Tractor Segment:
Sub-compact utility tractor, designed for landscaping, property maintenance, and light agricultural tasks.
Key Selling Points:
Compact size, maneuverability, versatility with loader and backhoe attachments, reliable Kubota diesel engine.
Competitors:
John Deere 1-Series/2-Series, Mahindra eMAX Series, Yanmar SA Series, Kioti CK Series.
Tractor Features:
4WD, hydrostatic transmission, independent PTO, three-point hitch, operator comfort features.
Attachment Integration:
Seamless integration with Kubota's LA240 front loader and BT601 backhoe, enhancing utility.
Engine:
D902 diesel engine overhaul, fuel system, lubrication, cooling, air intake, exhaust, starting and charging systems.
Transmission:
HST (Hydrostatic Transmission) operation, maintenance, repair, and troubleshooting.
Drivetrain:
Front and rear differentials, drive shafts, PTO (Power Take-Off) systems, and hydraulic drive components.
Hydraulics:
Hydraulic pump, control valves, cylinders, hoses, filters, and system diagnostics for tractor, loader, and backhoe.
Electrical:
Wiring diagrams, component testing, lighting systems, starter, alternator, and electronic controls.
Steering:
Hydrostatic power steering system operation, maintenance, and repair.
Braking:
Brake system components, adjustment, and troubleshooting.
Loader La240:
Disassembly, assembly, hydraulic functions, control valve servicing, and attachment procedures for the LA240 front loader.
Backhoe Bt601:
Disassembly, assembly, hydraulic functions, control valve servicing, bucket and stick maintenance, and digging operation for the BT601 backhoe.
Maintenance:
Routine inspections, lubrication, fluid changes, filter replacements, and general upkeep procedures.
Troubleshooting:
Diagnostic charts, common problem identification, and step-by-step corrective actions for various systems.
Repair:
Detailed disassembly, cleaning, inspection, repair, and reassembly instructions for all major components and systems.
Specifications:
Torque specifications, clearances, fluid capacities, pressure settings, and electrical values.
Adjustment:
Brake adjustment, clutch engagement, PTO speed settings, and hydraulic control adjustments.
Installation:
Procedures for installing or removing attachments like the LA240 loader and BT601 backhoe.
Depth Level:
Comprehensive workshop level, suitable for professional technicians and experienced DIY mechanics.
Diagnostic Capability:
Includes advanced diagnostic procedures for hydraulic and electrical systems.
Rebuild Procedures:
Detailed instructions for overhauling engine, transmission, and hydraulic components.
Engine Type:
3-cylinder, liquid-cooled, diesel
Displacement:
898 cc (54.8 cu. in.)
Bore X Stroke:
72 mm x 73.6 mm (2.83 in. x 2.90 in.)
Horsepower Gross:
23.0 HP (17.2 kW)
Horsepower Net Pto:
18.5 HP (13.8 kW) (Estimated)
Rated Engine Speed:
3000 RPM
Torque Peak:
Not specified in product description, but typically around 40-45 lb-ft for this engine.
Injection System:
Indirect Injection
Fuel Filter Part Number:
Kubota genuine filters recommended, e.g., for D902 engine (check manual for specifics).
Engine Oil Type:
Kubota UDT Fluid or equivalent API CG-4/CH-4 SAE 10W-30 diesel engine oil (refer to manual for exact specification).
Engine Oil Capacity:
Approximately 3.7 L (3.9 US qt) (check manual for exact capacity).
Coolant Type:
Ethylene glycol based antifreeze coolant (50/50 mix with distilled water) (check manual for specific type).
Coolant Capacity:
Approximately 4.5 L (4.8 US qt) (check manual for exact capacity).
Transmission Type:
HST (Hydrostatic Transmission) with Variable Speed Drive
Gear Options:
Two-pedal control system for forward and reverse operation.
Pto Type:
Independent Rear PTO (540 RPM) and Mid PTO (2000 RPM) (check PTO specifications for BX25 model variant).
Transmission Fluid Type:
Kubota UDT Fluid or equivalent (check manual for precise specification).
Transmission Fluid Capacity:
Approximately 21.0 L (5.5 US gal) (check manual for exact capacity).
Overall Length:
Approximately 2370 mm (93.3 in.) without rear PTO and 2560 mm (100.8 in.) with rear PTO (without attachment).
Overall Width:
Approximately 1015 mm (39.9 in.)
Overall Height:
Approximately 1405 mm (55.3 in.) to operator's seat, 2245 mm (88.4 in.) with ROPS deployed.
Wheelbase:
1300 mm (51.2 in.)
Ground Clearance:
Approximately 245 mm (9.6 in.)
Operating Weight:
Approximately 650 kg (1433 lbs) (tractor only).
Loader Weight:
LA240: Approximately 200 kg (440 lbs).
Backhoe Weight:
BT601: Approximately 320 kg (705 lbs).
Lift Capacity Loader:
LA240: Approximately 330 kg (727 lbs) at maximum lift height to bucket pin.
Lift Capacity 3Pt:
Approximately 680 kg (1499 lbs) at the ball ends.
Drawbar Pull:
Not specified, but ample for its class.
Rollover Protection:
ROPS (Roll-Over Protective Structure) standard.
Operator Presence:
Operator presence system for safety interlocks.
Parking Brake:
Independent mechanical parking brake.
Lighting:
Headlights, taillights, and hazard lights for visibility.
Seatbelt:
Seatbelt for ROPS equipped tractors.
Engine Oil Change:
Every 50-100 operating hours or annually (refer to manual for exact interval based on usage).
Air Filter Service:
Check and clean every 50 hours, replace as needed or every 250 hours.
Fuel Filter Replacement:
Replace every 250 hours or annually.
Transmission Fluid Change:
Every 400 operating hours or every 2 years.
Hydraulic Fluid Type:
Kubota UDT Fluid or equivalent (check manual for precise specification).
Hydraulic Fluid Capacity:
Approximately 21.0 L (5.5 US gal) (check manual for exact capacity, combined with transmission).
Grease Type:
Lithium-based grease (refer to manual for specific NLGI grade).
Common Wear Items:
Wear on PTO spline, hydraulic hoses, and seals due to heavy use. Potential for hydro-stat filter clogging if fluid maintenance is neglected.
Electrical Gremlins:
Corrosion on electrical connectors, especially in wet environments, can lead to intermittent issues.
Loader Cylinder Leaks:
Seals in the loader cylinders can wear over time, leading to slow operation or leaks.
Manufacturer:
Kubota Corporation, a Japanese company with a long history of manufacturing agricultural machinery and industrial equipment.
Bx Series:
The BX series represents Kubota's line of compact, versatile tractors designed for homeowners, landscapers, and small farm operations.
Production Period:
The BX25 model was produced roughly from the late 2000s into the mid-2010s, superseded by newer BX models.