Kubota GL281
The Kubota GL281 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): 28.6 hp / 21.3 kW. Transmission: U-Shift. Operating weight: 2679 to 3086 pounds.
Engine Power
Diesel (listed): 28.6 hp / 21.3 kW
Fuel & Capacities
7.1 gal
26.9 L
Transmission
U-Shift
Operating Weight
2679 to 3086 pounds
Overview
 | 1996 - 2001
GL SeriesCompact Utility tractor
GL Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Compact Utility tractor | |
Kubota GL281 Engine | |
|---|---|
Kubota 1.5L 3-cyl diesel | |
Fuel tank | 7.1 gal
26.9 L |
Engine details ...  | |
Kubota GL281 Power | |
|---|---|
Engine | 28.6 hp
21.3 kW |
PTO (claimed) | 27.6 hp
20.6 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Mechanical wet disc brakes | |
Two-post ROPS. Cab optional. |
Hydraulics | |
|---|---|
Pump flow | 5.9 gpm
22.3 lpm |
Tractor hitch | |
|---|---|
Rear Type | JIS1 |
Rear lift | 1918 lbs
870 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 545@2700 |
771@2700 | |
945@2700 | |
1252@2700 | |
-771@2700 | |
Dimensions & Tires | |
|---|---|
ROPS Wheelbase | 64.8 inches
164 cm |
Cab Wheelbase | 66.9 inches
169 cm |
Weight | 2679 to 3086 pounds |
Front tire | 8-16 |
Rear tire | 11.2-26 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
GL (T0270-1920-8) published in 1996 | |
Grandel 1 Plus published in 1994, by Kubota |
Engine
Engine Detail — 91.5 ci / 1.5 L Diesel
Manufacturer | Kubota D1503 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 91.5 ci
1.5 L |
Bore/Stroke | 3.268x3.638 inches
83 x 92 mm |
Power | 28.6 hp
21.3 kW |
Rated RPM | 2700 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
16-speed gear | |
16-speed power shift |
Transmission — 16 forward and reverse gear
Type | gear |
Gears | 16 forward and reverse |
Clutch | dry disc |
Four gears (1-4) in two ranges (low/high) with additional creeper range and shuttle shift. | |
 | |
Transmission — U-Shift
Transmission | U-Shift |
Type | power shift |
Gears | 16 forward and reverse |
Eight power-shift gears in two ranges with shuttle. | |
Dimensions
Kubota GL281 Tires | |
|---|---|
Standard tires (ag) | Front: 8-16. Rear: 11.2-26 |
Dimensions | |
|---|---|
ROPS Wheelbase | 64.8 inches
164 cm |
Cab Wheelbase | 66.9 inches
169 cm |
ROPS Length | 120.1 inches
305 cm |
Cab Length | 123.2 inches
312 cm |
Width | 55.1 inches
139 cm |
Height (ROPS) | 78.5 inches
199 cm |
Height (cab) | 78 inches
198 cm |
ROPS Weight | 2679 lbs
1215 kg |
Cab Weight | 3086 lbs
1399 kg |
Ground clearance | 14.2 inches
36 cm |
Front tread | 44.5 inches
113 cm |
Rear tread | 44.5 to 55.9 inches
113 to 141 cm |
Photos
Kubota GL281
Kubota GL281
Kubota GL281
Kubota GL281
Kubota GL281
Kubota GL281 cab interior.
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota GL281 based on its 28.6 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 GL281.
Estimated Continuous Field Runtime: 4.8 hrs
Approximately 4.8 hours of continuous field operation at ~75% rated power on a full tank (7.1 gal / 26.9 L).
Estimated 75% Load Fuel Burn~1.5 gal/hr (5.6 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 GL281 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota GL281.
Converted Equivalents:
Horsepower (HP)28.6 hp
Kilowatts (kW)21.3 kW
Metric Horsepower (PS / CV)29 PS
Direct Competitor Comparison
Compare Kubota GL281 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota GL281
Engine Power:Diesel (listed): 28.6 hp / 21.3 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester D-326
Engine Power:26
Production Years:1962 - 1965
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