Kubota B1181
The Kubota B1181 is a tractor produced by Kubota. It is equipped with a 47.5 ci 0.8 L engine. The listed engine power is Diesel (net): 17.4 hp / 13.0 kW. Transmission: 6 forward and 2 reverse. Operating weight: 1411 lbs 640 kg.
Engine Power
Diesel (net): 17.4 hp / 13.0 kW
Fuel & Capacities
3.7 gal
14.0 L
Transmission
6 forward and 2 reverse
Operating Weight
1411 lbs
640 kg
Overview
 | 2018 -
B1 SeriesSub-Compact Utility tractor |
|---|---|
2018 - | |
B1 Series | |
Sub-Compact Utility tractor | |
Production | |
|---|---|
Manufacturer | Kubota |
Sub-Compact Utility tractor | |
Kubota B1181 Engine | |
|---|---|
Kubota 0.8L 3-cyl diesel | |
Fuel tank | 3.7 gal
14.0 L |
Engine details ...  | |
Kubota B1181 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Kubota B1181 Power | |
|---|---|
Engine (net) | 17.4 hp
13.0 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Differential lock | mechanical rear |
Power steering | |
Wet disc brakes | |
Two-post folding ROPS. | |
Hydraulics | |
|---|---|
Pump flow | 3.8 gpm
14.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift (at ends) | 1191 lbs
540 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 (1.375) |
Mid PTO | optional |
Mid PTO Type | 2500 (Kubota 10-tooth #5) |
Dimensions & Tires | |
|---|---|
Wheelbase | 50 inches
127 cm |
Weight | 1411 lbs
640 kg |
Front tire | 5-12 |
Rear tire | 8-16 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Battery volts | 12 |
Engine
Engine Detail — 47.5 ci / 0.8 L Diesel
Manufacturer | Kubota D782 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 47.5 ci
0.8 L |
Bore/Stroke | 2.64x2.90 inches
67 x 74 mm |
Rated Power (net) | 17.4 hp
13.0 kW |
Air cleaner | dry element |
Rated RPM | 3000 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Dimensions
Kubota B1181 Tires | |
|---|---|
Standard tires (ag) | Front: 5-12. Rear: 8-16 |
Dimensions | |
|---|---|
Wheelbase | 50 inches
127 cm |
Length | 92.9 inches
235 cm |
Width | 36.9 inches
93 cm |
Height (ROPS) | 87.3 inches
221 cm |
Weight | 1411 lbs
640 kg |
Ground clearance | 9.5 inches
24 cm |
Front tread | 30.2 to 34.1 inches
76 to 86 cm |
Rear tread | 29.9 to 39.6 inches
75 to 100 cm |
Photos
Kubota B1181 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota B1181 based on its 17.4 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 B1181.
Estimated Continuous Field Runtime: 4.1 hrs
Approximately 4.1 hours of continuous field operation at ~75% rated power on a full tank (3.7 gal / 14 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.4 L/hr)
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 B1181 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota B1181.
Converted Equivalents:
Horsepower (HP)17.4 hp
Kilowatts (kW)13 kW
Metric Horsepower (PS / CV)17.6 PS
Direct Competitor Comparison
Compare Kubota B1181 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota B1181
Engine Power:Diesel (net): 17.4 hp / 13.0 kW
★ Baseline Reference
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