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

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类型: Tractor

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标签: Agriculture Allis Chalmers C D-21 series II Featured Tractor Tractors

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Description

The Allis-Chalmers D-21 Series II is a robust and powerful heavy-duty agricultural tractor, produced between 1963 and 1966. Designed for demanding field operations, it embodies the durability and engineering prowess for which Allis-Chalmers was known. This model features a standard Power Take-Off (PTO) for powering implements and an advanced hydraulic lift system with draft and position control, making it a versatile and capable machine for its era. Its substantial operating weight and powerful engine, typically a 6-cylinder diesel, provide the necessary traction and torque for heavy draft work, positioning it competitively against other major manufacturers of the time. This Workshop Service Manual (WSM) provides comprehensive coverage for all systems and components of the Allis-Chalmers D-21 Series II Tractor. It details routine maintenance procedures, including fluid checks, filter replacements, and lubrication schedules, alongside in-depth troubleshooting guides and step-by-step repair instructions for everything from the engine and transmission to the hydraulic and electrical systems. Technical specifications, torque values, and overhaul procedures are included to assist owners, mechanics, and technicians in maintaining, diagnosing, and repairing this iconic piece of agricultural machinery, ensuring its continued reliable performance.

🏷️ Basic Information

Identification

Make:

Allis-Chalmers

Model:

D-21 Series II

Product Type:

Service Repair Manual (WSM)

👋 Introduction

Market Position

Application Type:

Heavy-duty agricultural tractor

Historical Significance:

Part of Allis-Chalmers' robust line of agricultural equipment, known for durability and power

Competitive Analysis

Competitors:

John Deere, International Harvester, Ford, Massey Ferguson tractors of similar horsepower and class

Key Features

Operator Comfort:

Designed for extended field operation with focus on ergonomics for its era

Power Takeoff:

Standard PTO for powering implements

Hydraulic Lift:

Category II or III hitch with advanced hydraulic control (draft and position)

📋 Manual Details

Coverage Areas

Primary Coverage:

All systems and components of the Allis-Chalmers D-21 Series II Tractor

Page Count

Estimated Page Count:

Manual Type

Type:

Workshop Service Manual (WSM)

Language

Language:

English

Format

Format:

Digital (likely PDF, based on typical aftermarket manuals)

📖 Manual Coverage

Systems Covered

Engine:

Disassembly, assembly, inspection, diagnosis, and repair of the engine (likely Waukesha or Perkins variants common in this era)

Fuel System:

Carburetor (Zenith, Stromberg) or injection system service, fuel pump, filters, lines, and tank maintenance

Cooling System:

Radiator, water pump, thermostat, fan, hoses, and coolant specifications

Ignition System:

Spark plugs, ignition coils, distributor, timing adjustments, and electrical troubleshooting

Lubrication System:

Oil pump, oil filter, oil pan, lubrication points, and oil specifications

Transmission:

Clutch service, gear shifting mechanisms, transmission disassembly, assembly, and lubrication

Power Takeoff Pto:

PTO clutch, shaft, and engagement mechanism service

Hydraulic System:

Hydraulic pump, control valves, cylinders, reservoir, fluid specifications, and troubleshooting of draft control and position control

Steering System:

Steering gear, linkages, and potential power steering assist components

Brake System:

Brake band adjustment, brake drum service, and hydraulic brake components (if applicable)

Electrical System:

Wiring diagrams, battery, generator/alternator, starter motor, lighting, and instrumentation

Front Axle And Steering:

Front axle assembly, kingpins, tie rods, and steering linkage repair

Rear Axle And Final Drive:

Rear axle housing, differential, and final drive components

Wheels And Tires:

Wheel mounting, tire types, and pressure recommendations

Body And Frame:

Fender service, operator's platform, drawbar, and chassis components

Procedures Included

Maintenance:

Scheduled maintenance checks, lubrication points, fluid level checks, filter replacements

Troubleshooting:

Diagnostic charts and step-by-step troubleshooting procedures for common issues across all systems

Repair:

Detailed step-by-step repair instructions for component disassembly, cleaning, inspection, repair, and reassembly

Overhaul:

Complete engine and major component overhaul procedures

Adjustment:

Adjustment procedures for clutch, brakes, PTO, steering, and engine timing

Torques:

Tightening torque specifications for critical fasteners

Diagnostics:

Electrical system diagnostics, fuel system testing, hydraulic pressure testing

Technical Depth

Depth:

