This workshop service repair manual covers the Allis-Chalmers B Series Tractors, including models such as B-1, B-10, B-12, B-110, B-112, HB-112, HB-212, B-206, B-206E, B-207, B-207E, B-208, B-208E, and Big Ten. These tractors, produced during the mid-20th century, are known for their reliability and versatility in agricultural and industrial applications. Designed for broad utility and ease of maintenance, the B Series represents Allis-Chalmers' significant contribution to the small to medium horsepower tractor market. The manual provides comprehensive information to assist owners and technicians in understanding and maintaining these robust machines.
This factory service manual offers detailed, step-by-step instructions for complete disassembly, reassembly, maintenance, troubleshooting, repair, and diagnostics. It covers a wide range of systems including the engine, fuel system, ignition, cooling, lubrication, clutch, transmission, differential, final drives, steering, brakes, hydraulics, electrical system, chassis, body, and power take-off (PTO). With hundreds of pages, including numerous photos and illustrations, this English-language manual is an invaluable resource for do-it-yourself owners, experienced mechanics, and service technicians. It empowers users to perform repairs efficiently, saving time and money while ensuring the longevity of their Allis-Chalmers B Series tractors.
    
    
    
    
    
    
        
            Covered Models:
        
        
            B-1, B-10, B-12, B-110, B-112, HB-112, HB-212, B-206, B-206E, B-207, B-207E, B-208, B-208E, Big Ten
        
     
    
        
            Product Type:
        
        
            Workshop Service Repair Manual
        
     
 
    
    
    
        
            Target Audience:
        
        
            Do-it-yourself owners, experienced mechanics, service technicians
        
     
    
        
            Historical Significance:
        
        
            The B Series represented Allis-Chalmers' contribution to the highly competitive and popular small to medium horsepower tractor market of its era.
        
     
    
    
        
            Value Proposition:
        
        
            Inexpensive way to maintain and repair, saves money on labor, empowers owners to understand their machinery
        
     
    
    
        
            Manual Features:
        
        
            Hundreds of pages, printable entire or by section, hundreds of photos/illustrations, detailed substeps, notes/cautions/warnings, numbered instructions, bold figure numbers, enlarged insets, numbered table of contents, diagnostic and electrical troubleshooting with wiring diagrams
        
     
    
        
            Diagnostic Tools:
        
        
            The manual includes troubleshooting sections that aid in diagnosing common problems without requiring specialized diagnostic equipment.
        
     
    
        
            Parts Catalog Integration:
        
        
            The inclusion of a parts catalog within the service manual aids in identifying and ordering replacement parts, a significant advantage for users.
        
     
 
    
    
    
        
            Sections Covered:
        
        
            Specifications, Engine, Hydrostatic Drive Unit, Power Train, Wiring Diagram, B-Series Attachments, Parts Catalog
        
     
    
    
        
            Estimated Pages:
        
        
            Hundreds
        
     
    
    
        
            Type:
        
        
            Factory Service Manual
        
     
    
    
    
    
 
    
    
    
        
            Systems:
        
        
            Engine, Fuel System, Ignition System, Cooling System, Lubrication System, Clutch, Transmission, Differential, Final Drives, Steering, Brakes, Hydraulics, Electrical System, Chassis, Body, Power Take-Off (PTO), Attachments
        
     
    
        
            Engine Diagnostics:
        
        
            Troubleshooting engine performance issues, compression testing, carburetor tuning, ignition timing, cooling system diagnosis
        
     
    
        
            Hydraulic System Service:
        
        
            Operation of hydraulic pump, control valves, cylinders, troubleshooting lift and implement control issues
        
     
    
        
            Body And Chassis:
        
        
            Frame inspection and repair, fender mounting, control lever linkages, mounting of accessories
        
     
    
    
        
            Procedures:
        
        
            Complete disassembly and reassembly, maintenance, troubleshooting, repair, diagnostics, electrical system servicing, component replacement, adjustments
        
     
    
        
            Powertrain Repair:
        
        
            Clutch replacement, transmission overhaul, differential service, final drive repairs, axle replacement
        
     
    
        
            Steering System Repair:
        
        
            Adjustment and repair of steering gearbox, tie rod ends, and linkages
        
     
    
        
            Engine Rebuild:
        
        
            Detailed instructions for complete engine overhaul, including piston ring replacement, bearing service, cylinder head reconditioning
        
     
    
    
        
            Depth:
        
        
            Comprehensive, detailed step-by-step instructions, from basic maintenance to advanced repair procedures
        
     
    
        
            Electrical System:
        
        
            Detailed wiring diagrams, troubleshooting of starting and charging systems, lighting, and accessory circuits
        
     
    
        
            Attachment Installation:
        
        
            Guidance on installing and servicing common B-Series attachments like cultivators, mowers, and loaders
        
     
    
        
            Part Identification:
        
        
            Includes diagrams and descriptions for component identification, crucial for ordering correct parts
        
     
 
    
    
    
        
            Format Details:
        
        
            Adobe PDF
        
     
    
        
            Compatibility:
        
        
            Works on all PC based Windows operating systems and Mac
        
     
    
        
            Portability:
        
        
            Can be saved to hard drive and burned to CD-ROM
        
     
    
    
        
