Kubota GL338
The Kubota GL338 is a tractor produced by Kubota. It is equipped with a 100.5 ci 1.6 L engine. The listed engine power is Diesel (listed): 32.6 hp / 24.3 kW. Transmission: 16 forward and reverse. Operating weight: 2822 to 3230 pounds.
Engine Power
Diesel (listed): 32.6 hp / 24.3 kW
Fuel & Capacities
9.25 gal
35.0 L
Transmission
16 forward and reverse
Operating Weight
2822 to 3230 pounds
Overview
 | 1993 - 1995
GL SeriesCompact Utility tractor
GL Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Compact Utility tractor | |
Variants | |
|---|---|
GL338 | ROPS |
GL338Q | cab |
Kubota GL338 Engine | |
|---|---|
Kubota 1.6L 3-cyl diesel | |
Fuel tank | 9.25 gal
35.0 L |
Engine details ...  | |
Kubota GL338 Transmission | |
|---|---|
16-speed power shift | |
Transmission details ...  |
Kubota GL338 Power | |
|---|---|
Engine | 32.6 hp
24.3 kW |
PTO (claimed) | 27.9 hp
20.8 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 | I |
Rear lift | 1995 lbs
904 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 565/800/980/1298 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 68.9 inches
175 cm |
Weight | 2822 to 3230 pounds |
Front tire | 8-16 |
Rear tire | 13.6-24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 100.5 ci / 1.6 L Diesel
Manufacturer | Kubota D1703 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 100.5 ci
1.6 L |
Bore/Stroke | 3.4x3.6 inches
86 x 91 mm |
Power | 32.6 hp
24.3 kW |
Rated RPM | 2700 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 16 forward and reverse power shift
Type | power shift |
Gears | 16 forward and reverse |
 | |
Dimensions
Kubota GL338 Tires | |
|---|---|
Standard tires (ag) | Front: 8-16. Rear: 13.6-24 |
Dimensions | |
|---|---|
Wheelbase | 68.9 inches
175 cm |
Length | 125.2 inches
318 cm |
Width | 57.3 inches
145 cm |
Height (ROPS) | 78 inches
198 cm |
Height (cab) | 88.4 inches
224 cm |
ROPS Weight | 2822 lbs
1280 kg |
Cab Weight | 3230 lbs
1465 kg |
Ground clearance | 14.2 inches
36 cm |
Front tread | 44.5 inches
113 cm |
Rear tread | 43.7 to 62 inches
110 to 157 cm |
Photos
Kubota GL338 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota GL338 based on its 32.6 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
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 GL338.
Estimated Continuous Field Runtime: 5.5 hrs
Approximately 5.5 hours of continuous field operation at ~75% rated power on a full tank (9.3 gal / 35 L).
Estimated 75% Load Fuel Burn~1.7 gal/hr (6.4 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 GL338 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota GL338.
Converted Equivalents:
Horsepower (HP)32.6 hp
Kilowatts (kW)24.3 kW
Metric Horsepower (PS / CV)33.1 PS
Direct Competitor Comparison
Compare Kubota GL338 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota GL338
Engine Power:Diesel (listed): 32.6 hp / 24.3 kW
★ Baseline Reference
Minneapolis-MolineMarket Competitor
Minneapolis-Moline ZTU
Engine Power:29.4
Production Years:1936 - 1948
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