Tractor Class:
Compact to Utility Tractor, suitable for a range of agricultural and landscaping tasks.
Target User:
Professional farmers, landscapers, smallholders, and tractor enthusiasts.
Key Competitors:
Models from John Deere, Massey Ferguson, New Holland, and Yanmar within similar horsepower and feature classes of the era.
Transmission Type:
GST (Glide Shift Transmission) - likely a hydrostatic transmission with electronic control for seamless shifting and variable speed control.
Engine Type:
Reliable diesel engine known for durability and fuel efficiency.
Pto Capabilities:
Standard rear PTO, likely with multiple speed options.
Hydraulic Capacity:
Robust hydraulic system for operating implements and front-end loaders.
Primary Coverage:
Kubota L3450GST Tractor
Engine Coverage:
Service, repair, and diagnostics for the tractor's engine.
Transmission Coverage:
Service, repair, and diagnostics for the GST transmission system.
Hydraulics Coverage:
Service, repair, and diagnostics for the hydraulic system, including pump, cylinders, and valves.
Electrical Coverage:
Wiring diagrams, troubleshooting, and repair of the electrical system, including starting, charging, and lighting.
Chassis Coverage:
Service and repair of the front axle, rear axle, steering, and braking systems.
Pto Coverage:
Service and repair of the Power Take-Off (PTO) system.
Operator Station Coverage:
Service and repair of the operator's station, including controls and instrumentation.
Estimated Pages:
Hundreds of pages (exact count not specified, implies comprehensive)
Type:
Factory Service Repair Manual
Engine System:
Detailed information on engine overhaul, components, lubrication, cooling, and fuel system maintenance.
Transmission System:
In-depth coverage of the hydrostatic HST transmission (likely, given 'GST' designation), including maintenance, troubleshooting, and repair of hydrostatic components.
Hydraulic System:
Comprehensive details on the tractor's hydraulic system, including pump operation, valve bodies, cylinder service, fluid capacities, and troubleshooting.
Electrical System:
Complete wiring diagrams, component identification, testing procedures, and troubleshooting for all electrical circuits.
Steering System:
Procedures for servicing the power steering system, including hydraulic components and steering linkage.
Braking System:
Details on servicing the brake system, including adjustments and component replacement.
Pto System:
Maintenance and repair procedures for the rear PTO, including engagement and speed controls.
Cooling System:
Information on radiator, coolant, thermostat, and fan service.
Fuel System:
Details on fuel filters, injection pump, injectors, and fuel lines.
Maintenance Procedures:
Scheduled maintenance tasks, lubrication points, fluid changes, and filter replacements.
Troubleshooting Guides:
Systematic diagnostic procedures for identifying and resolving common and uncommon issues.
Disassembly And Assembly:
Step-by-step instructions for removing, inspecting, repairing, and reassembling all major tractor components.
Engine Overhaul:
Complete engine rebuild procedures, including piston, ring, bearing, and gasket replacement.
Transmission Repair:
Detailed instructions for servicing the hydrostatic transmission, including pump and motor rebuilds.
Hydraulic Component Service:
Procedures for servicing hydraulic pumps, control valves, cylinders, and filters.
Electrical Diagnostics:
Methods for testing electrical components, circuits, and diagnosing faults using wiring diagrams.
Adjustments:
Procedures for adjusting brakes, clutch, PTO engagement, and other critical settings.
Depth:
Comprehensive factory-level repair and maintenance information.
Diagnostic Capability:
Provides diagnostic trees and troubleshooting charts for efficient problem resolution.
Rebuild Procedures:
Includes full rebuild specifications and procedures for major components.
Torque Specifications:
Includes critical torque specifications for all fasteners and critical assemblies.
Clearances And Tolerances:
Provides specific clearances and tolerances for engine and transmission components.
File Type:
Portable Document Format (PDF)
Searchability:
Likely text-searchable PDF for efficient information retrieval.
Printability:
Designed for printing, allowing users to print entire manual or specific pages.
Binding Type For Print:
N/A (Digital download, user dependent)
Paper Type For Print:
N/A (Digital download, user dependent)
Engine Model:
Likely a Kubota D-series diesel engine (e.g., D950 or similar).
Engine Type:
Naturally aspirated or turbocharged diesel engine.
Displacement:
Approximately 1.8L to 2.4L (specific to engine variant, consult manual for exact details).
Horsepower Rating:
Around 30-35 PTO horsepower (PTO HP is typically higher than engine HP).
Torque Output:
Refer to manual for specific torque figures, but adequate for its class.
Injection System:
Direct injection, likely mechanical injection pump.
Cooling Method:
Liquid-cooled
Oil Type:
Kubota recommends specific diesel engine oil grades (e.g., API CJ-4 or similar) - exact specification in manual.
Transmission Type:
GST (Glide Shift Transmission) - Hydrostatic Transmission (HST)
Gear Selection:
Variable speed via foot pedal or lever, likely with range selection (e.g., Hi/Lo).
Cruise Control:
Often available on GST models for maintaining set speeds.
Transmission Fluid:
Specific hydrostatic transmission fluid (refer to manual for exact type and capacity, e.g., Kubota UDT or similar).
Overall Length:
Approximately 120-130 inches (3050-3300 mm), varies with configuration.
Overall Width:
Approximately 60-70 inches (1525-1780 mm), varies with tires.
Overall Height:
Approximately 80-90 inches (2030-2285 mm), varies with ROPS/cab.
Operating Weight:
Approximately 2500-3000 lbs (1135-1360 kg), without implements.
Wheelbase:
Around 70-75 inches (1780-1905 mm).
Engine Oil Change:
Typically every 100-200 operating hours or annually, refer to manual for exact interval.
Hydraulic Fluid Change:
Typically every 400-600 operating hours or biennially, refer to manual.
Air Filter Replacement:
As needed, based on operating conditions, with a recommended check every 50 hours.
Engine Oil Grade:
Kubota Super UDT or equivalent SAE 10W-30, 15W-40 diesel engine oil (confirm with manual).
Hydraulic Fluid Type:
Kubota Super UDT or equivalent tractor hydraulic fluid.
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water, typically 50/50 mix.
Transmission Fluid Capacity:
Refer to manual for exact capacity, likely around 5-7 gallons.
Common Wear Items:
Hydraulic hoses, PTO clutch, hydrostatic transmission drive belts, and seals can be common wear items.
Potential Electrical Problems:
Corrosion on connectors, especially in damp environments, can cause intermittent electrical issues.
Engine Idling Issues:
Can sometimes be related to fuel system cleanliness or air intake issues.
