Allis Chalmers Model D-21 series II Tractor All Service Repair Manual

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Taper: Tractor

Distributeur:

UGS: 79426

Mots clés: Allis Chalmers Case Construction D Series D-21 series II Tractor Wheel Loaders

Variantes de produits

Description

The Allis-Chalmers D-21 Series II Tractor represents a significant piece of agricultural machinery, produced between 1957 and 1962. Known for its robust build and engineering prowess, this tractor was designed for heavy-duty farm work, offering substantial horsepower and torque for its time. Its innovative features and reliable performance made it a valuable asset for farmers and agricultural operations seeking efficiency and durability in demanding field conditions. The D-21 Series II embodies the quality and agricultural heritage associated with the Allis-Chalmers brand, contributing to its standing in the industry. This comprehensive service repair manual provides in-depth coverage for the Allis-Chalmers Model D-21 Series II Tractor. It is meticulously designed to assist tractor owners, independent mechanics, and restoration enthusiasts in maintaining and repairing their equipment. The manual details procedures for engine, transmission, brakes, electrical systems, suspension, steering, cooling, fuel, and chassis components. It also includes essential information on periodic maintenance, lubrication, troubleshooting, disassembly and reassembly, and electrical wiring diagrams, enabling users to perform everything from routine service to complete overhauls with confidence.

🏷️ Basic Information

Identification

Make:

Allis-Chalmers

Model:

D-21 Series II

Vehicle Type:

Tractor

Codes

Manual Product Name:

Allis Chalmers Model D-21 series II Tractor All Service Repair Manual Download

👋 Introduction

Market Position

Target Audience:

Tractor owners, independent mechanics, restoration enthusiasts.

Key Features

Benefits:

Enables DIY repairs, cost savings, in-depth vehicle knowledge, convenience for anytime/anywhere repairs.

Content Value:

Provides detailed instructions for disassembly, reassembly, repair, servicing, and maintenance.

📋 Manual Details

Coverage Areas

Primary Coverage:

Complete service and repair of the Allis-Chalmers Model D-21 Series II Tractor

Secondary Coverage:

General maintenance, troubleshooting, engine, transmission, brakes, electrical, suspension, lubrication, steering, cooling, fuel, emissions, engine control, chassis, body, restraints, axles.

Page Count

Estimated Page Count:

Indeterminate (Digital Download)

Manual Type

Type:

Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Service:

Comprehensive repair and overhaul procedures for the engine.

Transmission Service:

Detailed service and repair for the transmission system.

Brake System:

Repair and maintenance of the tractor's braking system.

Electrical System:

Coverage of all electrical components and wiring.

Suspension System:

Service and repair information for the suspension components.

Steering System:

Procedures for steering system maintenance and repair.

Cooling System:

Detailed information on the cooling system's operation and repair.

Fuel System:

Service and repair of the fuel injection and fuel delivery systems.

Emission Control:

Information pertaining to emission control systems.

Chassis Body:

Repair and maintenance of the tractor's chassis and body components.

Axle And Drive:

Service procedures for the front and rear axles and drive components.

Procedures Included

Disassembly Reassembly:

Step-by-step instructions for component disassembly and reassembly.

Troubleshooting:

Diagnostic procedures and solutions for common issues.

Periodic Maintenance:

Guidance on routine maintenance tasks and schedules.

Lubrication:

Specific lubrication points and fluid recommendations.

Wiring Diagrams:

Includes electrical wiring schematics for the tractor.

Technical Depth

Depth:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds.

📊 Manual Specifications

File Format

File Type:

Reader Requirement:

Adobe PDF Reader

Compression Requirement:

WinZip (or equivalent)

Compatibility

Operating Systems:

All versions of Windows & Mac

Print Quality

Quality:

High-resolution, suitable for printing.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Diesel (typically Waukesha)

Engine Displacement:

Estimated 339.8 cubic inches (5.57 L) - requires specific engine variant confirmation.

Performance

Horsepower:

Approx. 75 HP (drawbar) - varies by specific engine and tuning.

Torque:

Specific torque figures not readily available without model variant details, but expected to be substantial for heavy-duty work.

Fuel System

Injection System:

Diesel Injection (likely Bosch or Simms, depending on exact configuration).

Fuel Type:

Diesel Fuel

🔧 Transmission

Standard

Transmission Type:

Manual (likely a constant mesh gearbox with multiple forward and reverse gears).

Features

Gear Selection:

Typically features a range splitter or gear splitting mechanism for optimal power delivery in various field conditions.

📐 Dimensions

Weights

Operating Weight:

Approximately 9,000 - 10,000 lbs (4,082 - 4,536 kg) - varies with options.

Wheelbase:

Approx. 92 inches (2337 mm) - requires specific measurement.

🛡️ Safety Features

Active Features

Braking System Type:

Typically internal expanding shoe brakes on the rear axle, often hydraulically actuated with a mechanical parking brake.

Passive Features

Operator Station:

Open station design; roll-over protection systems (ROPS) may be an aftermarket or later addition, not standard from original manufacture for all units.

💡 Technology Features

Infotainment

Features:

N/A (Tractor technology of the era focused on functionality, not infotainment).

Driver Assistance

Features:

N/A (Tractor technology of the era focused on mechanical systems).

Connectivity

Features:

N/A (Tractor technology of the era focused on mechanical systems).

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 100-250 operating hours, depending on operating conditions and oil type.

Transmission Oil Change:

Refer to manual for specific interval, often around 500-1000 hours for heavy-duty transmissions.

Fluid Specifications

Engine Oil Type:

API CD or MIL-L-2104B or equivalent (e.g., SAE 30 or 10W-30 depending on climate).

Transmission Hydraulic Fluid:

Allis-Chalmers HD-50 or equivalent (e.g., UTF - Universal Tractor Transmission Fluid, or specified hydraulic oil).

Coolant:

Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio).

Known Issues

Engine Performance:

Potential for injector pump issues, carbon buildup in combustion chambers, and wear on piston rings/cylinder liners due to age and use.

Transmission Shifting:

Wear in gear selectors or synchros can lead to difficult shifting; clutch wear is common.

Hydraulic System:

Leaks from seals and hoses, and potential wear in the hydraulic pump or cylinders are common in older units.

Electrical System Reliability:

Deterioration of wiring insulation, corrosion on electrical connections, and starter/generator issues are frequent.

📚 Vehicle History

Brand Heritage

Manufacturer:

Allis-Chalmers

Model Evolution

Series Designation:

The D-21 was a high-horsepower tractor for its era, designed for heavier work. The 'Series II' indicates an updated or refined version.

Production

Production Period:

The D-21 was produced from 1957 to 1962. The Series II likely falls within this period, likely later production years.

🏆 Awards & Recognition

Recognitions

Industry Standing:

Allis-Chalmers tractors were known for their robust build and innovation in the agricultural industry during their production years.