🏷️ Basic Information

Make:

Kubota

Model:

M6800S

Product Type:

Tractor Service Repair Workshop Manual

Manual Code:

Likely an internal Kubota model/manual identifier (specific code not provided in product info)

👋 Introduction

Tractor Segment:

Compact to utility-class tractor, suitable for a wide range of agricultural, landscaping, and construction tasks.

Competitors:

Competes with models from John Deere (e.g., 5 Series), Mahindra (e.g., 4500 Series), Massey Ferguson, New Holland, and LS Tractor in a similar horsepower range.

Features Highlight:

Known for reliability, versatility, user-friendly operation, and robust Kubota diesel engine performance.

📋 Manual Details

Coverage:

Comprehensive service and repair instructions for the Kubota M6800S tractor.

Page Count:

Exact page count not specified in product information, but implies a comprehensive manual.

Manual Type:

Service Repair Workshop Manual

Language:

English (implied by target market and common practice)

Format:

PDF Download

📖 Manual Coverage

Engine System:

Engine overhaul, maintenance, fuel system, lubrication system, cooling system, starting system, charging system, emission controls.

Transmission System:

Clutch, gearbox, differential, final drive, PTO (Power Take-Off) system, hydraulic transmission components (if applicable).

Hydraulic System:

Hydraulic pump, control valves, cylinders, hoses, filters, reservoir, hitch control, auxiliary hydraulic circuits.

Electrical System:

Wiring diagrams, lighting, starter, alternator, battery, fuses, relays, sensors, control modules, instrument panel.

Chassis And Steering:

Front axle, rear axle, steering system (hydrostatic power steering), braking system (wet disc brakes), wheel hub assemblies.

Operator Station:

Operator seat, controls, dashboard, ROPS (Roll Over Protective Structure), fenders, platform/cab components.

Cooling System:

Radiator, thermostat, water pump, hoses, fan, coolant specifications.

Fuel System:

Fuel tank, fuel lines, fuel filter, injection pump (if applicable), injectors, troubleshooting fuel delivery.

Maintenance Procedures:

Routine inspections, lubrication points, fluid level checks, filter replacements, belt adjustments, greasing intervals.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and uncommon issues across all major systems.

Repair Procedures:

Step-by-step instructions for disassembling, repairing, and reassembling major components and sub-assemblies.

Overhaul Procedures:

Detailed instructions for complete engine, transmission, and hydraulic system overhauls.

Adjustment Procedures:

Precise adjustments for clutch, brakes, steering, hydraulic controls, and engine components.

Installation Procedures:

Guidelines for installing new components or replacement parts.

Depth:

In-depth, professional-level coverage suitable for trained mechanics, including detailed diagrams, specifications, and diagnostic flowcharts.

📊 Manual Specifications

File Type:

PDF

Searchability:

Typically searchable text within PDF for quick information retrieval.

Printability:

Designed for easy printing of individual pages or sections.

Binding:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Model:

Kubota V2203-M-DI (likely, common for this series, but specific variant may vary)

Engine Type:

Four-cylinder, liquid-cooled, naturally aspirated, direct injection diesel engine.

Displacement:

Approximately 2.197 liters (134 cubic inches)

Bore X Stroke:

87 mm x 92.4 mm (3.43 in x 3.64 in)

Rated Horsepower:

Likely around 68 HP (Gross PTO Horsepower, specific rating may vary by sub-model).

Torque:

Specifications vary by engine variant, but typically in the range of 140-160 lb-ft at low RPM.

Fuel Type:

Diesel

Injection Type:

Direct Injection (DI)

Fuel Filter Part Number:

Kubota 15231-43000 or equivalent (example, verify with specific model).

Engine Oil Capacity:

Approximately 7.4 liters (7.8 US quarts) with filter.

Engine Oil Type:

API CE/CF, SAE 15W-40 or SAE 10W-30 depending on ambient temperature.

