Kubota B1902 tractor

Kubota B1902

Power

18 hp

Production

1981-1986

Engine

Diesel, 3-cylinder 6-valve

Transmission

Unsynchronized gear

Weight

1587 lbs [719 kg]

Drive

2WD/4WD

From the same series:

B1702

Introduction

Kubota B1902 Sub-Compact Utility Tractor

The Kubota B1902 is a sub-compact utility tractor manufactured in Japan between 1981 and 1986. Designed for small-scale agricultural tasks and property maintenance, it represents a period of development in compact machinery focused on durability and mechanical simplicity.

Engine and Power

The tractor is powered by the Kubota DM1102, a 1.1-liter, 3-cylinder liquid-cooled diesel engine. It features a 6-valve configuration and produces 18.7 hp (13.9 kW) at a rated speed of 2600 RPM. The engine is started via a 12-volt electric starter system.

Transmission and Drive

The B1902 utilizes an unsynchronized gear transmission offering 12 forward and 4 reverse speeds, providing a wide range of gear ratios for different field operations. It was available in both two-wheel drive and four-wheel drive configurations, allowing operators to select the traction level appropriate for the terrain.

Mechanical and Hydraulic Systems

The tractor is equipped with manual steering and wet disc brakes, which are integrated into the transmission housing for consistent performance. It features a rear power take-off (PTO) with a standard 1.375-inch shaft operating at 540 RPM, facilitating the connection of various implements.

Dimensions and Weight

With a wheelbase of 145 cm and a total length of 242 cm, the B1902 is designed for maneuverability in tight spaces. The 2WD model weighs 719 kg, while the 4WD version weighs 754 kg. Ground clearance varies between 30 cm for the 2WD model and 24 cm for the 4WD model, depending on the drivetrain configuration.

Conclusion

The Kubota B1902 is a robust, entry-level utility tractor suitable for smallholdings and landscaping work. Its mechanical design, characterized by a manual transmission and manual steering, makes it a reliable choice for users prioritizing ease of maintenance and straightforward operation in a compact form factor.

Kubota B1902 Manuals & Documentation

Download the manuals and documentation available for the Kubota B1902: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.

Archive documentation provided for reference, hosted by Tractor-Info.

Production Information of Kubota, B1902

  • Sub-Compact Utility tractor
  • Built in Japan
ManufacturerKubota

Dimension and Tires Information of Kubota, B1902

Rear tread35.8/40.6 inches [90/103 cm]
Wheelbase57.3 inches [145 cm]
2WD Weight1587 lbs [719 kg]
Height74.8 inches [189 cm]
Length95.5 inches [242 cm]
4WD Ground clearance9.5 inches [24 cm]
4WD Weight1664 lbs [754 kg]
Width42.3 inches [107 cm]
4WD Front tread34.3 inches [87 cm]
2WD Front tread31.3 inches [79 cm]
2WD Ground clearance12 inches [30 cm]
2WD Standard tires (ag)Front: 4.00-12. Rear: 8.3-22
4WD Standard tires (ag)Front: 6-12. Rear: 8.3-22

Engine Specifications of Kubota, B1902

  • Kubota DM1102
  • Liquid-cooled inline
  • Diesel
  • 3-cylinder 6-valve
Power18.7 hp [13.9 kW]
Displacement68 ci [1.1 L]
Rated RPM2600
Bore/Stroke2.99x3.23 inches [76 x 82 mm]
Starter volts12
StarterElectric

Transmission Information of Kubota, B1902

Transmission variants 1

TypeUnsynchronized gear
Gears12 forward and 4 reverse

Mechanical Specs of Kubota, B1902

  • Two- or four-wheel drive
  • Open operator station.
  • Manual steering
  • Wet disc brakes

Power Information of Kubota, B1902

Rear PTO Type540 (1.375)

Electrical System of Kubota, B1902

GroundNegative
Battery volts12

Where it sits

With 18 HP, the Kubota B1902 sits just above B1702 (16 HP) in Kubota's range. Its power puts it in the 9th percentile of 1980s models in our database (2052 machines).

Frequently asked questions

How much horsepower does the Kubota B1902 have?

The Kubota B1902 delivers 18 HP.

What years was the Kubota B1902 produced?

The Kubota B1902 was produced in 1981-1986.

What engine does the Kubota B1902 have?

The Kubota B1902 is powered by a Diesel, 3-cylinder 6-valve engine.

What transmission does the Kubota B1902 use?

The Kubota B1902 uses a Unsynchronized gear transmission.

How much does the Kubota B1902 weigh?

The Kubota B1902 weighs 1587 lbs [719 kg].

Is the Kubota B1902 4WD?

The Kubota B1902 is available in 2WD/4WD.

Compare the Kubota B1902 with another model