Brand siblingBig Bud 440
The Big Bud 440 is a powerful utility tractor built for tough jobs. It has a strong 4-wheel drive system and can handle all kinds of farm work. The tractor uses a full power shift transmission with 12 forward gears and 2 reverse gears, making it easy to change speeds for different tasks. Under the hood, the Big Bud 440 has a Komatsu SA6 D140 engine. This engine is very big and strong compared to most tractors. It has 6 cylinders and runs on diesel fuel. The engine can produce 440 horsepower, which is a lot of power for a tractor. It also has a turbocharger to make it even stronger. The tractor is very heavy, weighing 40,000 pounds, which helps it work well in tough conditions. Overall, the Big Bud 440 is a very powerful and capable tractor for farmers who need to do big jobs.

Quick specs
- Category
- Utility
- Engine Power Output
- 440hp
- Operating Weight
- 40,000 lb
- Transmission
- Full Power Shift
At a glance
How the 440 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The 440 ranks at the 99th percentile for engine power among recorded utility tractors.
Overview
About the Big Bud 440
The Big Bud 440 is a powerful utility tractor built for tough jobs. It has a strong 4-wheel drive system and can handle all kinds of farm work. The tractor uses a full power shift transmission with 12 forward gears and 2 reverse gears, making it easy to change speeds for different tasks. Under the hood, the Big Bud 440 has a Komatsu SA6 D140 engine. This engine is very big and strong compared to most tractors. It has 6 cylinders and runs on diesel fuel. The engine can produce 440 horsepower, which is a lot of power for a tractor. It also has a turbocharger to make it even stronger. The tractor is very heavy, weighing 40,000 pounds, which helps it work well in tough conditions. Overall, the Big Bud 440 is a very powerful and capable tractor for farmers who need to do big jobs.
Full specifications
Every recorded spec
General
| Manufacturer | Big Bud |
|---|---|
| Model | 440 |
| Category | Utility tractor |
| Type | 4x4 4WD |
| Operating weight | 40,000lb |
Engine
| Make | Komatsu |
|---|---|
| Model | SA6 D140 |
| Power | 440hp |
| Cylinders | 6 |
| Displacement | 930ci |
| Bore | 5.51in |
| Stroke | 6.5in |
Transmission
| Type | Full Power Shift |
|---|---|
| Forward gears | 12 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x4 4WD |
|---|---|
| Drive | 4WD |
| Steering | Hydrostatic Power |
Dimensions
| Operating weight | 40,000lb |
|---|
Head to head
440 vs. Utility median
How the Big Bud 440 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 440 hp | 55 hp | +700% | 99th |
| Engine Displacement | 930 ci | 183 ci | +408% | 99th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 40,000 lb | 5,303 lb | +654% | 99th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 4,941–5,720 models).
Compare to tractors with similar specs
Commonly compared Big Bud tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Big Bud 450 | 450 hp | 40,000 lb | — | Compare → |
| Big Bud 450/20 | 450 hp | 41,500 lb | — | Compare → |
| Big Bud 450/50 | 450 hp | 41,500 lb | — | Compare → |
| Big Bud KT400 | 450 hp | 40,000 lb | — | Compare → |
| Big Bud 402 | 402 hp | 40,000 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH Steiger 435 | 435 hp | 41,605 lb | — | Compare → |
| CaseIH Steiger 435QT Quadtrac | 435 hp | 48,150 lb | — | Compare → |
| CaseIH Steiger 430 | 430 hp | 41,605 lb | — | Compare → |
| CaseIH Steiger 450 | 450 hp | 36,048 lb | — | Compare → |
| CaseIH Steiger 450 Quadtrac | 450 hp | 53,554 lb | — | Compare → |
Explore
Big Bud siblings
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Gallery
Big Bud 440 photos





FAQ
Common questions
How powerful is the Big Bud 440?
The Big Bud 440 has an engine power output of 440 hp. It is powered by a 6-cylinder engine displacing 930 ci.
What type of transmission does the Big Bud 440 have?
The Big Bud 440 uses a Full Power Shift transmission offering 12 forward gears.
What is the working weight of the Big Bud 440?
The operating weight of the Big Bud 440 is approximately 40,000 lb.
What routine service does the Big Bud 440 need?
Regular maintenance for the Big Bud 440 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.