🔧 Transmission

Transmission Type:

Hydrostatic Transmission (HST) with electronic control for speed and traction management.

Optional Transmission:

Standard M6800S usually features HST. Some variants might have a gear drive option, but HST is prevalent for this 'S' designation.

Speed Control:

Variable speed control via foot pedal or lever, cruise control functionality.

Transmission Fluid Type:

Kubota UDT (Universal Drain Transmission) Fluid or equivalent.

Transmission Fluid Capacity:

Approximately 35 liters (9.2 US gallons) for HST system.

📐 Dimensions

Overall Length:

Approximately 3.3 meters (130 inches) without front weights/loader.

Overall Width:

Approximately 1.7 meters (67 inches) to 2.0 meters (79 inches) depending on tire size.

Overall Height:

Approximately 2.5 meters (98 inches) to ROPS height.

Operating Weight:

Approximately 1,800 - 2,000 kg (3,968 - 4,409 lbs) without ballast.

Wheelbase:

Approximately 1.75 meters (68.9 inches).

🛡️ Safety Features

Rollover Protection:

Equipped with a standard ROPS (Roll Over Protective Structure). Optional factory-installed cab typically includes integrated ROPS.

Braking System:

Wet disc brakes for reliable stopping power and durability.

Parking Brake:

Mechanical parking brake integrated into the transmission or brake system.

Seatbelt:

Operator seat equipped with seatbelt for ROPS use.

Lighting:

Includes headlights, taillights, and turn signals for road use (where applicable and equipped).

💡 Technology Features

Operator Interface:

Basic analog and digital gauges for engine RPM, fuel level, temperature, and operating hours. Functional control layout for ease of use.

Electronic Controls:

Electronic HST control system for precise speed management and engine load optimization. Potential for electronic draft control on 3-point hitch depending on configuration.

Power Outlets:

May include 12V power outlet for accessories.

🔧 Maintenance

Engine Oil Change Interval:

Typically every 200-250 operating hours, or annually, whichever comes first.

Fuel Filter Replacement:

Recommended every 500 operating hours or as needed based on fuel quality and condition.

Hydraulic Fluid Change:

Typically every 1000-1500 operating hours, or annually, depending on usage and contamination.

Air Filter Cleaning Replacement:

Inspect and clean pre-filter weekly/daily; replace element as needed based on operating conditions (e.g., dusty environments require more frequent checks).

Hydraulic Fluid Spec:

Kubota UDT Fluid is specified for the transmission, hydraulics, and wet brake system. ISO VG 32 hydraulic oil may be acceptable for some auxiliary hydraulic applications, but UDT is preferred for integrated systems.

Hydraulic System Capacity:

Approximately 42.5 liters (11.2 US gallons) for the integrated hydraulic/transmission system.

Common Wear Items:

HST hydrostatic pump/motor wear, clutch wear (if applicable to specific sub-model), hydraulic seal leaks, front axle wear, overheating due to radiator blockage, PTO clutch wear.

Key Preventative Actions:

Regular fluid and filter changes, proper greasing of pivot points, keeping cooling system clean, inspecting hoses for leaks, and using correct fluid types are critical for longevity.

📚 Vehicle History

Brand Focus:

Kubota is a Japanese manufacturer renowned globally for its durable and reliable agricultural machinery, construction equipment, and engines since its founding in 1890.

Series Introduction:

The M-Series tractors represent Kubota's utility tractor line, evolving over decades to incorporate advanced features and improved performance. The M6800S is part of this lineage, likely succeeding earlier models and preceding newer generations with electronic fuel injection and more advanced hydraulics.

Manufacturing Location:

Kubota tractors are primarily manufactured in Japan and at various international facilities, including the United States, to serve global markets.

🏆 Awards & Recognition

Industry Reputation:

Kubota tractors, including the M-Series, are consistently recognized for their reliability, fuel efficiency, and value for money in independent reviews and owner satisfaction surveys within the agricultural and compact tractor markets.