Mitsubishi GX40
The Mitsubishi GX40 is a utility tractor built for versatility and power. It features a 4x4 MFWD chassis with power steering, making it easy to handle in various farm conditions. The tractor has a 16-forward and 16-reverse gear transmission, giving operators plenty of options for different tasks. Under the hood, the GX40 boasts a Mitsubishi K4N diesel engine. This 4-cylinder, liquid-cooled engine has a displacement of 139.7 ci, which is below average for its class. However, it delivers a solid 40 hp at 2600 rpm, which is an above-average rated speed. The tractor's operating weight of 3979 lb is about average, providing a good balance of stability and maneuverability. It comes equipped with agricultural tires and a Category I hitch at the rear, suitable for attaching various implements. The GX40's compact size, measuring 134.25 inches long, 61.2 inches wide, and 93.5 inches tall, makes it ideal for working in tight spaces while still offering ample power for utility tasks.

Quick specs
- Category
- Utility
- Engine Power Output
- 40hp
- Operating Weight
- 3,979 lb
At a glance
How the GX40 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The GX40 ranks at the 33rd percentile for engine power among recorded utility tractors.
Overview
About the Mitsubishi GX40
The Mitsubishi GX40 is a utility tractor built for versatility and power. It features a 4x4 MFWD chassis with power steering, making it easy to handle in various farm conditions. The tractor has a 16-forward and 16-reverse gear transmission, giving operators plenty of options for different tasks. Under the hood, the GX40 boasts a Mitsubishi K4N diesel engine. This 4-cylinder, liquid-cooled engine has a displacement of 139.7 ci, which is below average for its class. However, it delivers a solid 40 hp at 2600 rpm, which is an above-average rated speed. The tractor's operating weight of 3979 lb is about average, providing a good balance of stability and maneuverability. It comes equipped with agricultural tires and a Category I hitch at the rear, suitable for attaching various implements. The GX40's compact size, measuring 134.25 inches long, 61.2 inches wide, and 93.5 inches tall, makes it ideal for working in tight spaces while still offering ample power for utility tasks.
Full specifications
Every recorded spec
General
| Manufacturer | Mitsubishi |
|---|---|
| Model | GX40 |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 3,979lb |
Engine
| Make | Mitsubishi |
|---|---|
| Model | K4N |
| Power | 40hp |
| Cylinders | 4 |
| Displacement | 139.7ci |
| Bore | 3.54in |
| Stroke | 3.54in |
Transmission
| Forward gears | 16 |
|---|---|
| Reverse gears | 16 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
Dimensions
| Length | 134.25in |
|---|---|
| Width | 61.2in |
| Height | 93.5in |
| Operating weight | 3,979lb |
Head to head
GX40 vs. Utility median
How the Mitsubishi GX40 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 40 hp | 55 hp | -27% | 33rd |
| Engine Displacement | 140 ci | 183 ci | -24% | 36th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 16 | 12 | +33% | 73rd |
| Operating Weight | 3,979 lb | 5,303 lb | -25% | 36th |
| Length | 134 in | 137 in | -2% | 47th |
| Width | 61.2 in | 66 in | -7% | 39th |
| Height | 93.5 in | 94.1 in | -1% | 49th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared Mitsubishi tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Mitsubishi D4000 | 40 hp | — | — | Compare → |
| Mitsubishi GX401 | 40 hp | 3,726 lb | — | Compare → |
| Mitsubishi MT408 | 40 hp | 3,902 lb | — | Compare → |
| Mitsubishi GA41 | 41.1 hp | — | — | Compare → |
| Mitsubishi D3250 | 37 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | 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 → |
| Allis Chalmers 6140 | 40 hp | 4,000 lb | 1982–1985 | Compare → |
| Allis Chalmers D15 Series I | 40 hp | 3,990 lb | 1960–1963 | Compare → |
Explore
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Gallery
Mitsubishi GX40 photos



FAQ
Common questions
What is the engine power output of the Mitsubishi GX40?
Rated engine output for the Mitsubishi GX40 is 40 hp, delivered by a 4-cylinder engine. The engine displaces 139.7 ci.
What hitch category is the Mitsubishi GX40?
The Mitsubishi GX40 uses a Category Category 3 hitch.
What is the operating weight of the Mitsubishi GX40?
In working trim, the Mitsubishi GX40 comes in at roughly 3,979 lb.
How do I maintain a Mitsubishi GX40?
Routine service for the Mitsubishi GX40 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.






