Product Type:
Master Parts Manuals
Product Description:
The most complete set of Bolens parts manuals you can buy....Period! Showing EVERY part on these tractors. Great for making repairs!!!!!!!
Covered Models:
HT 20, 1250, 1455, 1476, 1477, 1886
Covered Years:
1967-1972 (specific year ranges per model)
Target Audience:
Bolens tractor owners, restorers, mechanics, and parts suppliers
Value Proposition:
Unparalleled completeness for parts identification and procurement for classic Bolens garden tractors
Differentiation:
Claims to be the 'most complete set of Bolens parts manuals you can buy....Period!'
Comprehensiveness:
Depicts every single part on the specified tractor models
Utility:
Essential for accurate repairs and sourcing correct replacement components
Primary Coverage:
All parts breakdown for specified Bolens tractor models
Secondary Coverage:
Assembly diagrams, part identification, component relationships
Estimated Total Pages:
Extensive (Specific count not provided, but described as 'most complete')
Type:
Master Parts Manuals / Parts Catalogs
Engine:
Engine components, internal parts, fuel system, lubrication system, cooling system
Drivetrain:
Transmission, differential, axles, PTO (Power Take-Off) components
Chassis And Frame:
Frame components, steering system parts, suspension components (if applicable)
Hydraulics:
Hydraulic pump, cylinders, hoses, control valves, and associated fittings
Electrical System:
Starter, alternator/generator, battery, ignition system components, lighting components
Operator Controls:
Levers, pedals, steering wheel, instrument panel components
Attachments And Accessories:
Mounting hardware, common attachment components (e.g., mower deck parts, loader parts - depending on specific model coverage within manual)
Assembly Disassembly:
Illustrated breakdown of components for assembly and disassembly
Part Identification:
Detailed identification of every individual part with associated part numbers
Troubleshooting:
Implied support for troubleshooting by identifying correct replacement parts
Depth:
Comprehensive parts catalog level detail, suitable for repair and restoration
Scope:
Every nut, bolt, gasket, and major component is depicted and numbered
Engine Type:
Varies by model; likely 4-stroke gasoline engines (specifics require manual consultation)
Displacement:
Varies by model (e.g., HT20 likely denotes a larger displacement engine than a 1250)
Bore Stroke:
Varies by model (detailed in manual)
Horsepower:
Varies by model (e.g., 1250 suggests ~12 HP, 1886 suggests ~18 HP)
Torque:
Varies by model (detailed in manual)
Fuel Delivery:
Likely carburetor-based fuel systems (specifics vary by engine)
Oil Type Recommendation:
Specific SAE viscosity grade and API service classification provided in manual (likely SAE 30 or 10W-30)
Cooling Method:
Likely air-cooled for most models, some might be liquid-cooled (manual will specify)
Type:
Varies by model. Likely manual transaxle, hydrostatic, or possibly an early automatic transmission.
Gear Selection:
Manual shift (e.g., 3-speed, 4-speed, 6-speed) or variable speed control (hydrostatic)
Optional Types:
Hydrostatic transmission likely an option on some models, or different gear ratios available.
Pto:
Power Take-Off (PTO) system components (rear and/or mid-PTO depending on model)
Differential Lock:
May be present on some models; parts for differential and locking mechanism included
Transmission Oil Type:
Specific gear oil or hydraulic fluid specification provided in manual (e.g., SAE 90 gear oil, or specific hydrostatic fluid)
Wheelbase:
Varies by model (detailed in manual)
Overall Length:
Varies by model (detailed in manual)
Overall Width:
Varies by model (detailed in manual)
Overall Height:
Varies by model (detailed in manual)
Cargo Capacity:
N/A (Tractor - refers to implement/hauling capacity)
Shipping Weight:
Varies by model (detailed in manual)
Operating Weight:
Varies by model (detailed in manual)
Front Tire Size:
Varies by model (e.g., 4.00-8, 6.00-12, etc.)
Rear Tire Size:
Varies by model (e.g., 8-16, 10-18, 12-16.5, etc.)
Wheel Bolt Pattern:
Varies by model (detailed in manual)
Safety Certifications:
Varies by era and region; manual focuses on part identification for safe operation and repair.
Braking System:
Parts for mechanical drum brakes or disc brakes (depending on model) and parking brake mechanism
Steering Mechanism:
Parts for steering gearbox, tie rods, drag links, and steering shafts
Operator Station:
Parts related to operator controls, footrests, and basic platform/seat mounting
Guarding:
Parts for PTO shields, belt guards, and other safety guards
Infotainment System:
N/A (Basic tractor design)
Driver Assistance Features:
N/A (Basic tractor design)
Connectivity Options:
N/A (Basic tractor design)
Instrument Panel:
Parts for basic gauges (ammeter, oil pressure, temperature if applicable) and warning lights.
Engine Oil Change:
Refer to original owner's manual or engine service manual; typically every 50-100 operating hours, or annually.
Gear Oil Change:
Refer to original owner's manual or transmission service manual; typically annually or every 200-300 operating hours.
Lubrication Points:
Grease fittings on steering components, linkages, wheel bearings, and PTO shafts should be serviced regularly (refer to manual for specific locations and frequency).
Engine Oil Viscosity:
SAE 30 or SAE 10W-30 (confirm specific engine requirement in original documentation or manual)
Engine Oil API Classification:
API SF or SG (or equivalent for older oils) (confirm specific engine requirement)
Transmission Oil Type:
SAE 90 Gear Oil or specialized hydrostatic fluid (confirm specific model requirement)
Hydraulic Fluid Type:
If applicable, specific tractor hydraulic fluid or JD-specific fluid may be recommended (confirm in manual).
Common Wear Items:
Wear on steering components, clutch friction discs, PTO engagement mechanisms, and hydraulic pump seals.
Electrical Challenges:
Age-related degradation of wiring harnesses, switches, and starter solenoids.
Engine Carburetion:
Gumming and clogging of carburetors due to fuel degradation over time; ignition system maintenance.
Manufacturer:
Bolens Garden Tractors (part of FMC Corporation during this era)
Legacy:
Bolens was a prominent manufacturer of garden tractors, known for their robustness and versatility during the mid to late 20th century.
Series Development:
The covered models (HT 20, 1250, 1455, 1476, 1477, 1886) represent different power levels and feature sets within the Bolens product line during a key period of development.
Production Period Overview:
The period of 1967-1972 saw significant advancements in garden tractor technology, with Bolens offering a range of models to meet diverse consumer needs.
Model Specific Years:
HT 20 (1973-1981), 1250 (1967-1969), 1455 (1969), 1476 (1970-1971), 1477 (1971), 1886 (1971-1972)
