Same brandBig Bud 450/20
The Big Bud 450/20 is a powerful utility tractor built for tough jobs. It has a strong four-wheel drive system and uses hydrostatic power steering, making it easy to control. The tractor has a gear transmission with 12 forward gears and 2 reverse gears, giving the driver lots of options for different tasks. Under the hood, the Big Bud 450/20 has a Cummins engine that runs on diesel fuel. This engine is very big and strong compared to most tractors. It has 6 cylinders and can produce 450 horsepower, which is a lot of power. The engine is turbocharged and liquid-cooled to help it work well. The tractor is also very heavy, weighing 41,500 pounds, which helps it handle big jobs. Overall, the Big Bud 450/20 is a high-performance tractor designed for farmers who need a lot of power and strength in their equipment.
Key specifications
- Category
- Utility
- Engine power
- 450hp
- Operating weight
- 41,500 lb
- Transmission
- Gear
Category comparison
450/20 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
This model
The 450/20 ranks at the 99th percentile for engine power among recorded utility tractors.
Overview
About the Big Bud 450/20
The Big Bud 450/20 is a powerful utility tractor built for tough jobs. It has a strong four-wheel drive system and uses hydrostatic power steering, making it easy to control. The tractor has a gear transmission with 12 forward gears and 2 reverse gears, giving the driver lots of options for different tasks. Under the hood, the Big Bud 450/20 has a Cummins engine that runs on diesel fuel. This engine is very big and strong compared to most tractors. It has 6 cylinders and can produce 450 horsepower, which is a lot of power. The engine is turbocharged and liquid-cooled to help it work well. The tractor is also very heavy, weighing 41,500 pounds, which helps it handle big jobs. Overall, the Big Bud 450/20 is a high-performance tractor designed for farmers who need a lot of power and strength in their equipment.
Full specifications
Recorded specifications
General
| Manufacturer | Big Bud |
|---|---|
| Model | 450/20 |
| Category | Utility tractor |
| Type | 4x4 4WD |
| Operating weight | 41,500lb(18,820 kg) |
Engine
| Make | Cummins |
|---|---|
| Power | 450hp(335.6 kW) |
| Cylinders | 6 |
| Displacement | 1,150ci(18.85 L) |
| Bore | 6.25in(158.8 mm) |
| Stroke | 6.25in(158.8 mm) |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 12 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x4 4WD |
|---|---|
| Drive | Four-wheel Drive (4WD) |
| Steering | Hydrostatic Power |
Dimensions
| Operating weight | 41,500lb(18,820 kg) |
|---|
Closest alternatives
450/20 compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the 450/20 are the Big Bud 450 and the Big Bud 450/50. The Big Bud 450 matches it on rated power and weighs 1,500 lb less. The Big Bud 450/50 matches it on rated power at almost the same operating weight. Of the 3 models, the 450/20 has the highest weight per horsepower at 92 lb per hp.
| Spec | Big Bud 450/20 | Big Bud 450 | Big Bud 450/50 |
|---|---|---|---|
| Engine power | 450 hp335.6 kW | 450 hp335.6 kW | 450 hp335.6 kW |
| Operating weight | 41,500 lb18,824 kg | 40,000 lb18,144 kg | 41,500 lb18,824 kg |
| Weight per hp | 92 lb/hp56 kg/kW | 89 lb/hp54 kg/kW | 92 lb/hp56 kg/kW |
| Displacement | 1,150 ci18.85 L | 736 ci12.06 L | 1,150 ci18.85 L |
| Cylinders | 6 | 8 | 6 |
| Transmission | Gear | Full power shift | Power Shift |
| Drive | Four-wheel Drive (4WD) | 4WD | Four-wheel Drive |
Calculators
Calculators for the 450/20
PTO power
About 374 to 405 PTO hp
Estimated from the 450 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 450 hp tractor can run
Maximum size is about a 53.5 ft rotary cutter or a 45.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
107 lb per PTO hp as listed
Heavy draft work calls for 110 to 125 lb/hp. The calculator gives the ballast to add.
Units
450 hp is 335.6 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
450/20 vs. Utility median
Big Bud 450/20 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 450 hp | 55 hp | +718% | 99th |
| Engine Displacement | 1,150 ci | 183 ci | +528% | 99th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 41,500 lb | 5,303 lb | +683% | 99th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 4,941–5,720 models).
Same manufacturer
Other Big Bud models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How much horsepower does the Big Bud 450/20 have?
The Big Bud 450/20 produces 450 hp from its 6-cylinder engine. Engine displacement is 1,150 ci.
What transmission is in the Big Bud 450/20?
Transmission on the Big Bud 450/20 is Gear, with 12 forward speeds.
How much does the Big Bud 450/20 weigh?
The Big Bud 450/20 weighs about 41,500 lb in operating condition.
What maintenance does the Big Bud 450/20 require?
The Big Bud 450/20 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.

