Segment:
Compact Utility Tractor (CUT)
Target Audience:
Small to medium-sized farms, landscaping businesses, property owners, and hobby farmers.
Competitors:
John Deere 5 Series, Mahindra 1500 Series, Massey Ferguson GC Series, Yanmar SA Series.
Versatility:
Designed for a wide range of tasks with available front-end loaders, backhoes, and other implements.
Transmission Options:
Choice between Direct Drive (DT), Glide Shift Transmission (GST), and Hydrostatic Transmission (HST) to suit operator preference and application.
Build Quality:
Reputation for Kubota's robust construction and reliability.
Primary Coverage:
Comprehensive parts identification and breakdown for Kubota L4310DT, L4310GST, and L4310HST tractor models.
Secondary Coverage:
Detailed parts explosions and exploded views for all assemblies and components.
Estimated Pages:
High (specific count not provided, typical for master parts lists on complex equipment)
Type:
Parts Catalog / Parts List Manual
Engine:
Complete breakdown of engine components, including block, head, fuel system, lubrication, cooling, and exhaust.
Powertrain:
Detailed parts for drivetrain, including transmission (DT - Direct Drive, GST - Glide Shift Transmission, HST - Hydrostatic Transmission), differentials, PTO, and drive shafts.
Hydraulic System:
Components of the hydraulic system, including pumps, valves, cylinders, hoses, and reservoir.
Electrical System:
Wiring harnesses, lights, battery, starter, alternator, sensors, and control modules.
Operator Station:
Seat, controls, dashboard, ROPS (Roll-Over Protective Structure), and associated parts.
Implements And Attachments:
Parts related to front loader, rear hitch, mower, and other common tractor attachments if applicable to the base tractor build.
Chassis:
Frame, axles, steering components, and related hardware.
Assembly Disassembly:
Provides visual guides (exploded views) crucial for understanding the order of assembly and disassembly of components.
Part Identification:
Primary function is to accurately identify every part with its corresponding part number.
Part Ordering:
Essential for ordering replacement parts, ensuring correct fitment and model compatibility.
Depth:
Highly detailed for parts identification and enumeration. Does not typically include repair procedures or diagnostic steps, but is foundational for them.
User Level:
Mechanics, parts specialists, and knowledgeable owners undertaking parts replacement.
Model:
Kubota Diesel Engine (Specific model number varies by exact L4310 variant, often D1803 or similar)
Horsepower Gross:
Approximately 43 HP (gross)
Displacement:
Approximately 1.8 Liters (111.7 cu. in.)
Cooling System:
Water-cooled
Injection Type:
Indirect Injection (IDI) or Direct Injection (DI) depending on specific engine variant.
Transmission Types:
Direct Drive (DT), Glide Shift Transmission (GST), Hydrostatic Transmission (HST)
Gear Configurations:
DT: 8 Forward / 4 Reverse gears; GST: Features a two-speed synchronized gear shift; HST: Infinitely variable speeds controlled by a foot pedal.
Clutch Type:
DT: Single-stage dry clutch; GST/HST: Typically operated without a traditional clutch pedal for forward/reverse.
Length:
Approx. 116.9 inches (2970 mm) without 3-point hitch
Width:
Approx. 57.1 inches (1450 mm) at rear tread
Height:
Approx. 90.6 inches (2300 mm) to top of ROPS
Operating Weight:
Approx. 2600 lbs (1179 kg) - Varies with configuration
Wheelbase:
Approx. 70.1 inches (1780 mm)
Dashboard Features:
Basic instrumentation including tachometer, engine temperature gauge, fuel gauge, and warning lights.
Operator Controls:
Mechanical power steering, hydrostatic power steering (on HST models), independent PTO engagement.
Electrical Outlets:
Provision for 12V accessories, often with a standard trailer lighting connector.
Engine Oil Change:
Typically every 50 or 100 hours, or annually, depending on operating conditions and specific engine oil used.
Air Filter Service:
Inspect every 50 hours, clean/replace as needed. Replace every 200 hours or annually.
Fuel Filter Replacement:
Replace every 200 hours or annually.
Hydraulic Fluid Change:
Typically every 600 hours or annually.
Engine Oil:
Kubota UDT Fluid or SAE 10W-30 API CE/CF engine oil (consult specific manual for exact recommendation and viscosity based on temperature).
Hydraulic Fluid:
Kubota UDT Fluid or equivalent (universal tractor transmission fluid).
Transmission Fluid:
Varies by transmission type (UDT for HST/GST, gear oil for DT) - specific types and quantities required.
Common Wear Items:
Water pump, starter, alternator, hydraulic pump seals, and PTO clutch wear are common on higher-hour machines.
Electrical Gremlins:
Corrosion on connectors, particularly for PTO switch or park brake interlock, can cause intermittent issues.
Transmission Care:
Proper hydraulic fluid maintenance is critical to the longevity of the HST and GST systems.
Manufacturer Origin:
Japan
Reputation:
Kubota is renowned for its durable and reliable compact and sub-compact tractors, built for demanding agricultural and property maintenance tasks.
Generation:
The L4310 is part of Kubota's long-standing and highly successful L-Series, known for its robust engineering and operator comfort.
Production Period:
Mid-2000s (Specific model years for L4310 are generally 2003-2005, but parts lists often cover a range of production years).
