Kubota

Kubota B3150

The Kubota B3150 is a compact utility tractor produced from 2014 onward as part of the B50 Series. It features a 1.5L 4-cylinder liquid-cooled diesel engine delivering 28 hp net and 30.6 hp gross, with a hydrostatic transmission offering infinite forward and reverse speeds across 3 ranges. The tractor includes four-wheel drive, mechanical rear differential lock, power steering, wet disc brakes, and a two-post folding ROPS with an optional air-conditioned cab. It supports a rear I-type hitch with position control and a rear lift capacity of 2138 lbs. PTO options include an independent 540 rpm rear PTO and an optional mid PTO. Dimensions include a 65.6 inch wheelbase, weights ranging from 1863 to 2348 lbs depending on configuration, and standard ag tires sized 180/85D12 front and 12.4-16 rear. Attachments include mid-mount mower decks (137 cm and 152 cm), front-end loaders, and various mower deck configurations. The tractor is designed for versatility in compact utility tasks.
Power30 hp
Founded2014 - 2024
ModelB3150

Technical Specifications

Detailed specifications and technical data for Kubota B3150

Power
Engine (net)28 hp (20.9 kW)
PTO (claimed)23.3 hp (17.4 kW)
Engine (gross)30.6 hp (22.8 kW)
Engine
ModelKubota 1.5L 4-cyl diesel
Coolingliquid-cooled
Starterelectric
Cylinders4-cylinder
Fuel typediesel
Rated RPM2500
Air cleanerdry element
Bore/Stroke3.07x3.09 inches (78 x 78 mm)
Displacement91.4 ci (1.5 L)
Starter volts12
Electrical
Groundnegative
Battery volts12
Charging systemalternator
Hydraulics
Pressure2347 psi (161.8 bar)
Total flow8.7 gpm (32.9 lpm)
Mechanical
ROPSTwo-post folding ROPS. Cab optional with air-conditioning.
BrakesWet disc brakes
Power steeringyes
Four-wheel driveyes
Differential lockmechanical rear
Production
TypeCompact Utility tractor
ManufacturerKubota
Production years2014 -
Attachments
54" Mower deck
Width54 inches (137 cm)
Blades3-blade
Weight328 lbs (148 kg)
Dischargeright-discharge
Cut height1.5 to 4 inch (3 to 10 cm)
LA534EC Loader
Dump angle36°
Rollback angle29°
Height (at pin)84.7 inches (215 cm)
Clearance (dumped)67.4 inches (171 cm)
Lift capacity (full at pin)1146 lbs (519 kg)
Front-end loaderyes
137 cm mid-mount mower deckyes
152 cm mid-mount mower deckyes
60" Mower deck (rear-discharge)
Width60 inches (152 cm)
Blades3-blade
Weight348 lbs (157 kg)
Dischargerear-discharge
Cut height1.5 to 4 inch (3 to 10 cm)
60" Mower deck (right-discharge)
Width60 inches (152 cm)
Blades3-blade
Weight353 lbs (160 kg)
Dischargeright-discharge
Cut height1.5 to 4 inch (3 to 10 cm)
Transmission
Typehydrostatic
Gearsinfinite forward and reverse (3-range)
Tractor hitch
Controlposition control
Rear TypeI
Rear lift (at ends)2138 lbs (969 kg)
Dimensions & Tires
Width53.7 inches (136 cm)
Rear tire12.4-16
Wheelbase65.6 inches (166 cm)
Cab Length118.4 inches (300 cm)
Front tire180/85D12
Rear tread41.3 inches (104 cm)
Front tread36.9 inches (93 cm)
ROPS Length115.6 inches (293 cm)
ROPS Weight1863 lbs (845 kg)
Height (cab)84.3 inches (214 cm)
Hydro Weight2348 lbs (1065 kg)
Height (ROPS)91.6 inches (232 cm)
Lawn/turf rear13.6-16
Lawn/turf front24x8.50-12
Ground clearance12.5 inches (31 cm)
Power Take-off (PTO)
Mid PTOoptional
Rear PTOindependent
Mid PTO Type2500 (Kubota 10-tooth #5)
Rear PTO Type540 (1.375)