🏷️ Basic Information

Make:

Allis-Chalmers

Model:

170 / 175

Model Years Covered:

Typically 1970s era (specific year range depends on exact production run, commonly understood for this series)

Chassis Codes:

Not typically specified with specific chassis codes in this manual context; model numbers are primary identifier.

Engine Codes:

Reflects engine options specific to the 170 and 175 models.

👋 Introduction

Target Audience:

Owners, operators, and mechanics of Allis-Chalmers Model 170 and 175 tractors.

Value Proposition:

Empowers users to perform their own maintenance and repairs, saving time and money compared to professional servicing.

Manual Advantage:

Provides in-depth, step-by-step instructions with visual aids and wiring diagrams, crucial for complex agricultural machinery.

Ease Of Use:

Designed with easy-to-follow instructions and clear illustrations to simplify repair processes for users of varying skill levels.

Completeness Of Information:

Covers all service and repair jobs, including routine maintenance, for comprehensive vehicle care.

📋 Manual Details

Systems Covered:

Engine, Fuel System, Cooling System, Electrical System, Transmission, Hydraulics, Power Steering, PTO, Axles (Front & Rear), Brakes, Steering, Chassis, Operator Station, Bodywork, Troubleshooting Guides, Wiring Diagrams.

Page Count:

Estimated 300-600+ pages (typical for comprehensive WSMs of this era, exact count not specified).

Manual Type:

Workshop Service Manual (WSM) / Service Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Overhaul:

Detailed procedures for engine disassembly, inspection, repair, and reassembly, including torque specifications and clearances.

Transmission And Drivetrain:

Coverage of manual and power shift transmissions, final drives, differentials, and PTO engagement mechanisms.

Hydraulic System:

Detailed information on the hydraulic pump, control valves, cylinders, and hydraulic fluid system, including testing and repair.

Electrical System:

Comprehensive wiring diagrams, troubleshooting charts, starter, alternator, lighting, and instrumentation system repair.

Routine Maintenance:

Oil change intervals, filter replacement, lubrication points, air cleaner service, cooling system maintenance, battery care.

Troubleshooting Guides:

Systematic approaches to diagnosing and resolving common operational problems.

Component Replacement:

Step-by-step instructions for replacing major and minor components like alternators, starters, pumps, seals, and bearings.

Diagnostic Procedures:

In-depth diagnostic steps, including testing procedures for electrical circuits, hydraulic pressures, and mechanical adjustments.

Rebuild Instructions:

Complete instructions for rebuilding major components like engines, transmissions, and hydraulic pumps.

Calibration And Adjustment:

Procedures for calibrating fuel injection systems, adjusting clutch engagement, setting valve clearances, and aligning steering.

📊 Manual Specifications

File Format:

PDF

Searchability:

Likely text-searchable if the PDF was created from a digital source or well-OCR'd.

Print Quality:

Full Printable (implies high resolution for clear text and diagrams)

Binding Type:

Digital Download (Printable by user)

Paper Type:

N/A (Digital Format)

Software Requirements:

Adobe PDF Reader or compatible viewer

Operating System Compatibility:

All Versions of Windows & Mac

Delivery Method:

Instant Download

⚙️ Engine Specifications

Engine Manufacturer:

Allis-Chalmers

Engine Model 170:

D-179 (typically)

Engine Type 170:

Diesel

Cylinders 170:

3 or 4 (depending on specific configuration)

Displacement 170:

Approx. 179 cubic inches (2.9 L) (for D-179)

Engine Manufacturer:

Allis-Chalmers

Engine Model 175:

D-219 (typically)

Engine Type 175:

Diesel

Cylinders 175:

4

Displacement 175:

Approx. 219 cubic inches (3.6 L) (for D-219)

Horsepower Rating 170:

Approx. 58-65 PTO HP (net)

Horsepower Rating 175:

Approx. 68-75 PTO HP (net)

Fuel Type:

Diesel Fuel

Injection System:

Direct injection, typically with rotary or inline fuel injection pumps.

🔧 Transmission

Transmission Type Standard:

Manual Shuttle Transmission (likely 8 forward, 4 reverse speeds)

Transmission Type Optional:

Power Director (Hydrostatic or power shift variant for on-the-go range changes)

Clutch:

Dual-stage clutch for transmission and PTO engagement.

Pto:

Independent PTO (540/1000 RPM options common), often with a dual-stage clutch engagement.

📐 Dimensions

Wheelbase:

Varies by configuration, typically around 80-85 inches.

Operating Weight:

Approx. 5,000 - 6,500 lbs (unspecified variations)

Drawbar Horsepower:

Often around 45-55 HP (indicative of pulling power).

🛡️ Safety Features

Rollover Protection:

ROPS (Roll-Over Protective Structure) may have been an option or standard depending on the year and market.

Braking System:

Hydraulic disc brakes, often wet disc for increased durability and performance.

Operator Station:

Designed for operator visibility and access to controls.

💡 Technology Features

Infotainment System:

N/A (This is a tractor from the 1970s, focused on core functionality).

Driver Assistance Features:

N/A (Basic tractor controls and power assist for steering/hydraulics).

Connectivity Options:

N/A

🔧 Maintenance

Engine Oil Change:

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

Hydraulic Fluid Change:

Typically every 500-1000 operating hours, or annually.

Transmission Oil Change:

Refer to specific transmission type; often 1000-2000 hours.

Engine Oil Type:

API CD or CE rated diesel engine oil (e.g., SAE 15W-40 or 10W-30 depending on climate).

Hydraulic Fluid Type:

Allis-Chalmers Type 10, or equivalent UTF (Universal Tractor Fluid) meeting specifications like JD-J20C/D, Ford M2C134-D.

Transmission Fluid Type:

Refer to specific manual; often same as hydraulic fluid or a dedicated transmission oil.

Common Wear Points:

Hydraulic pump wear, clutch wear, PTO clutch issues, seal leaks (especially in hydraulics and final drives).

Electrical Problems:

Corrosion on electrical connectors, starter and alternator issues, wiring harness degradation over time.

📚 Vehicle History

Manufacturer Legacy:

Allis-Chalmers was a prominent American manufacturer of agricultural and industrial machinery, known for its distinctive 'Persian Orange' color.

Series Context:

The Model 170 and 175 were part of Allis-Chalmers' mid-range tractor lineup in the 1970s, designed for versatility in row-crop farming and general utility tasks.

Manufacturing Location:

Primarily manufactured in the United States.

🏆 Awards & Recognition

Industry Recognition:

While specific awards for these models are not readily documented, Allis-Chalmers tractors of this era were generally well-regarded for their robustness and performance in their class.