Market Position:
Essential documentation for owners and technicians of the Allis-Chalmers 720 tractor, facilitating self-sufficiency in maintenance and repair.
Competitive Analysis:
Provides a distinct advantage over generic repair guides by offering OEM-level detail and official parts identification for a specific model, crucial for vintage equipment.
Key Features:
Instant download, comprehensive coverage, detailed diagrams, searchable PDF, OEM specifications, includes both service and parts information.
Coverage Areas:
Service and repair of Allis-Chalmers 720 Tractor
Page Count Service Manual:
Not Specified (Estimated 200-400 pages based on complexity)
Page Count Parts Catalog:
Not Specified (Estimated 100-250 pages based on complexity)
Manual Type:
Service Manual, Repair Manual, Parts Catalog (IPL/IPC)
File Delivery:
Instant Download
Compatibility:
Windows/Mac compatible
Systems Covered:
Engine, Battery, Transmission Fluid & Filter, Brakes, Clutch, Drive Shaft, Transmission, Differential, Rear PTO, Final Drive, Steering, Front Axle Assemblies, Power Lift System, Electrical System (Charging, Ignition, Starting, Lights, Hourmeter, Pressure/Temperature Sending Units, PTO), Fuel System, In-Line Hydrostatic Unit
Power Take Off Pto:
Rear PTO system service and repair procedures are detailed.
Steering Front Axle:
Complete coverage for steering and front axle assembly repair and maintenance.
Power Lift System:
Detailed information on the power lift system's operation, maintenance, and repair.
Procedures Included:
General Information, Battery Care, Bearing Cleaning & Inspection, Transmission Fluid & Filter Service, Brake Adjustment, Clutch Pedal Free Travel Adjustment, Clutch Belt Tension Adjustment, Engine Repair, Wheel & Drop Housing Repair, Brake Repair, Power Train System Repair, Clutch Repair, Drive Shaft Repair, Transmission Repair, Differential Repair, Rear PTO Repair, Final Drive Repair, Steering & Front Axle Assembly Repair, Power Lift System Repair, Electrical Component Removal & Installation, Troubleshooting, Fuel System Repair, Hydrostatic Unit Service
Troubleshooting Guide:
Yes, a dedicated troubleshooting guide is included to assist in diagnosing common problems.
Component Removal Installation:
Step-by-step procedures for removal and installation of all major components.
Technical Depth:
Comprehensive: Covers routine maintenance, diagnostics, troubleshooting, component removal/installation, and repair procedures. Includes detailed diagrams and manufacturer specifications.
Illustrations Diagrams:
Richly illustrated with detailed illustrations, exploded diagrams, drawings, and photos.
Print Quality:
High-resolution, suitable for printing entire manual or specific pages.
Binding Type:
Digital (PDF)
Paper Type:
Not Applicable (Digital Download)
Searchability:
Fully searchable by keyword.
Navigation:
Fully bookmarked chapters and indexed for easy navigation.
Engine Type:
Diesel (Likely Perkins or similar, specific model not provided in data)
Engine Cylinders:
Not Specified (Likely 3 or 4 cylinder diesel based on tractor size)
Horsepower Range:
Typically in the 20-30 HP range for this class of tractor (Specific data not provided).
Torque Specifications:
Not Specified (Specific to engine variant).
Fuel System Type:
Diesel Injection (Specific injection pump and injector details would be in the manual)
Fuel Tank Capacity:
Not Specified (Refer to manual)
Transmission Type:
Hydrostatic (In-line Hydrostatic Unit mentioned)
Optional Transmission:
Not Specified
Transmission Features:
Includes hydrostatic unit service, gear ratios (likely detailed in manual), and clutch belt tension adjustments.
Gear Ratios:
Not Specified (Detailed within the manual)
Infotainment Features:
Not Applicable (Agricultural tractor)
Driver Assistance Systems:
Not Applicable (Agricultural tractor)
Connectivity Options:
Not Applicable (Agricultural tractor)
Electrical System Components:
Includes detailed diagrams and troubleshooting for charging circuit, ignition circuit, starting circuit, lights, hourmeter, and sending units.
Service Intervals:
Detailed service intervals for engine oil, filters, transmission fluid, hydraulics, and lubrication points will be specified within the service manual.
Lubrication Points:
Coverage includes lubrication schedules and specifications for all relevant points.
Engine Oil Type:
Not Specified (Manual will specify SAE viscosity grade and API classification)
Transmission Fluid Type:
Not Specified (Manual will specify type, e.g., TDH, Hy-Tran, or similar tractor hydraulic fluid)
Hydraulic Fluid Type:
Not Specified (Likely same as transmission fluid if shared system)
Coolant Type:
Not Specified (Manual will specify type and mixture ratio)
Grease Type:
Not Specified (Manual will specify types for various grease points)
Common Issues:
As with many tractors of this era, potential common issues might include hydraulic system leaks, wear in the drivetrain (especially final drives), electrical system corrosion, and engine wear depending on maintenance history. The manual will aid in diagnosing and repairing these.
Engine Oil Filter Part Number:
Not Specified (Refer to Parts Catalog within the manual)
Fuel Filter Part Number:
Not Specified (Refer to Parts Catalog within the manual)
Hydraulic Filter Part Number:
Not Specified (Refer to Parts Catalog within the manual)
Brand Heritage:
Allis-Chalmers was a prominent American manufacturer of agricultural and construction machinery, known for its distinctive 'Persian Orange' paint. The company had a long history of innovation.
Model Evolution:
The 720 likely represents a mid-range utility tractor from the latter half of Allis-Chalmers' tractor production era, possibly developed after the AGCO acquisition or during the transition.
Production Years:
Specific production years for the 720 are not provided, but likely late 1970s to early 1980s based on general Allis-Chalmers model sequencing.
Manufacturing Location:
Likely USA (Allis-Chalmers primary manufacturing base)
Brand Recognitions:
Allis-Chalmers tractors, in general, were recognized for their robust engineering and durability during their production years.
Model Specific Ratings:
Not Applicable (Industry-specific ratings not generally provided for individual tractor models)
Technical Certifications:
Manuals are based on OEM specifications and industry standards for agricultural machinery.
