Kubota B3150 Specification, Weight, Length, Width, Price & Review
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This article, which has been updated, has all of the information that you could ever want to learn about the Kubota B3150.
About Kubota B3150
The Kubota B3150 is a small utility tractor with four-wheel drive from the B50 series. This model was made in the years 2014 through 2020.
The driveline of the Kubota B3150 features a diesel engine with a displacement of 2 liters and 91.5 cubic inches, configured as a vertical 4-cylinder, with indirect injection, as well as a 3-range hydrostatic transmission that offers limitless forward and reverse gears.
The 28-horsepower engine has a 3.09″ cylinder bore and 3.10″ piston stroke. (20.9 kW). 11.5 mph forward, 9 mph backward.
The open center hydraulic system had a gear pump that moved 8.7 gallons per minute (gpm) of fluid (33.1 pm). The pressure in the system is 161.8 bar (2347 psi).
The Kubota B3150 has hydrostatic power steering, wet disc brakes, front tires that are 7.00×12 or 24×8.50-12, and back tires that are 12.4×16 or 13.6×16.
The length of the wheelbase is 65.6″ (1666 mm). The tractor can be used with 54-inch and 60-inch mid-mount 3-blade mower decks with cutting heights of 1.5 to 4.0 inches (30 to 100 mm) and a Kubota LA534EC loader that can lift 1146 pounds to full height (519 kg).
Kubota B3150 Price
Kubota B3150 Original Price: $30,062 USD
Kubota B3150 Engine
Kubota B3150 has a Kubota 1.5L 4-cyl diesel engine
Kubota B3150 Weight
Kubota B3150 weight is 1863 to 2348 pounds
Kubota B3150 Length
Kubota B3150 Width
Kubota B3150 width is 53.7 inches
Kubota B3150 Height
Kubota B3150 height is 91.6 inches
Kubota B3150 Specs
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 4×4 |
| 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) | 24×8.50-12 |
| Rear Tire Size (Turf) | 13.6-16 |
Hydraulics 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) |
Kubota B3150 Review
The Kubota B3150 is a reliable sub-compact tractor celebrated for its durability, versatility, and user-friendly design. It’s equipped with a potent 22.8 horsepower (17 kW) diesel engine and features a hydrostatic transmission (HST) for effortless operation.
With a remarkable lift capacity of 970 kilograms (2,140 pounds), the B3150 can be fitted with various attachments, including front-end loaders, backhoes, mowers, and tillers, enhancing its adaptability for different tasks.
For a full review, please check this YouTube video.
Kubota B3150 Attachments
| Attachment overview | |
| 54″ mid-mount mower deck | |
| 60″ mid-mount mower deck | |
| Front-end loader |
54″ Mower deck |
|
| Type | mid-mount Kubota |
| 3-blade | |
| Cutting width | 54 inches 137 cm |
| Weight | 328 lbs 148 kg |
| Cut height | 1.5 to 4 inch 3 to 10 cm |
60″ Mower deck |
|
| Type | mid-mount Kubota |
| 3-blade | |
| Cutting width | 60 inches 152 cm |
| Weight | 353 lbs 160 kg |
| Cut height | 1.5 to 4 inch 3 to 10 cm |
60″ Mower deck |
|
| Type | mid-mount Kubota |
| 3-blade | |
| Cutting width | 60 inches 152 cm |
| Weight | 348 lbs 157 kg |
| Cut height | 1.5 to 4 inch 3 to 10 cm |
Kubota LA534EC Loader |
|
| Height (to pin) | 84.7 inches 215 cm |
| Clearance, dumped bucket | 67.4 inches 171 cm |
| Dump angle | 36° |
| Rollback angle | 29° |
| Lift to full height (at pin) | 1146 lbs 519 kg |
Kubota B3150 Problems
Engine Troubleshooting
The engine won’t start or is hard to start
- Fuel filter clogging – Replace the filter element
- Open the fuel supply valve to inject fuel if the fuel supply valve is closed.
- Bleed gasoline pipes if there is air in them.
