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Allis Chalmers

Allis Chalmers Tractor Model 5020 Factory Service Repair Manual

Allis Chalmers Tractor Model 5020 Factory Service Repair Manual

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Machine data plateRef 99559
Brand
Allis Chalmers
Equipment
Tractors
Models covered
5020
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your serial range? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Allis Chalmers
Model:
5020
Model Variant:
Standard tractor (agricultural)
Production Years:
1968-1971
👋 Introduction
Market Position
Target Audience:
Farmers and agricultural contractors requiring a reliable utility tractor in the 100 horsepower class.
Competitive Advantage:
The 5020 offered a powerful engine and robust construction at a competitive price point compared to similar models from John Deere and International Harvester.
Key Features
Engine:
Allis-Chalmers 3500 series diesel, 6-cylinder, 301 cubic inch
Transmission:
8-speed manual with optional power shift
Hydraulics:
Dual-lever remote valves and 3-point hitch with draft control
📋 Manual Details
Product Overview
Coverage Areas:
Complete disassembly, inspection, repair, and reassembly procedures for all major components.
Page Count:
Approximately 800 pages
Manual Type:
Factory Service Repair Manual
Language:
English
File Format:
PDF
Delivery Method:
Instant download
📖 Manual Coverage
Systems Covered
Engine:
Complete engine overhaul, including cylinder head, block, pistons, crankshaft, and valve train.
Fuel System:
Injection pump, injectors, fuel lines, and fuel tank.
Cooling System:
Radiator, water pump, thermostat, and cooling fan.
Lubrication System:
Oil pump, oil filter, and oil pressure specifications.
Electrical System:
Starter, alternator, wiring harness, and lights.
Hydraulic System:
Hydraulic pump, valves, cylinders, and 3-point hitch.
Transmission:
Manual and power shift transmissions, including clutch and gears.
Rear Axle:
Differential, final drives, and axle shafts.
Steering:
Power steering pump, cylinder, and steering gear.
Brakes:
Service and parking brakes, adjustments, and replacement.
Wheels and Tires:
Wheel removal and tire installation.
Cab and Accessories:
Cab components, seats, and instrumentation.
Procedures Included
Disassembly and Assembly:
Step-by-step instructions for major components.
Inspection and Testing:
Measurement and testing procedures with specifications.
Adjustment and Calibration:
Procedures for proper adjustment of systems.
Troubleshooting:
Diagnostic tables for common issues.
Technical Depth
Detail Level:
Comprehensive, factory-level detail suitable for professional technicians and experienced DIY owners.
Special Tools:
References to special tools and their usage where required.
Parts Information
Part Numbers:
OEM part numbers for common replacement items.
Exploded Views:
Detailed diagrams for part identification and assembly.
Torque Specifications:
Torque values for critical fasteners.
📊 Manual Specifications
File Format
File Type:
PDF (Portable Document Format)
Compatibility:
Works on Windows, Mac, Linux, iOS, and Android devices.
Requirements:
PDF reader (e.g., Adobe Acrobat Reader)
Searchability:
Text searchable for easy navigation.
Print Quality
Resolution:
High-resolution (300 DPI) for clear printing.
Image Quality:
Crisp diagrams and photographs.
Print Binding
Binding Type:
Digital (no physical binding)
Paper Type:
N/A - digital format
⚙️ Engine Specifications
Engine
Type:
Allis-Chalmers 3500 series, 6-cylinder, diesel
Displacement:
301 cubic inches (4.9 L)
Power Output:
Approximately 105 horsepower (flywheel)
Torque:
Peak torque approximately 297 lb-ft
Governed Speed:
2200 rpm
Fuel System
Injection Pump:
Roosa-Master distributor type
Injectors:
Pencil-type, 2-hole
Fuel Type:
Diesel #2
Fuel Capacity:
30 gallons
🔧 Transmission
Standard Transmission
Type:
Manual, 8-speed (8F/2R)
Clutch:
Single dry disc
Optional Transmission
Type:
Power Shift, 10-speed (10F/2R)
Shift Control:
Electro-hydraulic shift on the go
Features
Removable PTO:
Independent PTO with 540 rpm
Rear Axle:
Planetary reduction final drives
📐 Dimensions
Exterior
Wheelbase:
112 inches
Length:
Approximately 155 inches
Width:
Approximately 96 inches (varies with tire setting)
Weights
Curb Weight:
Approximately 9,000 lbs (with cab and ballast)
Weight Distribution:
Approximately 50/50 front/rear
🛡️ Safety Features
Ratings
Crash Test Rating:
N/A - agricultural tractor, not subject to automotive crash testing.
Active Features
Steering:
Hydrostatic power steering for precise control.
Brakes:
Wet disc brakes for reliable stopping.
Passive Features
Rollover Protection:
Factory-installed ROPS (rollover protective structure) available as option.
Seat Belt:
Operator seat belt fitted.
💡 Technology Features
Infotainment
Audio System:
Radio and speakers (optional)
Instrumentation:
Analog gauges for fuel, temperature, oil pressure, and tachometer.
Driver Assistance
Hydraulic Remotes:
Dual-lever control valves for implement operation.
Draft Control:
3-point hitch with position and draft control.
🔧 Maintenance
Service Intervals
Engine Oil Change:
Every 100 hours or annually, whichever comes first.
Hydraulic Fluid:
Check every 50 hours; change every 1000 hours.
Transmission Fluid:
Check every 50 hours; change every 1000 hours.
Tire Pressure:
Check daily.
Fluid Specifications
Engine Oil Type:
SAE 30 or 15W-40, API service category CD or higher.
Hydraulic Fluid:
Allis-Chalmers hydraulic fluid or equivalent.
Transmission Fluid:
Allis-Chalmers transmission fluid or equivalent.
Coolant:
50/50 mixture of ethylene glycol and water.
Known Issues
Common Wear Items:
Injection pump seals, hydraulic hoses, and clutch disc.
Typical Issues:
Hydraulic drift, brake adjustment, and electrical grounding.
📚 Vehicle History
Brand Heritage
Manufacturer:
Allis-Chalmers Manufacturing Company
Legacy:
Known for reliable agricultural equipment and innovation in tractor design.
Model Evolution
Introduced:
1968 as a larger addition to the 200 series tractors.
Discontinued:
1971, succeeded by the 7030 model.
Production Location
Plant:
Allis-Chalmers factory in West Allis, Wisconsin, USA.
🏆 Awards & Recognition
Recognition
Industry Recognition:
The 5020 series was well-regarded in the farming community for its power and reliability.
Historical Significance:
Representative of the era's trend toward higher-horsepower row-crop tractors.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the serial range before you buy

Manufacturers change procedures and part numbers by serial-number break. If your data plate shows a serial prefix that is not listed above, contact us with the model and serial number and we will confirm coverage before you order.

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