Segment:
Garden Tractor / Compact Utility Tractor
Target User:
Homeowners, small property owners, light agricultural users
Competitors:
John Deere 200 Series, Case IH garden tractors, Ford garden tractors of similar era
Tractor Features:
Robust construction, capable of powering various attachments (mower, tiller, snow blower, etc.), hydrostatic transmission options common
Manual Value:
Essential for maintenance, repair, and parts identification of the Allis-Chalmers 720 tractor, enabling owners to maximize lifespan and utility.
Engine:
Yes (Overhaul, troubleshooting, diagnostics, specifications)
Fuel System:
Yes (Carburetor, fuel lines, fuel pump, tank)
Cooling System:
Yes (Radiator, fan, thermostat, water pump)
Electrical System:
Yes (Ignition, charging system, starter, lighting, wiring diagrams)
Transmission Drivetrain:
Yes (Clutch, gearbox, differential, PTO, drive shafts)
Hydraulic System:
Yes (Hydraulic pump, cylinders, control valves, reservoir, fluid specifications)
Steering System:
Yes (Linkage, steering column, components)
Brake System:
Yes (Brake mechanisms, hydraulics, adjustments)
Chassis Frame:
Yes (Frame inspection, repairs)
Front Axle:
Yes (Steering components, kingpins, spindles)
Rear Axle Assembly:
Yes (Final drives, bearings)
Power Takeoff Pto:
Yes (Rear PTO, mid-PTO if applicable)
Operator Controls:
Yes (Levers, pedals, dashboard functions)
Operator Station:
Yes (Seat, fenders, controls layout)
Bodywork Sheetmetal:
Yes (Fenders, hood, grille)
Routine Maintenance:
Yes (Lubrication, fluid changes, filter replacements)
Troubleshooting:
Yes (Diagnostic charts, common problem solutions)
Engine Overhaul:
Yes (Disassembly, inspection, reassembly, tolerances)
Transmission Repair:
Yes (Gearbox service, clutch replacement)
Hydraulic System Repair:
Yes (Pump, valve, cylinder service)
Electrical Diagnostics:
Yes (Wiring diagrams, component testing)
Brake Adjustment And Repair:
Yes
Steering System Adjustment And Repair:
Yes
Part Identification:
Yes (Illustrated Parts Catalog)
Special Tool Usage:
Yes (Where applicable)
Depth:
Comprehensive (Factory service level)
Scope:
Full rebuild and repair procedures, detailed troubleshooting
Engine Oil Change:
Every 50 hours or annually
Oil Filter Replacement:
With every oil change
Air Filter Cleaning Replacement:
As needed, or every 100 hours
Fuel Filter Replacement:
Annually or as needed
Spark Plug Replacement:
Annually or every 200 hours
Engine Oil Type:
SAE 30W or 10W-30 (refer to manual for specific temperature range recommendations)
Hydraulic Fluid Type:
ATF (Automatic Transmission Fluid) or specific tractor hydraulic fluid (refer to manual for exact specification)
Gear Oil Type:
GL-1 or GL-4 Gear Lube (refer to manual for specifications)
Common Problems:
Wear on hydrostatic transmission, carburetor issues due to age, electrical connection corrosion, fuel line degradation.