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BOLENS

Bolens suburban ST series tractor Service Repair Manual

Bolens suburban ST series tractor Service Repair Manual

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Machine data plateRef 581221
Brand
BOLENS
Equipment
Lawnmowers
Models covered
Suburban Series
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:
Bolens
Model:
Suburban ST series tractor
Model Variants:
Various ST series models (e.g., ST 100, ST 110, ST 120, ST 125, ST 130, ST 140, ST 160, ST 180)
Production Years:
1960s-1980s (specific years vary by model)
👋 Introduction
Market Position
Target Audience:
DIY owners and professional technicians maintaining Bolens Suburban ST series garden tractors
Vehicle Class:
Garden tractor / lawn and garden equipment
Competitive Analysis
Advantage:
Detailed factory specifications and step-by-step procedures specific to the ST series
Key Features:
Comprehensive coverage of engine, transmission, electrical, and hydraulic systems; includes wiring diagrams and troubleshooting guides
📋 Manual Details
Coverage and Format
Coverage Areas:
Service, repair, maintenance, and overhaul procedures for the Bolens Suburban ST series
Page Count:
Approximately 300-500 pages (varies by edition)
Manual Type:
Service Repair Manual
Language:
English
File Format:
PDF (digital download)
Delivery:
Instant download after purchase
📖 Manual Coverage
Systems Covered
Engine:
Briggs & Stratton or Kohler engines (depending on model)
Cooling System:
Air-cooled engine service
Fuel System:
Carburetor, fuel pump, fuel lines, and filter
Electrical System:
Wiring diagrams, starter, ignition, battery, charging system
Transmission:
Gear-type or hydrostatic transmission (depending on model)
Drive System:
Belt and pulley, differential, axles
Steering:
Sector and pinion steering system
Brakes:
Disc or drum brakes (depending on model)
Hydraulic System:
Attachment lift cylinders and control valve
Attachments:
Mower deck, snow blower, dozer blade, and other implements
Procedures Included
Maintenance:
Lubrication, oil changes, filter replacement, and periodic adjustments
Tune-up:
Spark plug replacement, ignition timing, carburetor adjustment
Disassembly and Assembly:
Step-by-step instructions with exploded diagrams
Overhaul:
Engine rebuild, transmission rebuild, and rear axle overhaul
Electrical Troubleshooting:
Systematic fault-finding and wiring diagrams
Hydraulic Troubleshooting:
Diagnostics and repair of hydraulic systems
Technical Depth and Parts
Technical Depth:
Detailed specifications, clearances, and torque values
Parts Information:
Component identification with part numbers for ordering
Diagrams:
Numerous schematics and exploded views
📊 Manual Specifications
File Specifications
File Format:
PDF (Portable Document Format)
Compatibility:
Works on all devices with a PDF reader (Windows, Mac, iOS, Android)
Requirements:
No special software required; PDF reader needed
Searchability:
Text searchable for easy navigation
Print Quality
Print Quality:
High-resolution scans for clear diagrams and text
Binding:
Digital (no physical binding)
Paper Type:
N/A - digital download
⚙️ Engine Specifications
Engine Options
Primary Engine:
Varies by model; typically Briggs & Stratton or Kohler single-cylinder air-cooled engines
Engine Options Range:
From approximately 7 to 18 horsepower depending on model year
Performance:
Rated horsepower at specified RPM; exact values in manual
Fuel System:
Carbureted, gasoline
🔧 Transmission
Transmission Types
Standard Transmission:
Gear transmission with multiple forward speeds and reverse (specifics in manual)
Optional Transmission:
Hydrostatic transmission on some models
Features:
Inline belt-driven design; manual identifies ratios and adjustment procedures
📐 Dimensions
Exterior Dimensions
Wheelbase:
Approximately 48-52 inches (varies by model)
Length:
Approximately 65-75 inches including attachments (varies)
Weights
Curb Weight:
Approximately 400-600 lbs depending on model and equipment
🛡️ Safety Features
Safety Ratings
Crash Ratings:
N/A - Not applicable for off-road garden tractor
Safety Equipment
Active Safety:
Operator presence control (engine stops when operator leaves seat)
Passive Safety:
Roll-over protection: not standard on early models; recommended retrofits
💡 Technology Features
Comfort and Convenience
Infotainment:
Not applicable - no audio system in garden tractors
Driver Assistance:
No electronic driver assistance; mechanical interlock safety systems
🔧 Maintenance
Service Intervals
Engine Oil:
Change every 25 hours or annually (check manual for specific interval)
Air Filter:
Clean every 25 hours, replace every 100 hours
Spark Plug:
Replace annually or every 100 hours
Transmission Fluid:
Check and change per maintenance schedule in manual
Fluid Specifications
Engine Oil Type:
Typically SAE 30 (detergent oil, API service classification SF or higher)
Transmission Fluid:
Gear oil for gear transmissions, hydraulic fluid for hydrostatic (see manual)
Common Issues
Known Issues:
Carburetor flooding, ignition problems, and belt wear; see manual for troubleshooting
Wear Items:
Drive belts, mower blades, and tire tubes
📚 Vehicle History
Brand Heritage
Manufacturer:
Bolens (originally The Bolens Corporation, later acquired by FMC Corporation and then Troy-Bilt, now part of MTD Products)
Model Evolution:
The Suburban ST series evolved through the 1960s and 1970s, with models from ST 100 to ST 180
Production Location:
Port Washington, Wisconsin, USA
🏆 Awards & Recognition
Recognition
Awards:
No specific awards documented for these models
Historical Significance:
Known for rugged construction and longevity among vintage garden tractor enthusiasts

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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  • Instant download PDF link on your order page and by email right after payment.
  • Secure checkout Encrypted Shopify checkout — we never see your card.
  • Print-ready PDF Searchable text, print the pages you need for the workshop.
  • Phone, tablet, PC Open it in the cab, the workshop or the office.