Kubota B1902
The Kubota B1902 is a tractor produced by Kubota. It is equipped with a 68 ci 1.1 L engine. The listed engine power is Diesel (listed): 18.7 hp / 13.9 kW. Transmission: 12 forward and 4 reverse. Operating weight: 1587 to 1664 pounds.
Engine Power
Diesel (listed): 18.7 hp / 13.9 kW
Fuel & Capacities
Diesel
Transmission
12 forward and 4 reverse
Operating Weight
1587 to 1664 pounds
Overview
 | 1981 - 1986
B02 SeriesSub-Compact Utility tractor
B02 Series
Sub-Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Sub-Compact Utility tractor | |
Built in Japan | |
Variants | |
|---|---|
B1902E | 2WD |
B1902DT | 4WD |
ZB1902 | Zennoh CO-OP version |
Kubota B1902 Engine | |
|---|---|
Kubota 1.1L 3-cyl diesel | |
Engine details ...  |
Kubota B1902 Transmission | |
|---|---|
12-speed unsynchronized gear | |
Transmission details ...  |
Kubota B1902 Power | |
|---|---|
Engine | 18.7 hp
13.9 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Manual steering | |
Wet disc brakes | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 57.3 inches
145 cm |
Weight | 1587 to 1664 pounds |
Front tire | 4.00-12 |
2WD Rear tire | 8.3-22 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Parts Manual B1702 - B1902 (07909-18130) published in 1981 |
Engine
Engine Detail — 68 ci / 1.1 L Diesel
Manufacturer | Kubota DM1102 |
Fuel Type | Diesel |
Configuration | 3-cylinder 6-valve, liquid-cooled inline |
Displacement | 68 ci
1.1 L |
Bore/Stroke | 2.99x3.23 inches
76 x 82 mm |
Power | 18.7 hp
13.9 kW |
Rated RPM | 2600 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 12 forward and 4 reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 12 forward and 4 reverse |
Dimensions
Kubota B1902 Tires | |
|---|---|
2WD Standard tires (ag) | Front: 4.00-12. Rear: 8.3-22 |
4WD Standard tires (ag) | Front: 6-12. Rear: 8.3-22 |
Dimensions | |
|---|---|
Wheelbase | 57.3 inches
145 cm |
Length | 95.5 inches
242 cm |
Width | 42.3 inches
107 cm |
Height | 74.8 inches
189 cm |
2WD Weight | 1587 lbs
719 kg |
4WD Weight | 1664 lbs
754 kg |
2WD Ground clearance | 12 inches
30 cm |
4WD Ground clearance | 9.5 inches
24 cm |
2WD Front tread | 31.3 inches
79 cm |
4WD Front tread | 34.3 inches
87 cm |
Rear tread | 35.8/40.6 inches
90/103 cm |
Photos
Kubota B1902 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota B1902 based on its 18.7 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Kubota B1902.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Kubota B1902 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota B1902.
Converted Equivalents:
Horsepower (HP)18.7 hp
Kilowatts (kW)13.9 kW
Metric Horsepower (PS / CV)19 PS
Direct Competitor Comparison
Compare Kubota B1902 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota B1902
Engine Power:Diesel (listed): 18.7 hp / 13.9 kW
★ Baseline Reference
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