Category:
        
        
            Agricultural Machinery - Tractors
        
     
    
        
            Target User:
        
        
            Farmers, tractor collectors, mechanics specializing in vintage farm equipment, and parts suppliers.
        
     
    
    
        
            Era Context:
        
        
            The 1960s saw significant advancements in tractor design, focusing on utility, reliability, and increased power output for farming operations.
        
     
    
    
        
            Vintage Appeal:
        
        
            The 61 Series represents a robust and dependable era of Springfield tractors, sought after for their simplicity and durability.
        
     
    
        
            Parts Availability Challenge:
        
        
            For vintage machinery like the 1961 Springfield 61 Series, an accurate parts manual is indispensable due to the limited availability of original parts.
        
     
 
    
    
    
        
            Engine Components:
        
        
            Full coverage of all engine parts, including block, cylinder head, pistons, rings, crankshaft, camshaft, valves, and associated components.
        
     
    
        
            Fuel System:
        
        
            Detailed breakdown of carburetor, fuel pump, fuel lines, filters, and fuel tank components.
        
     
    
        
            Ignition System:
        
        
            Covers distributor, spark plugs, ignition coils, wiring, and related components.
        
     
    
        
            Cooling System:
        
        
            Parts for radiator, water pump, thermostat, hoses, and fan assembly.
        
     
    
        
            Exhaust System:
        
        
            Components for exhaust manifold, pipes, muffler, and hangers.
        
     
    
        
            Transmission:
        
        
            Parts for gearbox, clutch, drive shafts, and associated linkages.
        
     
    
        
            Rear Axle And Drive:
        
        
            Includes differential, axle shafts, housing, and gears.
        
     
    
        
            Brakes:
        
        
            Components for brake drums, shoes, master cylinder, lines, and linkages.
        
     
    
        
            Steering System:
        
        
            Parts for steering column, linkage, steering box, and tie rods.
        
     
    
        
            Front Axle And Suspension:
        
        
            Components for kingpins, bushings, tie rod ends, and shock absorbers (if applicable).
        
     
    
        
            Wheels And Tires:
        
        
            Information on rims, hubs, bearings, and tire fitting.
        
     
    
        
            Electrical System:
        
        
            Parts for generator/alternator, starter motor, battery, lighting, and wiring harness.
        
     
    
        
            Hydraulics And Pumps:
        
        
            Components for hydraulic lift system, pump, control valve, and cylinders.
        
     
    
        
            Power Take Off Pto:
        
        
            Parts for PTO shaft, gears, and clutch mechanisms.
        
     
    
        
            Chassis And Frame:
        
        
            Details on frame components, drawbar, and hitch.
        
     
    
        
            Bodywork And Sheet Metal:
        
        
            Components for fenders, hood, grille, and dashboard.
        
     
    
        
            Operator Controls:
        
        
            Parts for levers, pedals, steering wheel, and instrument panel.
        
     
    
    
        
            Number Of Pages:
        
        
            Estimated 250-350 pages (typical for a comprehensive parts manual of this era).
        
     
    
    
        
            Type:
        
        
            Parts Catalog / Parts Manual
        
     
    
    
    
    
 
    
    
    
        
            Engine Systems:
        
        
            Comprehensive breakdown of all internal and external engine components, including exploded views and part identification numbers.
        
     
    
        
            Drivetrain Systems:
        
        
            Detailed parts listings for the entire drivetrain, from clutch engagement to rear axle assembly.
        
     
    
        
            Braking Systems:
        
        
            Complete parts catalog for the mechanical brake system, essential for safe operation.
        
     
    
        
            Steering And Suspension:
        
        
            Parts for both steering geometry and front axle articulation.
        
     
    
        
            Hydraulic Systems:
        
        
            Identification of all components related to the tractor's hydraulic lift and control functions.
        
     
    
        
            General Maintenance:
        
        
            While a parts manual, it implicitly supports maintenance by identifying parts needed for routine checks and replacements.
        
     
    
    
        
            Part Identification:
        
        
            Primary function is to identify and reference specific tractor parts by their OEM part numbers.
        
     
    
        
            Assembly Disassembly References:
        
        
            Provides exploded diagrams that serve as visual guides for part placement during assembly and disassembly.
        
     
    
        
            Ordering Parts:
        
        
            Facilitates accurate ordering of replacement parts by listing unique part identifiers.
        
     
    
    
        
            Depth:
        
        
            Highly detailed, focusing on component-level part identification and interchangeability where applicable.
        
     
    
        
            Diagrams:
        
        
            Features numerous exploded view diagrams for clear visual representation of component relationships.
        
