Kubota L1-28
The Kubota L1-28 is a tractor produced by Kubota. It is equipped with a 91.5 ci 1.5 L engine. The listed engine power is Diesel (listed): 27.6 hp / 20.6 kW. Transmission: 16 forward and reverse. Operating weight: 2546 to 2624 pounds.
Engine Power
Diesel (listed): 27.6 hp / 20.6 kW
Fuel & Capacities
7.7 gal
29.1 L
Transmission
16 forward and reverse
Operating Weight
2546 to 2624 pounds
Overview
 | 1983 - 1985
L1 SeriesCompact Utility tractor
L1 Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Compact Utility tractor | |
Variants | |
|---|---|
L1-28DT | 4WD |
Kubota L1-28 Engine | |
|---|---|
Kubota 1.5L 4-cyl diesel | |
Fuel tank | 7.7 gal
29.1 L |
Engine details ...  | |
Kubota L1-28 Transmission | |
|---|---|
16-speed shuttle | |
Transmission details ...  |
Kubota L1-28 Power | |
|---|---|
Engine | 27.6 hp
20.6 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Wet disc brakes | |
Open operator station. |
Tractor hitch | |
|---|---|
Rear Type | I |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/770/940/1250 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 68.3 inches
173 cm |
Weight | 2546 to 2624 pounds |
Front tire | 5.00-15 |
2WD Rear tire | 13.6-24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Instruction Manual L1 (31351-1921-6) |
Engine
Engine Detail — 91.5 ci / 1.5 L Diesel
Manufacturer | Kubota V1512 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 91.5 ci
1.5 L |
Power | 27.6 hp
20.6 kW |
Rated RPM | 2700 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 16 forward and reverse shuttle
Type | shuttle |
Gears | 16 forward and reverse |
Clutch | dry disc |
Four gears in four ranges with shuttle shift. | |
 | |
Dimensions
Kubota L1-28 Tires | |
|---|---|
2WD Standard tires (ag) | Front: 5.00-15. Rear: 13.6-24 |
4WD Standard tires (ag) | Front: 7-16. Rear: 13.6-24 |
Dimensions | |
|---|---|
Wheelbase | 68.3 inches
173 cm |
Length | 124.4 inches
315 cm |
Width | 55.9 inches
141 cm |
Height | 77.8 inches
197 cm |
2WD Weight | 2546 lbs
1154 kg |
4WD Weight | 2624 lbs
1190 kg |
2WD Ground clearance | 14.4 inches
36 cm |
4WD Ground clearance | 12.4 inches
31 cm |
2WD Front tread | 41.3 to 57.1 inches
104 to 145 cm |
4WD Front tread | 41.3 inches
104 cm |
Rear tread | 42.5 to 61 inches
107 to 154 cm |
Photos
Kubota L1-28 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota L1-28 based on its 27.6 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 | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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 L1-28.
Estimated Continuous Field Runtime: 5.4 hrs
Approximately 5.4 hours of continuous field operation at ~75% rated power on a full tank (7.7 gal / 29.1 L).
Estimated 75% Load Fuel Burn~1.4 gal/hr (5.4 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 L1-28 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota L1-28.
Converted Equivalents:
Horsepower (HP)27.6 hp
Kilowatts (kW)20.6 kW
Metric Horsepower (PS / CV)28 PS
Direct Competitor Comparison
Compare Kubota L1-28 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota L1-28
Engine Power:Diesel (listed): 27.6 hp / 20.6 kW
★ Baseline Reference
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