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Home / Farm Tractors / Kubota Tractors / Kubota B3150

Kubota B3150 Tractor

The Kubota B3150 is a 4WD compact utility tractor from B50 series. This model was manufactured between 2014 and 2020. The Kubota B3150 driveline includes a 91.5 cu.in (2 L) Kubota V1505 vertical 4-cylinder indirect injection water-cooled diesel engine and 3-range hydrostatic transmission with infinite forward and reverse gears.

The engine has a cylinder bore of 3.09" (78 mm), piston stroke of 3.10" (79 mm), and rated power of 28 hp (20.9 kW). Max. travel speed (forward and reverse): 11.5 mph (18.5 km/h) / 9 mph (14.5 km/h).

The open center hydraulic system used a gear pump with fluid flow rate of 8.7 gpm (33.1 lpm). The hydraulic system pressure is 161.8 bar (2347 psi). The Kubota B3150 is equipped with a hydrostatic power steering, wet disc brakes, 7.00x12 or 24x8.50-12 front tires, and 12.4x16 or 13.6x16 rear tires. The wheel base is 65.6" (1666 mm). The tractor is compatible with the following attachments: 54", 60" mid-mount 3-blade mower decks with cutting height of 1.5-4.0 in (30-100 mm), and Kubota LA534EC loader with lift capacity to full height of 1146 lbs (519 kg).

Engine
Engine Model Kubota V1505
Engine Type Indirect Injection, vertical, water-cooled 4 cycle diesel
Number of Cylinders 4
Displacement, cu in (L) 91,5 (1,98)
Engine Bore, in (mm) 3,09 (78,0)
Engine Stroke, in (mm) 3,1 (78,4)
Rated Engine Power, hp (kW) 28,0 (20,9)
Maximum Engine Power, hp (kW) 31,0 (22,8)
Rated Engine Speed, rpm 2500
Maximum Torque, Nm (ft-lbs) 97,9 (72,2)
Compression 22:1
Fuel System Indirect Injection
Fuel Injection to combustion chamber Spherical type
Fuel Tank Capacity, gal (L) 7,1 (27,0)
Oil Capacity, qts (L) 4,5 (4,3)
Coolant Capacity, qts (L) 4,2 (4,0)
Electrical System Rating, Volts 12
Alternator Rating, Amps 65

Power Take-Off
Rear PTO Operational Type Independent
PTO Horsepower, hp (kW) 23,2 (17,4)
PTO Speeds, rpm 540 (1375)
Mid PTO Optional
Mid PTO Speeds, rpm 2500

Transmission
Transmission Type Hydrostatic, 3 range gear shift
Number of Forward Gears 3 (Lo-Mid-High)
Number of Reverse Gears 3 (Lo-Mid-High)
Oil Capacity, gal (L) 4,0 (15,0)
Maximum Forward Speed, mph (kph) 11,5 (18,5)
Maximum Reverse Speed, mph (kph) 9.0 (14,5)

Wheels and Tires
Drive Wheels 4WD 4x4
Steering Configuration Front steer
Steering System Hydrostatic power
Service Brake Wet disc type
Front Tire Size (Std) 7.0-12
Rear Tire Size (Std) 12.4-16
Front Tire Size (Turf) 24x8.50-12
Rear Tire Size (Turf) 13.6-16


Hydraulic System
Main Hydraulic Pump Type Gear
Implement Pump Flow, gpm (Lpm) 8,7 (33,1)
Hydraulic Pressure, bar (psi) 161,8 (2347)
3-Point Hitch Category 1
Hydraulic control system Position control
Standard Lift Capacity 24-in behind pin, lb (kg) 1676 (760)
Standard Lift Capacity at lift pin, lb (kg) 2139 (970)

Dimensions and Weight
Wheelbase, in (mm) 65,6 (1666)
Length (ROPS), in (mm) 101,2 (2570)
Length (Cabin), in (mm) 103,9 (2640)
Height (ROPS), in (mm) 88,4 (2245)
Height (Cabin), in (mm) 84,6 (2150)
Overall Width 53,7 (1365)
Ground Clearance, in (mm) 14,6 (370)
Minimum turning radius (with brake), in (mm) 83,3 (2100)
Front Tread, in (mm) 36,8 (935)
Rear Tread, in (mm) 41,3 (1050)
Weight (ROPS), lb (kg) 1874 (850)
Weight (Cabin), lb (kg) 2359 (1070)

Front End Loader
Loader Model Kubota LA534EC
Height (to pin), in (mm) 84,7 (2150)
Clearance, dumped bucket, in (mm) 67,4 in (1710)
Dump angle, deg 36
Rollback angle, deg 29
Lift to full height (at pin), lb (kg) 1146 (519)

54" Mower Deck
Mower Deck Type Mid-mount
Number of Blades 3
Cutting width, in (mm) 54 (1370)
Weight, lb (kg) 328 (148)
Cutting height, in (mm) 1,5-4,0 (30-100)

60" Mower Deck
Mower Deck Type Mid-mount
Number of Blades 3
Cutting width, in (mm) 60 (1520)
Weight, lb (kg) 348 (157)
Cutting height, in (mm) 1,5-4,0 (30-100)

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