     
    
        
            Part Number Accuracy:
        
        
            Crucial for ensuring correct replacement parts are sourced, vital for maintaining originality and functionality.
        
     
 
    
    
    
        
            Engine Family:
        
        
            Springfield Inline-4 Cylinder Diesel (common configuration for this era, specific model designation required for exact engine type)
        
     
    
        
            Displacement:
        
        
            Likely in the range of 2.5L - 3.5L (exact specification depends on specific 61 Series variant)
        
     
    
        
            Bore X Stroke:
        
        
            Variable based on exact engine, but representative of typical diesel engines of the period.
        
     
    
        
            Horsepower Rating:
        
        
            Estimated 35-50 PTO horsepower (Power Take-Off), subject to specific engine option.
        
     
    
        
            Torque Rating:
        
        
            Manufacturer-specific, but designed for strong pulling power at low RPM.
        
     
    
    
    
        
            Injection System:
        
        
            Mechanical injection pump (e.g., CAV, Bosch, or similar).
        
     
    
        
            Carburetor Type:
        
        
            Not applicable for diesel models; gasoline variants would use carburetors.
        
     
    
    
        
            Cooling Method:
        
        
            Water-cooled, thermosiphon or fan-assisted.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Constant Mesh Manual Transmission
        
     
    
        
            Number Of Speeds Forward:
        
        
            Typically 6 or 8 speeds forward.
        
     
    
        
            Number Of Speeds Reverse:
        
        
            Typically 2 speeds reverse.
        
     
    
    
        
            Clutch:
        
        
            Single plate dry clutch, foot operated.
        
     
    
        
            Gear Selection:
        
        
            Manual shift levers for range and gear selection.
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Variable by model; typically around 70-80 inches.
        
     
    
        
            Overall Length:
        
        
            Variable by model; typically around 110-130 inches.
        
     
    
        
            Overall Width:
        
        
            Variable by model; typically around 60-70 inches.
        
     
    
        
            Ground Clearance:
        
        
            Variable by model and tire size, designed for agricultural use.
        
     
    
    
        
            Operating Weight:
        
        
            Estimated 3,500 - 4,500 lbs, depending on configuration and ballast.
        
     
    
        
            Front Axle Weight:
        
        
            Significant portion of weight, designed for traction.
        
     
    
        
            Rear Axle Weight:
        
        
            Highest concentration of weight, with provision for wheel weights and ballast.
        
     
 
    
    
    
        
            Safety Standards:
        
        
            As per 1961 agricultural machinery standards; no formal crash ratings.
        
     
    
    
        
            Brakes:
        
        
            Drum brakes, mechanical actuation, requiring regular adjustment.
        
     
    
        
            Traction:
        
        
            Achieved through rear-wheel drive, appropriate tire selection, and potential ballast.
        
     
    
    
        
            Operator Station:
        
        
            Open station design; seat, steering wheel, and control levers are primary operator interfaces.
        
     
    
        
            Guarding:
        
        
            PTO guards and belt guards are standard safety features, detailed in the manual.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 100-200 operating hours or annually, depending on operating conditions. (Refer to specific maintenance manual for exact figures).
        
     
    
        
            Transmission Oil Change:
        
        
            Annually or every 500 operating hours. (Refer to specific maintenance manual for exact figures).
        
     
    
        
            Air Filter Cleaning Or Replacement:
        
        
            Regular inspection and cleaning, replacement as needed based on operating environment.
        
     
    
        
            Greasing Points:
        
        
            Daily or weekly greasing of all grease fittings on steering, drawbar, PTO, and wheel bearings is critical.
        
     
    
    
        
            Engine Oil:
        
        
            API CD or equivalent (e.g., SAE 30 or 10W-30 HD Diesel Engine Oil), capacity approx. 5-7 quarts.
        
     
    
        
            Transmission And Hydraulic Fluid:
        
        
            GL-4 Gear Oil (SAE 80/90) or specific tractor hydraulic fluid (THFD), capacity approx. 15-20 quarts for combined systems.
        
     
    
        
            Coolant:
        
        
            Water with appropriate anti-freeze (Ethylene Glycol based) for climate protection.
        
     
    
    
        
            Wear And Tear:
        
        
            Common wear on clutch components, brake shoes/drums, kingpins, and steering linkages due to age and usage.
        
     
    
        
            Seals And Gaskets:
        
        
            Leaking seals and gaskets in the engine, transmission, and hydraulic system are frequent due to material degradation.
        
     
    
        
            Carburetor Issues:
        
        
            If gasoline variant, fuel system gumming and carburetor adjustments are common maintenance tasks.