Comprehensive, covering routine maintenance to complete engine and transmission rebuilds

📊 Manual Specifications

File Format

Digital Format:

PDF (Portable Document Format) - assumed, typically searchable and printable

Print Quality

Image Resolution:

High-resolution images and diagrams (typical for professional quality)

Binding Type

Physical Binding:

N/A (Digital format)

Paper Type

Physical Paper:

N/A (Digital format)

⚙️ Engine Specifications

Primary Engine

Engine Make Model:

Likely Waukesha 265 cu. in. (4.3L) or Perkins 6.354, depending on configuration

Engine Type:

Diesel (common), potentially gasoline variants

Cylinders:

Bore X Stroke:

Varies by engine, e.g., 3.75 x 4.25 in. for Waukesha 265

Performance

Horsepower Rated:

Approximately 70-80 PTO HP

Torque Peak:

Varies by engine, but significant torque for heavy draft work

Fuel System

Fuel Type:

Diesel Fuel

Injection System:

Direct Injection or Indirect Injection (DI/IDI) depending on engine

Fuel Filter Part Number:

Varies by engine and filter manufacturer (e.g., Wix, Fleetguard, Baldwin)

🔧 Transmission

Standard

Transmission Type:

Constant Mesh, 8-speed or 12-speed manual transmission (e.g., Power Director option)

Optional

Power Director:

Optional two-speed power shift (Powershift) unit for on-the-go shifting under load

Features

Gear Ratios:

Detailed in manual

Transmission Fluid Type:

Universal Tractor Transmission Oil (UTTO) or equivalent API GL-4 rated fluid

Transmission Fluid Capacity:

Typically 12-16 quarts (approx. 11-15 liters)

📐 Dimensions

Exterior

Length:

Approx. 140-150 inches (355-381 cm)

Width:

Approx. 70-80 inches (178-203 cm)

Height To Top Of Steering Wheel:

Approx. 65-75 inches (165-190 cm)

Weights

Operating Weight:

Approx. 6,000 - 7,000 lbs (2722 - 3175 kg)

Wheelbase:

Approx. 85-90 inches (216-229 cm)

Tire Size Front:

6.00-16, 7.50-16

Tire Size Rear:

18.4-30, 20.8-34

🛡️ Safety Features

Ratings

Rollover Protection:

ROPS (Rollover Protective Structure) may be optional or field-fitted, not typically standard from factory in early models

Active Features

Brakes:

Independent rear wheel brakes, differential lock

Passive Features

Operator Station:

Open station with operator seat, fenders, and controls

💡 Technology Features

Infotainment

Audio System:

N/A (Basic operator station)

Driver Assistance

Traction Control:

Differential lock

Connectivity

Gps Support:

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 100-150 operating hours or annually

Fuel Filter Replacement:

Every 250-500 operating hours or as needed

Air Filter Service:

Clean/replace as needed based on operating conditions, check daily

Fluid Specifications

Engine Oil Grade:

API CD or CE, SAE 30W or 15W-40 depending on ambient temperature

Engine Oil Capacity:

Approx. 10-12 quarts (9.5-11.3 liters)

Hydraulic Fluid Type:

Allis-Chalmers THF (Tractor Hydraulic Fluid) or equivalent (e.g., John Deere Hy-Gard)

Coolant Type:

Ethylene Glycol based antifreeze, 50/50 mix with water

Known Issues

Common Wear Items:

Clutch wear, PTO clutch wear, hydraulic system leaks, seal deterioration, potential injector pump issues on diesel models

Electrical Gremlins:

Wiring harness degradation and connector corrosion are common in older machines

Engine Reliability:

Generally robust engines, but require proper maintenance. Overheating can cause head gasket issues.

📚 Vehicle History

Brand Heritage

Manufacturer History:

Allis-Chalmers was a major American manufacturer of agricultural and construction equipment, known for innovation and robust designs.

Model Evolution

Development Context:

The D-21 was Allis-Chalmers' answer to larger row-crop tractor demands in the 1960s, positioned as a premium, powerful machine.

Production

Production Years:

D-21: 1963-1966. Series II likely refers to updates within this range or early 1967.

Manufacturing Location:

West Allis, Wisconsin, USA

🏆 Awards & Recognition

Recognitions

Industry Awards:

N/A (Awards were typically for brand or specific innovations, not individual models in this era for this type of product)