Kubota L3901-HST

Last Updated: June 2024

Overview

The Kubota L3901-HST is a utility tractor that's designed for a variety of tasks around the farm, homestead, or commercial site. It features a Kubota D1803-CR-E4 engine which is a three-cylinder, vertical-oriented, water-cooled diesel with direct injection. This engine produces a gross power of 37.5 horsepower, with a net power of 36.3 HP and PTO power of 30.6 HP. It operates at a rated speed of 2700 rpm and includes direct injection for efficient fuel delivery. The L3901-HST is equipped with a hydrostatic transmission with three forward and three reverse gears, allowing for smooth shifting and control. The integral type power steering enhances maneuverability, particularly in tight spaces, with a turning radius of 8.3 feet. The tractor's braking system comprises mechanical, wet disc brakes that provide reliable stopping power. The tractor's Category 1 three-point hitch and its lift capacity of 1433.1 lbs make it capable of handling a range of implements. Despite its specifications being primarily utility-focused, the exact dimensions of the tractor's tires and rims are not specified in the data provided.
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Key Specifications

Category: Utility

Power Output: 37.5

Transmission: Hydrostatic transmission

Operating Weight: 2777.9

Fuel Type: Diesel

Lift Capacity: 1433.1

Kubota L3901-HST vs. Similar Tractors

Power Output
Average
Greater than 34% of similar tractors.
Hitch Capacity
Below Average
Greater than 27% of similar tractors.
Operating Weight
Below Average
Greater than 23% of similar tractors.

Technical Specifications

Engine

Manufacturer
Kubota
Model
D1803-CR-E4
Cooling Type
Water-Cooled
Cylinder Orientation
Vertical
Valve Configuration
OHV (inferred from "Direct injection, Vertical, Water-Cooled 4 cycle diesel")
Fuel Type
Diesel
Induction Type
Direct Injection
Cylinders
3
Displacement (ci)
111.4
Bore (in)
3.5
Stroke (in)
4.1
Rated RPM
2700
Power Output (hp)
37.5

Transmission

Type
Hydrostatic transmission
Forward Gears
3
Reverse Gears
3
Total Gears
-

Dimensions

Length (in)
107.9
Width (in)
55.2
Height (in)
(4.9 ft converted to inches) 58.8
Operating Weight (lb)
2777.9

Power Take-Off (PTO)

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

Miscellaneous

Chassis
-
Drive Type
-
Steering Type
Integral type power steering
Coolant Capacity (qts)
6.4 (converted from 1.6 gal)
Front Tire Diameter (in)
Unknown (7.2 indicates width, not diameter)
Front Tire Width (in)
7.2
Rear Tire Diameter (in)
Unknown (11.2 indicates width, not diameter)
Rear Tire Width (in)
11.2
Front/Rear Rim Diameter (in)
-
Tire Type
-
Manufacture - End Year
-
Hitch Type
Category 1
Hitch Category
Category 3 (this seems to be an error; the spec provided was Category 1)
Hitch Position
Rear
Hitch Capacity (lb)
1433.1
Operator Station Type
-
Starter Type
-
Brake Type
Mechanical, wet disc type
Hydraulic System Type
-