- Broken fuel injectors Replace fuel injectors if needed.
- The fuel injection pump isn’t doing its job right – Put in a new fuel pump or fix the old one.
- Low compression? Check for broken parts and replace them.
The engine shuts off unexpectedly during the operation
- Not warming up: Get the engine warmed up.
- The fuel system has water, dirt, or air in it – A system to drain, flush, fill, and bleed
- Improper fuel injection – Need fuel injection settings
- The fuel filter is clogged. Clean the filter or replace it.
- If the fuel injectors are clogged or broken; clean or replace them.
Diesel starts but suddenly stops
- Incorrectly set fuel injection pump timing—Check and make the necessary changes
- The fuel filter is clogged; clean or replace it.
- If the injector nozzles are clogged or broken, service or replace them.
- Fix or replace the fuel injection pump.
- The air cleaner is dirty. Fix it or get a new one.
Electrical System Troubleshooting
The battery won’t charge
- The wire harness for the battery was broken. – Check the wires to see if they need to be fixed, changed, or replaced.
- Terminals and cables that are loose or rusty – Clean or tighten the wires and connectors
- Mistakenly set belt tension or worn belt—change the belt or set belt tension correctly.
Starter turns slowly
- Not enough power – Put the battery on charge
- The battery is going down fast. – Fix the battery charging system or put in a new battery
- The wire harness for the battery is broken – Check the wires for damage, changes, or repairs
- The terminals and cables of the battery are loose or corroded. Clean or tighten the cables and terminals.
The starter doesn’t crank
- Not enough power – The battery is empty, charge it.
- a battery that is dead or broken – Charge or replace the batteries
- The starter motor is broken. Fix it or put in a new one.
- The cables harness isn’t connected right or isn’t there at all. Check the cables harness and connect it right.
Hydrostatic Transmission Troubleshooting
HST transmission noises
- Insufficient transmission the fluid level is too low, or the fluid is polluted; either raise the fluid level or pour in clean fluid.
- The speed control rod linkage is worn or not set up correctly. Replace the rod linkage or set it up correctly.
- Replacement of the relief valve
- Transmission is too full—Lessen the load on the transmission.
- Parts of the transmission that are broken or worn out: Change or fix broken parts
Hot transmission oil
- Low level of transmission oil: Fill the transmission housing to the right level of oil
- Transmission oil filter element is clogged. Replace or fix the transmission oil filter.
- Cooling parts that are plugged or broken: Check all cooling parts and fix or replace as needed.
- Transmission is under too much load. Lighten the load.
Low power
- Oil level is low: Add more oil to the transmission
- Test charge pressure is lower than low charge pressure.
- Replace the relief valve if necessary because it is worn out or broken.
Hydraulics Troubleshooting
Hydraulic system overheating
- The pressure in the hydraulic system is not set right. Set the pressure as needed.
- Main relief valve misaligned or faulty – Adjust or replace relief valve
- The oil needs to be changed because it is dirty.
- Air gets into the hydraulic system. Check the seals, suction pipe, and fittings on the pump.
Hydraulic fluid pressure is low
- Not enough hydraulic oil – Add oil to the hydraulic system
- Hydraulic fluid filter element is dirty; replace or clean, as needed.
- What’s wrong with the hydraulic pump? Check the flow of the pump and put in a new one if needed.
- The hydraulic control valve block is broken or not set up right. Change or set things right
- Faulty hydraulic cylinder: Check for wear or damage to the cylinder’s parts and replace if necessary.
- Pipes that carry fluids are leaking – Find the holes in the system and fix it.
Hitch jerks when lower or lift
- If there are air leaks in the hydraulic system, check the pump seals, suction line, and connections.
- Hydraulic oil contamination – Replace hydraulic oil
- Hydraulic pump failure – Check the flow rate of the hydraulic pump and replace it if needed.
- Faulty or wrongly set hydraulic control valve – Replace or set correctly
- Bad hydraulic cylinder: Check the parts of the cylinder for wear or damage and replace if necessary.
Conclusion
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