Target Audience:
Farmers, ranchers, and small-scale agricultural operators
Vehicle Class:
Utility tractor, 47-54 horsepower range
Key Advantage:
Durable construction, reliable diesel engine, and ease of maintenance
Comparison:
Competes with similar utility tractors from John Deere and New Holland, offering comparable power with a reputation for longevity
Engine:
4-cylinder indirect injection diesel with high torque reserve
Transmission:
8-speed or 12-speed with synchronized shuttle for easy shifting
Hydraulics:
Open center system with live hydraulics, category II 3-point hitch
Operator Environment:
Flat deck, easy-to-reach controls, optional cab
Engine:
Complete engine information: identification, specifications, maintenance, overhauls
Cooling System:
Radiator, thermostat, water pump checks and replacement
Lubrication System:
Oil and filter changes, pressure checks, components
Fuel System:
Fuel lines, filters, injection pump, injectors, bleeding and adjustments
Electrical System:
Battery, charging system, starting system, wiring diagrams, fuse locations
Transmission and Clutch:
Clutch adjustment, gear shifts, troubleshooting, overhaul procedures
Drive Train:
Front axle (4WD), rear axle, differential, final drives
Steering System:
Steering gear, power steering components, tie rods
Brakes:
Brake adjustment, lining replacement, hydraulic system
Hydraulic System:
Hydraulic pump, control valves, 3-point hitch, remote valves
Body and Chassis:
Frame, body panels, operator platform
Maintenance:
Scheduled maintenance intervals, fluid checks, filter replacements, lubrication points
Service:
Step-by-step instructions for common service tasks
Repair:
Comprehensive disassembly and reassembly procedures for major components
Troubleshooting:
Tables of symptoms, causes, and corrective actions
Detail Level:
Written for technicians and experienced DIY owners, with specific torque specs and clear diagrams
Special Tools:
Where special tools are required, they are noted and part numbers provided
Torque Specifications:
All critical fasteners torque specifications included
Parts Diagrams:
Exploded views of major systems to aid in part identification
Part Numbers:
OEM part numbers for commonly replaced items
Ordering Info:
Guidance on how to order parts from a Kubota dealer
File Type:
PDF (Portable Document Format)
Compatibility:
Compatible with Windows, macOS, Linux, iOS, Android, and most devices with a PDF reader
Requirements:
PDF reader software such as Adobe Acrobat Reader, Foxit Reader, or similar
Searchability:
Searchable text, allowing you to quickly find keywords
Print Resolution:
300 DPI, high-quality printing possible
Binding:
Digital (no physical binding)
Paper:
N/A - digital download
Engine Model:
Kubota V2403 (M4700), V2403 (M5400)
Type:
4-cylinder, 4-cycle, liquid-cooled diesel
Displacement:
2.434 L (148.5 cu in)
Power Output (M4700):
47 HP (35 kW) at 2600 rpm
Power Output (M5400):
54 HP (40 kW) at 2600 rpm
Torque:
Not specified in manual
Injection:
Indirect injection
Fuel Tank Capacity:
Approximately 27 gallons (102 L)
Type:
8-speed (2 ranges x 4 gears) or 12-speed (3 ranges x 4 gears) with dry disc clutch
Shuttle:
Mechanical shuttle standard, hydraulic shuttle optional
Speeds:
Forward up to 16.6 mph (26.7 km/h) depending on range and tire size
Hydraulic Shuttle:
Available for easier direction changes, especially useful for loader work
Creep Speed:
Optional creeper gear for reduced speeds for special operations
Synchromesh:
Synchromesh on gears 2-4 for smoother shifting (on some versions)
Clutch:
Dry single-disc, diameter not specified
Wheelbase:
Approximately 73.6 inches (187 cm)
Length:
Approximately 134 inches (340 cm) excluding 3-point hitch
Width:
Varies with tire settings, typically around 60-70 inches
Height:
Varies with ROPS/cab, approximately 93 inches
Curb Weight:
Approximately 4900 lbs (2220 kg) for 2WD, 5200 lbs (2360 kg) for 4WD
Crash Test Ratings:
N/A - tractors are not crash tested
Brakes:
Wet disc brakes, self-equalizing, independent for each rear wheel for tight turns
Lighting:
Full lighting package including front and rear work lights
ROPS:
Rollover Protective Structure (foldable or fixed), standard
Seat Belt:
Seat belt included with ROPS
Operator Presence:
Seat switch to prevent cranking in gear
Audio System:
None - not applicable to agricultural tractors
Hydraulic Controls:
Position control, draft control, and mixed control for 3-point hitch
Instrumentation:
Analog gauges for water temperature, oil pressure, fuel level, tachometer, hour meter
Engine Oil:
Every 100 hours or 12 months
Transmission Oil:
Every 200 hours or 24 months
Hydraulic Oil:
Every 200 hours or 24 months
Fuel Filter:
Every 200 hours
Air Filter:
Clean every 10 hours, replace every 250 hours
Coolant:
Change every 2 years or 2000 hours
Engine Oil:
API CI-4 or higher, SAE 10W-30 or 15W-40
Transmission Fluid:
Kubota UDT or SUDT
Hydraulic Fluid:
Kubota UDT or SUDT
Coolant:
Ethylene glycol based, with anti-corrosion additives
Known Issues / Common Wear Items
Injector Wear:
May require replacement after high hours
Hydro Pump Gasket:
Leakage can occur; replace gasket
Steering Cylinder Seals:
Wear over time leading to drift; rebuild cylinder
Clutch Linings:
Wear; adjust or replace as needed
Manufacturer:
Kubota Corporation, a major Japanese tractor manufacturer
Heritage:
Known for compact and utility tractors with a reputation for reliability
Predecessor:
M4500 / M5500 series
Successor:
M4800 / M5400 series (updated versions)
Series Highlights:
Improved comfort and hydraulic performance over earlier models
Assembly:
Manufactured in Japan, exported globally