troubleshooting of your Cub Cadet tractor. It includes in-depth, step-by-step instructions with numerous illustrations and pictures, suitable for both novice owners and professional technicians. Coverage encompasses all major systems, including the engine, transmission, hydraulics, electrical, steering, braking, PTO, front and rear axles, governor, fuel, exhaust, and cooling systems. Procedures for preventative maintenance, routine servicing, engine tune-ups, component disassembly and reassembly, adjustments, lubrication, and safety operation are thoroughly explained.
Make:
International Harvester (IH)
Model:
Cub Cadet 86, 108, 109, 128, 129, 149
Product Type:
Owner Operator Maintenance Manual
Serial Number Range:
400,001 - 481,999
Positioning:
Premium line of outdoor power equipment, known for dependability and rugged construction, targeting homeowners with large yards.
Competitors:
Other garden tractors of the era, but Cub Cadet held a premium reputation.
Features:
Durable construction, wide range of attachments, strong owner loyalty.
Coverage:
Operation, Maintenance, Servicing, Repair, Troubleshooting
Type:
Owner Operator Maintenance Manual
Transmission Service:
Yes
Electrical System Diagrams:
Yes
Front Axle And Suspension:
Yes
Rear Axle And Differential:
Yes
Fuel System Components:
Yes
Cooling System Airflow:
Yes
Preventative Maintenance:
Yes
Troubleshooting Guides:
Yes
Component Disassembly Reassembly:
Yes
Adjustment Procedures:
Yes
Lubrication Schedule:
Yes
Tire And Wheel Maintenance:
Yes
Depth:
Detailed step-by-step instructions for repairs and maintenance, suitable for DIY enthusiasts and professional technicians.
Detail Level:
Includes exploded views for easy component identification and precise adjustment specifications.
Format Details:
Adobe PDF, scalable to several times normal size, printable.
Quality:
Best quality, with tons of illustrations and pictures.
Binding:
Digital Download (Not a physical binder)
Paper:
N/A (Digital Format)
Engine Type:
Kohler Cast Iron Engine (specific model varies by Cub Cadet model: 86, 108, 109, 128, 129, 149)
Engine Displacement Range:
Approx. 10-16 cubic inches (163cc to 265cc)
Engine Cooling:
Air-cooled
Ignition System:
Magneto ignition
Horsepower Range:
Approx. 7 HP to 14 HP (depending on specific model)
Fuel Type:
Unleaded Gasoline
Carburetor:
Updraft or sidedraft carburetor (e.g., Kohler K-series)
Transmission Type:
Manual transaxle (3-speed or 4-speed plus reverse)
Transmission Options:
Hydrostatic transmission (available on some models, like 108, 128, 149)
Gear Selection:
Lever-actuated gear selection
Drive Type:
Shaft drive to rear axle
Wheelbase:
Approx. 46-50 inches (varies slightly by model)
Shipping Weight:
Approx. 500-650 lbs (tractor only)
Safety Focus:
Emphasis on safe operation through clear instructions and diagrams.
Operator Presence:
Likely includes a seat safety switch.
Infotainment System:
N/A (Mechanical tractor with basic controls)
Driver Assistance Features:
N/A
Connectivity Options:
N/A
Oil Change:
Refer to manual for specific intervals, typically every 25-50 operating hours or annually.
Air Filter Cleaning:
Refer to manual, typically checked and cleaned at 25-hour intervals.
Spark Plug Replacement:
Refer to manual, typically annually or every 100 hours.
Engine Oil Type:
API Service SC, SD, SE, or SF; SAE 30W (check manual for precise viscosity based on temperature).
Engine Oil Capacity:
Refer to manual, typically 1.5-2 quarts.
Transmission Hydraulic Fluid:
IH Hy-Trans or equivalent (e.g., John Deere J20C specification fluid for hydrostatic models).
Transmission Hydraulic Capacity:
Refer to manual, typically 4-5 quarts.
Grease Type:
General Purpose Lithium Grease (e.g., NLGI #2).
Common Problems:
Wear on hydrostatic transmission, carburetor issues, electrical system (points, condensers), governor adjustments, PTO clutch wear.
Heritage:
Cub Cadet was established in 1961 as part of International Harvester's strategy to enter the growing lawn and garden equipment market.
Evolution:
These models represent a significant phase in Cub Cadet's development, offering increased power and features over earlier iterations.
Production Period:
Early to mid-1970s (based on serial number range)
Manufacturing Location:
USA (Louisville, Kentucky plant for Cub Cadet)