Kubota STW40

Last Updated: June 2024

Overview

The Kubota STW40 is a compact utility tractor, designed to meet a variety of demands in the small farm, large garden, and property maintenance markets. It features a highly efficient 1.8-liter, 3-cylinder Kubota engine model D1803, with a liquid-cooled diesel powerplant that offers two different rated horsepower values depending on the emission standard documenting the measurement. The tractor has a 4-wheel drive chassis with power steering for maneuverability and ease of use. The hydrostatic transmission provides a smooth, variable power delivery with infinite speeds to adjust to different tasks. Equipped with a sturdy ROPS or an optional cab for operator protection, the tractor's size remains relatively compact, ensuring it can navigate tighter spaces with a width of just 46.7 inches and a length of 115.8 inches. At 92.5 inches tall with ROPS and 2700 rated RPM, its applications range anywhere from mowing to loader work, with turf or agricultural tire options available.
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Key Specifications

Category: Utility

Power Output: Highest of 38.5 hp (ECE R24), 36.6 hp (EC 97/98)

Transmission: Hydrostatic

Drive Type: 4WD

Operating Weight: 2436 with ROPS, 2756 with cab

Fuel Type: Diesel

Kubota STW40 vs. Similar Tractors

Operating Weight
Below Average
Greater than 19% of similar tractors.

Technical Specifications

Engine

Manufacturer
Kubota
Model
D1803
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
-
Cylinders
3
Displacement (ci)
111.4
Bore (in)
3.4
Stroke (in)
4
Rated RPM
2700
Power Output (hp)
Highest of 38.5 hp (ECE R24), 36.6 hp (EC 97/98)

Transmission

Type
Hydrostatic
Forward Gears
Infinite (3-range)
Reverse Gears
Infinite (3-range)
Total Gears
-

Dimensions

Length (in)
115.8
Width (in)
46.7
Height (in)
92.5 with ROPS
Operating Weight (lb)
2436 with ROPS, 2756 with cab

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
Unknown for Ag tires, 24 for lawn/turf
Front Tire Width (in)
Unknown for Ag tires, 8.5 for lawn/turf
Rear Tire Diameter (in)
Unknown for Ag tires, 13.6 for lawn/turf
Rear Tire Width (in)
Unknown for Ag tires, 16 for lawn/turf
Front/Rear Rim Diameter (in)
-
Tire Type
Agricultural standard, lawn/turf optional
Manufacture - End Year
-
Hitch Type
-
Hitch Category
-
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
ROPS or cab
Starter Type
Electric
Brake Type
-
Hydraulic System Type
-