The Kubota B3150 belongs to the trusted B50 Series, combining advanced Japanese engineering with modern operator comfort. Manufactured since 2014, this compact utility tractor is widely used for farming, landscaping, and light construction. It offers impressive performance with hydrostatic transmission, 4WD, and an optional air-conditioned cab, making it ideal for both fieldwork and all-weather operations.
| Model | Kubota B3150 |
|---|---|
| Series | B50 Series |
| Production Years | 2014 – Present |
| Manufacturer | Kubota Corporation (Japan) |
| Type | Compact Utility Tractor |
| Engine Power (Gross) | 30.6 HP (22.8 kW) |
| PTO Power (Claimed) | 23.3 HP (17.4 kW) |
| Drive Type | 4WD |
| Cab Option | ROPS or A/C Cab |
Built for versatility, the B3150 is perfect for small farms and large properties alike, combining Kubota’s durability, fuel efficiency, and ease of operation in one compact package.
Engine
Powering the Kubota B3150 is the Kubota D1503-M-DI, a 1.5-liter 4-cylinder diesel engine known for its reliability and fuel economy. This engine ensures steady power delivery with minimal vibration and excellent torque, even under tough conditions.
| Engine Model | Kubota D1503-M-DI |
|---|---|
| Type | 4-cylinder, liquid-cooled diesel |
| Displacement | 1.5 L (1498 cc) |
| Gross Power | 30.6 HP (22.8 kW) |
| Net Power | 28 HP (20.9 kW) |
| PTO Power | 23.3 HP (17.4 kW) |
| Fuel Capacity | 7.1 gal (26.9 L) |
This efficient diesel engine meets modern emission standards, making it environmentally friendly while providing consistent power for plowing, mowing, and hauling.
Transmission
The hydrostatic transmission (HST) of the Kubota B3150 allows seamless speed and direction changes with just a pedal press. This makes it ideal for loader work, mowing, and tight-space maneuvering.
| Transmission Type | Hydrostatic (HST) |
|---|---|
| Drive | Four-Wheel Drive |
| Differential Lock | Mechanical Rear |
| Brakes | Wet Disc |
| Steering | Power Steering |
Operators appreciate the simplicity and comfort of this transmission, which eliminates clutch shifting and provides precise control over speed and direction.
Hydraulics and Performance
With a powerful open-center hydraulic system, the B3150 easily handles a wide range of implements, from loaders to mowers. Its high pressure and flow ensure responsive lifting and attachment operation.
| Hydraulic Pressure | 2347 psi (161.8 bar) |
|---|---|
| Total Flow | 8.7 gpm (32.9 L/min) |
| Rear Type | Category I |
| Lift Control | Position Control |
| Rear Lift Capacity (at ends) | 2138 lbs (969 kg) |
This makes the B3150 a reliable workhorse for farmers, estate owners, and maintenance contractors who need steady hydraulic performance.
Power Take-Off (PTO)
The independent rear PTO allows implement use without stopping the tractor, while the optional mid PTO supports attachments like mid-mount mower decks and snow blowers.
| Rear PTO Type | Independent |
|---|---|
| Rear PTO Speed | 540 RPM |
| Mid PTO Speed (Optional) | 2500 RPM |
| Clutch Type | Wet Disc |
The B3150’s PTO setup ensures smooth power delivery and flexibility for year-round agricultural and landscaping tasks.
Dimensions & Tires
Compact yet powerful, the Kubota B3150 offers excellent stability and agility. Its small turning radius and balanced weight distribution make it highly maneuverable on farms or confined areas.
| Wheelbase | 65.6 inches (166 cm) |
|---|---|
| Weight | 1863 – 2348 lbs (845 – 1065 kg) |
| Front Tire | 180/85D12 |
| Rear Tire | 12.4-16 |
This configuration ensures excellent traction and operator confidence on various terrains, from muddy paddies to gravel paths.
Cab & Comfort
Operator comfort is at the heart of the Kubota B3150’s design.
The optional air-conditioned cab provides year-round usability, while the standard foldable ROPS ensures safety and flexibility for low-clearance storage.
Key Features:
-
Spacious platform with ergonomic control layout
-
Smooth hydrostatic pedals
-
Deluxe adjustable seat
-
Clear visibility and low vibration
-
Optional A/C cab for all-weather work
With these features, the B3150 offers a comfortable, fatigue-free experience, even during long working hours.
Attachments
Kubota designed the B3150 for versatility, supporting a wide range of genuine attachments for different farming, landscaping, and municipal tasks.
| Attachment | Function |
|---|---|
| Front-End Loader (LA534) | Material handling and loading |
| Mid-Mount Mower Deck (137 cm / 152 cm) | Precision mowing |
| Front Blade or Snow Blower | Snow clearing |
| Backhoe (BH77) | Digging and trenching |
Quick-attach compatibility ensures tools can be changed efficiently, increasing productivity in every season.
Why Choose the Kubota B3150
The Kubota B3150 represents the next generation of compact tractors—built for power, precision, and comfort.
It’s a machine that combines Japanese reliability with modern operator convenience.
✅ Efficient 1.5L diesel engine
✅ Smooth hydrostatic transmission
✅ 4WD traction for all terrains
✅ Strong hydraulics and PTO system
✅ Comfort-focused design with optional cab
Whether you’re maintaining a farm, greenhouse, or landscape, the B3150 delivers long-term performance with low operating costs.
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