            Printability:
        
        
            Printable without restriction
        
     
    
        
            Layout Features:
        
        
            Optimized for printing individual pages or the entire manual
        
     
    
        
            Resolution And Clarity:
        
        
            High-resolution scans ensuring clarity of text and images for accurate service
        
     
    
    
        
            Binding:
        
        
            N/A (Digital Download)
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital Download)
        
     
 
    
    
    
        
            Engine Type:
        
        
            Gasoline, Diesel (specifics vary by model within B Series)
        
     
    
        
            Engine Construction:
        
        
            Cast iron block and head, overhead valve (OHV) or L-head (depending on specific engine)
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled, typically with a radiator, fan, and water pump
        
     
    
        
            Ignition System:
        
        
            Battery ignition system with distributor and spark plugs
        
     
    
    
        
            Typical Displacement Range:
        
        
            130 to 220 cubic inches (approximate, dependent on specific model and engine variant)
        
     
    
        
            Typical Horsepower Range:
        
        
            20 - 35 HP (approximate, varies significantly by model and engine)
        
     
    
    
        
            Fuel System Components:
        
        
            Carburetor, Fuel Pump, Fuel Filter
        
     
    
        
            Carburetor Details:
        
        
            Specific Zenith or Marvel-Schebler models often used, requiring detailed adjustment procedures
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Sliding Gear Transmission (specifics vary)
        
     
    
        
            Gear Configurations:
        
        
            Typically 4 to 6 forward gears and 1-2 reverse gears
        
     
    
    
        
            Hydrostatic Drive:
        
        
            Available on select models (e.g., HB-112, HB-212)
        
     
    
        
            Overdrive Gear:
        
        
            Some models may feature an overdrive gear for improved road speed
        
     
    
    
        
            Power Take Off:
        
        
            Rear PTO standard on most models
        
     
    
        
            Rear Axle Type:
        
        
            Full-floating rear axle
        
     
 
    
    
    
        
            Wheelbase Range:
        
        
            Approximately 70-80 inches (varies by model)
        
     
    
        
            Track Width Front:
        
        
            Adjustable, typically 48-60 inches
        
     
    
        
            Track Width Rear:
        
        
            Adjustable, typically 52-76 inches
        
     
    
    
        
            Typical Operating Weight:
        
        
            1,000 - 2,500 lbs (varies significantly by model and configuration)
        
     
    
        
            Towing Capacity:
        
        
            Refer to specific model specifications in manual; designed for moderate towing
        
     
 
    
    
    
        
            Safety Considerations:
        
        
            Focus on proper operation, maintenance, and use of safety features as outlined in the manual; no standardized automotive safety ratings apply
        
     
    
    
        
            Operational Safety:
        
        
            Brake system, clutch, steering system, PTO engagement safety
        
     
    
    
        
            Machine Design:
        
        
            Robust frame, protective shielding for moving parts
        
     
 
    
    
    
        
            Features:
        
        
            N/A (Basic mechanical tractor)
        
     
    
    
        
            Features:
        
        
            N/A (Basic mechanical tractor)
        
     
    
    
        
            Features:
        
        
            N/A (Basic mechanical tractor)
        
     
 
    
    
    
        
            Typical Intervals:
        
        
            Engine oil change (e.g., every 50-100 operating hours), grease points (daily/weekly), transmission oil change (e.g., annually or per operating hours), filter replacements as per manual
        
     
    
        
            Air Filter Service:
        
        
            Clean or replace based on operating conditions, typically every 100-250 operating hours
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 30 or SAE 10W-30 (depending on climate and specific engine recommendations in manual)
        
     
    
        
            Hydraulic Fluid Type:
        
        
            Allis-Chalmers HD Transmission Oil or equivalent (specific grade and type detailed in manual)
        
     
    
        
            Transmission Oil Viscosity:
        
        
            SAE 80W-90 Gear Lube or specified Allis-Chalmers oil
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze mixture (specific ratio and type detailed in manual)
        
     
    
    
        
            Common Wear Points:
        
        
            Clutch wear, hydraulic seal leaks, carburetor adjustments, ignition system components, wear in transmission and final drive gears
        
     
    
        
            Brake System Concerns:
        
        
            Drum brake wear, adjustment issues, potential leaks in brake lines
        
     
    
        
            Electrical System Concerns:
        
        
            Wiring harness degradation, starter motor issues, generator/alternator performance
        
     
 
    
    
    
        
            Manufacturer:
        
        
            Allis-Chalmers Manufacturing Company
        
     
    
        
            Company Focus:
        
        
            Allis-Chalmers was a diversified manufacturer, but its agricultural division was a cornerstone of its business.
        
     
    
    
        
            B Series Development:
        
        
            The B Series tractors represent a significant line of utility tractors produced by Allis-Chalmers, known for their reliability and versatility in agricultural and industrial applications. Models evolved over production years with various engine options and feature updates.
        
     
    
        
            B Series Design Philosophy:
        
        
            Designed for broad utility, ease of maintenance, and affordability, making them popular with small farmers and industrial users.
        
     
    
    
        
            Production Era:
        
        
            Mid-20th Century (exact years vary per specific model, but the 'B' series generally spans from the late 1930s through the 1960s, with later iterations.