Big Bud 370
The Big Bud 370 is a powerful utility tractor built for serious farm work. It has a strong four-wheel drive system and a sturdy 4x4 chassis, making it great for tough jobs. The tractor is steered using hydrostatic power, which makes it easy to control even in tight spaces. Under the hood, the Big Bud 370 boasts a Komatsu ST1079 engine. This 6-cylinder diesel engine is turbocharged and intercooled, giving it extra power. With 370 hp, it's one of the strongest tractors in its class. The engine is very large at 674 ci, which is much bigger than most other tractors. It runs at 2100 rpm, which is lower than average, helping it save fuel. The tractor is also very heavy, weighing 41,200 lb, which helps it grip the ground well. This Big Bud model has a 12-speed forward and 2-speed reverse transmission, allowing for smooth gear changes in various conditions.

Key specifications
- Category
- Utility
- Engine power
- 370hp
- Operating weight
- 41,200 lb
- Transmission
- Full Power Shift
Category comparison
370 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
This model
The 370 ranks at the 98th percentile for engine power among recorded utility tractors.
Overview
About the Big Bud 370
The Big Bud 370 is a powerful utility tractor built for serious farm work. It has a strong four-wheel drive system and a sturdy 4x4 chassis, making it great for tough jobs. The tractor is steered using hydrostatic power, which makes it easy to control even in tight spaces. Under the hood, the Big Bud 370 boasts a Komatsu ST1079 engine. This 6-cylinder diesel engine is turbocharged and intercooled, giving it extra power. With 370 hp, it's one of the strongest tractors in its class. The engine is very large at 674 ci, which is much bigger than most other tractors. It runs at 2100 rpm, which is lower than average, helping it save fuel. The tractor is also very heavy, weighing 41,200 lb, which helps it grip the ground well. This Big Bud model has a 12-speed forward and 2-speed reverse transmission, allowing for smooth gear changes in various conditions.
Full specifications
Recorded specifications
General
| Manufacturer | Big Bud |
|---|---|
| Model | 370 |
| Category | Utility tractor |
| Type | 4x4 4WD |
| Operating weight | 41,200lb(18,690 kg) |
Engine
| Make | Komatsu |
|---|---|
| Model | ST1079 |
| Power | 370hp(275.9 kW) |
| Cylinders | 6 |
| Displacement | 674ci(11.04 L) |
| Bore | 4.92in(125 mm) |
| Stroke | 5.91in(150.1 mm) |
Transmission
| Type | Full Power Shift |
|---|---|
| Forward gears | 12 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x4 4WD |
|---|---|
| Drive | Four-wheel Drive (4WD) |
| Steering | Hydrostatic Power |
Dimensions
| Operating weight | 41,200lb(18,690 kg) |
|---|
Closest alternatives
370 compared with the nearest models by horsepower
Among utility tractors, the John Deere 8850 and the CaseIH Steiger 370 are closest to the Big Bud 370 in rated horsepower. The John Deere 8850 matches it on rated power and weighs 3,500 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. The CaseIH Steiger 370 matches it on rated power and weighs 2,440 lb less. Of the 3 models, the 370 has the highest weight per horsepower at 111 lb per hp.
| Spec | Big Bud 370 | John Deere 8850 | CaseIH Steiger 370 |
|---|---|---|---|
| Engine power | 370 hp275.9 kW | 370 hp275.9 kW | 370 hp275.9 kW |
| Operating weight | 41,200 lb18,688 kg | 37,700 lb17,100 kg | 38,759 lb17,581 kg |
| Weight per hp | 111 lb/hp68 kg/kW | 102 lb/hp62 kg/kW | 105 lb/hp64 kg/kW |
| Displacement | 674 ci11.04 L | 955 ci15.65 L | 531 ci8.7 L |
| Cylinders | 6 | 8 | 6 |
| Transmission | Full Power Shift | Partial power shift | Full power shift |
| Drive | Four-wheel Drive (4WD) | 4WD | 4WD |
Calculators
Calculators for the 370
PTO power
About 307 to 333 PTO hp
Estimated from the 370 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 370 hp tractor can run
Maximum size is about a 44 ft rotary cutter or a 37.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
129 lb per PTO hp as listed
The calculator gives the target weight and front/rear split for each job.
Units
370 hp is 275.9 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
370 vs. Utility median
Big Bud 370 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 370 hp | 55 hp | +573% | 98th |
| Engine Displacement | 674 ci | 183 ci | +268% | 96th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 41,200 lb | 5,303 lb | +677% | 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
Gallery
Big Bud 370 photos






FAQ
Frequently asked questions
What is the engine power output of the Big Bud 370?
Rated engine output for the Big Bud 370 is 370 hp, delivered by a 6-cylinder engine. The engine displaces 674 ci.
Which transmission does the Big Bud 370 use?
The Big Bud 370 is equipped with a Full Power Shift transmission with 12 forward gears.
What is the operating weight of the Big Bud 370?
The Big Bud 370 has an operating weight of about 41,200 lb.
How do I maintain a Big Bud 370?
Routine service for the Big Bud 370 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.

