Kubota L3940HST
The Kubota L3940HST is a utility tractor that packs a punch in a compact package. It's powered by a Kubota E-TVCS engine with four cylinders and 40.5 horsepower. This engine is naturally aspirated and has an average displacement of 122 cubic inches. The tractor runs at a very high 2700 RPM, making it responsive and efficient for various tasks. This tractor features an HST Plus transmission with three forward and three reverse gears, offering smooth operation. It measures 122.4 inches long, 67.2 inches wide, and 98.4 inches tall, making it easy to maneuver in tight spaces. The L3940HST has an average operating weight of 3626.7 pounds. It comes with a Category I three-point hitch that can lift up to 2755.8 pounds, which is above average for its class. Some extra features include a 13.3-gallon fuel tank, a tight 8.9-foot turning radius, and a top speed of 16.1 mph, making it versatile for various farm tasks.

Quick specs
- Category
- Utility
- Engine Power Output
- 41hp
- Operating Weight
- 3,626.7 lb
- Transmission
- HST Plus
At a glance
How the L3940HST compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The L3940HST ranks at the 35th percentile for engine power among recorded utility tractors.
Overview
About the Kubota L3940HST
The Kubota L3940HST is a utility tractor that packs a punch in a compact package. It's powered by a Kubota E-TVCS engine with four cylinders and 40.5 horsepower. This engine is naturally aspirated and has an average displacement of 122 cubic inches. The tractor runs at a very high 2700 RPM, making it responsive and efficient for various tasks. This tractor features an HST Plus transmission with three forward and three reverse gears, offering smooth operation. It measures 122.4 inches long, 67.2 inches wide, and 98.4 inches tall, making it easy to maneuver in tight spaces. The L3940HST has an average operating weight of 3626.7 pounds. It comes with a Category I three-point hitch that can lift up to 2755.8 pounds, which is above average for its class. Some extra features include a 13.3-gallon fuel tank, a tight 8.9-foot turning radius, and a top speed of 16.1 mph, making it versatile for various farm tasks.
Full specifications
Every recorded spec
General
| Manufacturer | Kubota |
|---|---|
| Model | L3940HST |
| Category | Utility tractor |
| Operating weight | 3,626.7lb |
Engine
| Make | Kubota |
|---|---|
| Model | E-TVCS |
| Power | 40.5hp |
| Cylinders | 4 |
| Displacement | 122ci |
Transmission
| Type | HST Plus |
|---|---|
| Forward gears | 3 |
| Reverse gears | 3 |
Dimensions
| Length | 122.4in |
|---|---|
| Width | 67.2in |
| Height | 98.4in |
| Operating weight | 3,626.7lb |
Head to head
L3940HST vs. Utility median
How the Kubota L3940HST compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 40.5 hp | 55 hp | -26% | 35th |
| Engine Displacement | 122 ci | 183 ci | -33% | 29th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 3 | 12 | -75% | 3rd |
| Operating Weight | 3,627 lb | 5,303 lb | -32% | 31st |
| Length | 122 in | 137 in | -10% | 31st |
| Width | 67.2 in | 66 in | +2% | 54th |
| Height | 98.4 in | 94.1 in | +5% | 62nd |
| 3-Point Hitch Capacity | 2,756 lb | 3,197 lb | -14% | 40th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 1,083–5,720 models).
Compare to tractors with similar specs
Commonly compared Kubota tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Kubota L3650 | 40.5 hp | 2,700 lb | 1990–1993 | Compare → |
| Kubota L3940DT | 40.5 hp | 3,483.4 lb | — | Compare → |
| Kubota L3940GST | 40.5 hp | 3,527.4 lb | — | Compare → |
| Kubota GL-40 | 40 hp | 3,527 lb | 1991–1995 | Compare → |
| Kubota GL-400 | 40 hp | 3,990 lb | 1995–1998 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO ST40 | 40.1 hp | 3,323 lb | — | Compare → |
| AGCO ST41A | 40.1 hp | 3,000 lb | — | Compare → |
| Advance-Rumely OilPull K 12/20 | 40 hp | 6,430 lb | — | Compare → |
| Allis Chalmers 160 | 40 hp | 4,674 lb | 1970–1975 | Compare → |
| Allis Chalmers 5040 | 40 hp | 3,858 lb | 1976–1980 | Compare → |
Explore
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Gallery
Kubota L3940HST photos



FAQ
Common questions
What is the engine power output of the Kubota L3940HST?
Rated engine output for the Kubota L3940HST is 40.5 hp, delivered by a 4-cylinder engine. The engine displaces 122 ci.
Which transmission does the Kubota L3940HST use?
The Kubota L3940HST is equipped with a HST Plus transmission with 3 forward gears.
What three-point hitch category does the Kubota L3940HST use?
The Kubota L3940HST has a Category I three-point hitch rated to lift 2,755.8 lb.
What is the operating weight of the Kubota L3940HST?
In working trim, the Kubota L3940HST comes in at roughly 3,626.7 lb.
How do I maintain a Kubota L3940HST?
Routine service for the Kubota L3940HST covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.




