Kubota

Kubota L305

The Kubota L305 is a compact utility tractor produced from 1979 to 1985. It features a 30 hp Kubota D1301 1.3L 3-cylinder liquid-cooled diesel engine, an 8-speed gear transmission with dry disc clutch, and is available in 2WD and 4WD variants. The tractor includes power steering, planetary final drives, wet disc brakes, and a two-post fixed ROPS. It has an open center hydraulic system with 6.4 gpm pump flow and a rear I-type hitch with position and draft control. The rear lift capacity is 2028 lbs. The PTO is live with 540/1000 rpm options and an optional front PTO. Dimensions include a 72.8 inch wheelbase, 126.4 inch length, and operating weight around 3140 lbs. Standard tires vary by drive type, and optional tires are available. Attachments include front-end loaders and backhoes with detailed specifications. The L305 is part of Kubota's L Series compact utility tractors alongside the L275 and L345 models.
Power30 hp
Founded1979 - 1985
ModelL305

Technical Specifications

Detailed specifications and technical data for Kubota L305

Power
Engine30 hp (22.4 kW)
PTO (tested)26.21 hp (19.5 kW)
PTO (claimed)26 hp (19.4 kW)
Drawbar (tested)21.78 hp (16.2 kW)
Tires
Optional tires (ag)Front: 7.00-16. Rear: 12.4-24
2WD Standard tires (ag)Front: 5.50-16. Rear: 13.6-24
4WD Standard tires (ag)Front: 8.3-16. Rear: 13.6-24
Engine
Typediesel
ModelKubota D1301
Power30 hp (22.4 kW)
Coolingliquid-cooled
Cylinders3-cylinder
Fuel tank8.8 gal (33.3 L)
Rated RPM2800
Air cleanerdry element
Bore/Stroke3.23x3.23 inches (82 x 82 mm)
Compression21:1
Displacement79.27 ci (1.3 L)
Starter volts12
Weight
Operating3140 lbs (1424 kg)
2WD Shipping2650 lbs (1202 kg)
4WD Shipping2855 lbs (1295 kg)
Dimensions
Width64.2 inches (163 cm)
Length126.4 inches (321 cm)
Wheelbase72.8 inches (184 cm)
Rear tread50.4 to 66.9 inches (128 to 169 cm)
Front tread48.1 inches (122 cm)
Ground clearance13.75 inches (34 cm)
Height (exhaust)79.9 inches (202 cm)
Electrical
Groundnegative
Battery volts12
Hydraulics
Typeopen center
Pump flow6.4 gpm (24.2 lpm)
Mechanical
ROPSTwo-post fixed ROPS
DriveTwo- or four-wheel drive
BrakesWet disc brakes
Steeringpower assist
Final drivesplanetary
Production
TypeCompact Utility tractor
Built inJapan
VariantsL305F 2WD, L305DT 4WD
ManufacturerKubota
Years produced1979 - 1985
Attachments
Loader
ModelL1720 Loader
Boom rod1.50 inches (3 cm)
Bucket rod1.25 inches (3 cm)
Dump angle42°
Boom cylinder2.00 inches (5 cm)
Bucket widths60 inches (152 cm), 66 inches (167 cm), 72 inches (182 cm)
Lift capacity1470 lbs (666 kg) full at pin
Breakout force2380 lbs (1079 kg)
Reach (dumped)38 inches (96 cm)
Reach (ground)73 inches (185 cm)
Bucket cylinder2.00 inches (5 cm)
Height (at pin)112 inches (284 cm)
Clearance (dumped)91 inches (231 cm)
Rollback (ground line)21°
Backhoes[object Object],[object Object]
OverviewFront-end loader, Backhoe
Transmission
Typegear
Gears8 forward and 2 reverse
Clutchdry disc
Tractor hitch
Controlposition and draft control
Rear TypeI
Rear lift2028 lbs (919 kg)
Power Take-off (PTO)
Rear PTOlive
Front PTOoptional
Engine RPM540@2530, 1050@2350
Rear PTO Type540/1000 (1.375)
Front PTO Type2800