Basic Information Identification Make: Allis-Chalmers Model: D-15 Series: D-15 Series II Codes Manual Product Identifier: Allis Chalmers D-15 D-15 Series II Factory Service Manual PDF Download Introduction Market Position Category: Agricultural Tractor Target User: Farmers, agricultural mechanics, tractor collectors, restoration enthusiasts Competitive Analysis Competitors: Ford 2000 Series, John Deere 1020/2020, International Harvester 444/544, Massey Ferguson 35/135 Key Features Value Proposition: Provides comprehensive, official factory repair information for essential maintenance and major overhauls. Manual Scope: Essential for owners seeking to perform their own repairs or to understand the complexity of their tractor. Manual Details Coverage Areas Primary Coverage: Allis-Chalmers D-15 Series II Tractor Secondary Coverage: D-15 Series I (where applicable) Page Count Estimated Page Count: Hundreds of pages (exact count not specified in product description) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, and overhaul for all engine variants Fuel System: Carburetor service, fuel pump, filters, and lines Ignition System: Distributor, coil, spark plugs, wiring Cooling System: Radiator, water pump, thermostat, hoses Lubrication System: Oil pump, filter, pressure, and internal lubrication passages Transmission: Gearbox, clutch, PTO operation and repair Clutch: Clutch assembly, linkage, adjustment, and replacement Power Take Off Pto: PTO engagement, gears, and related components Rear Axle: Differential, final drives, bearings, and seals Braking System: Brake pedals, linkages, internal brake mechanisms Steering System: Steering box, linkage, and related components Hydraulic System: Hydraulic pump, control valve, lift arms, and related components Electrical System: Wiring diagrams, starter, generator/alternator, battery, lighting Front Axle: Front axle assembly, pivot, kingpins, steering knuckles Sheet Metal And Body: Fenders, hood, grille, mounting brackets Procedures Included Maintenance: Routine service, lubrication, filter changes, adjustments Troubleshooting: Diagnostic charts and procedures for common and uncommon issues Repair: Step-by-step instructions for disassembly, repair, and reassembly of all components Overhaul: Complete engine, transmission, and hydraulic system overhauls Calibration And Adjustment: Carburetor settings, clutch adjustment, brake adjustments, hydraulic flow settings Torque Specifications: Critical torque values for engine, transmission, and chassis fasteners Special Tools: Identification and usage of specific tools required for repairs Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to full engine and component rebuilds Diagnostics: Advanced diagnostic procedures and symptom-based troubleshooting Assembly Disassembly: Detailed exploded views and step-by-step guides for all major assemblies Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Likely searchable text within the PDF (dependent on original scan quality) Print Quality Printability: Designed for printing (user can print entirety or specific sections) Binding Type Binding: Not applicable (PDF download) Paper Type Paper Type: Not applicable (PDF download) Engine Specifications Primary Engine Engine Model Gas: Allis-Chalmers 159 Gas (4-cylinder) Engine Model Diesel: Allis-Chalmers 160 Diesel (4-cylinder) Performance Displacement Gas: 159 cu in (2.6 L) Displacement Diesel: 160 cu in (2.6 L) Horsepower Gas: Approximately 42 PTO HP Horsepower Diesel: Approximately 45 PTO HP Fuel System Carburetor: Marvel-Schebler or Zenith (specific model varies) Diesel Injection: Roosamaster (or similar) injection pump Transmission Standard Transmission Type: Constant Mesh Gearbox Number Of Speeds: 8 Forward, 2 Reverse Optional Overdrive Transmission: Likely not a factory option on the D-15 Series II, but aftermarket or custom options might exist. Features Clutch Type: Dry single-plate clutch Power Take Off Pto Speed: 540 RPM Dimensions Exterior Wheelbase: Approx. 79 inches (2007 mm) Overall Length: Approx. 120 inches (3048 mm) Overall Width: Approx. 68 inches (1727 mm) at rear track Weights Shipping Weight Gas: Approx. 3,400 lbs (1542 kg) Shipping Weight Diesel: Approx. 3,550 lbs (1610 kg) Drawbar Horsepower: Approx. 35 HP Safety Features Ratings Safety Standards Era: Tractor safety was evolving during this period; manual will detail factory-intended safety features. Active Features Brake System: Internal expanding shoe brakes on rear axle shafts, foot-pedal operated, with provision for parking lock. Steering: Manual steering, typically with sector and ball nut design. Passive Features Operator Station: Open station with basic controls. Seat may have limited suspension. Lighting: Headlights and taillight (may vary by configuration/options). Technology Features Infotainment Infotainment System: Not applicable (This is a vintage tractor; no modern infotainment systems present). Driver Assistance Driver Assistance Features: Not applicable (No electronic driver assistance features). Connectivity Connectivity Options: Not applicable. Maintenance Service Intervals Engine Oil Change: Typically every 50 hours of operation or annually (refer to manual for exact specification) Oil Filter Change: Concurrent with engine oil changes Air Cleaner Service: Check frequently, clean or replace as needed based on operating conditions (typically 50-100 hours) Transmission Oil Change: Typically every 500-1000 hours or annually (refer to manual) Fluid Specifications Engine Oil Type: API Service Classification CD (or equivalent) SAE 30 or 10W-30 depending on ambient temperature. Manual will specify. Engine Oil Capacity: Approx. 5 quarts (4.7 L) with filter (refer to manual) Transmission Oil Type: API GL-4 Gear Oil SAE 80W-90 or SAE 90 (refer to manual) Hydraulic Fluid Type: Allis-Chalmers Type 1 or...