Big Bud 747 Tractor Price, Specification, History, Features 2022

World Biggest Farm Tractor 16-V 747 Big Bud Tractor Price, Specs, Review, History, Overview

Big Bud Tractor Price, Specification Review

The Big Bud 747 and 16V-747 Big Bud a large, custom-made farm tractors. It was built in Havre, Montana in 1977.

It is announced by the owners and exhibitors as the “World’s Largest Farm Tractor”. It is about twice the size of many of the biggest production tractors in the world, depending on a parameter.

The Big  Bud V16-747 tractor produces 760 horsepower using 16 cylinders Detroit Diesel engine. It has a huge fuel tank, and its fuel tank capacity is 1000 gallons.

Big Bud tractor was first built for the Rossi Brothers, cotton farmers in Bakersfield, California. The Rossi Brothers used the tractor for deep ripping. They held and operated the 16-V747 for 11 years.

 Big Bud Tractor Price

Big Bud Tractor Price

The Big Bud Tractor Price: $300,000 (1978).

 Big Bud Tractor Key Features

Big Bud Tractor features

  • 16 cylinder Detroit diesel engine
  • 760hp Horsepower
  • Tractor Measures are 27 feet long, 20 feet wide, and 14 feet tall.
  • The tire was specially made by the United tire company of Canada and is 8 feet in diameter.
  • 1000 Gallon fuel Tank Capacity
  • The Tractor work more than One-acre per minute.
  • Speed up to 8 mph

 Big Bud Tractor Specifications

Big Bud Tractor specifications


Forward speeds 6
Reverse speeds 1


CLARK D-85840
Type Limited-slip differentials with planetary wheel ends


26 in x 8in (66.04 cm x 20.32 cm) airbrakes, all wheels


System type A load-sensing system allowing maximum pump flow to steering and implement valve.
Maximum flow 65 gal/min (245.96 liters/min)
Tank Capacity 150 Gallons (567.64 liters)
Relief pressure 2000 psi
Implement valve 4-spool open center, 60 gal/min (227.05 liters/min)


Orbital motor with 100 cubic inches (1.64 liters) displacement per steering wheel revolution
Steering cylinders Double action dual cylinders, 4.5 inches (11.43 cm) bore


Starter system 24 volt
All other electrical 12 volt
Alternator 75 amp


95,000 lb (38,636 jg) estimated shipping weight
130,000 lb (49,895 kg) ballasted weight


Wheelbase 16 feet, 3 inches (4.95 meters)
Height (top of cab) 14 feet (4.27 meters)
Length (frame) 27 feet (8.23 meters)
Length (end of drawbar) 28 feet, 6 inches (8.69 meters)
Width (over fenders) 13 feet, 4 inches (4.06 meters)
Width (over duals) 20 feet, 10 inches (6.35 meters)


Type 18in. (45.72 cm) circuit with lock-up clutch
Blading MS-380

Big Bud 747 Fuel Consumption

The big Bud 747 tractor fuel capacity is 1000 gal 3785.0 L and has a 150 gals 567.8 L Hydraulic system.

Big Bud 747 Weight

The big Bud 747 tractor is the world’s largest tractor built in 1977 is a 1,100 hp tractor and it weighs is more than 135,000 pounds when fully ballasted

 Big Bud Tractor Review Video

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Big Bud 747 Tractor FAQ

Who owns the Big Bud 747 tractor?

The big bud 747 tractors owned by the Robert and Randy Williams is the world’s largest tractor

How much does a Big Bud 747 cost?

The cost of big bud 747 tractors is $300,000 

How many Big Bud 747 did they make?

There is only one model of big bud 747 tractors made with  1,100 horsepower out of a 16V92T 16-cylinder, two-cycle Detroit Diesel.

What engine is in Big Bud?

The Detroit Diesel 16V92T 16-cylinder, the two-cycle engine used in big bud tractor

What transmission is in the Big Bud 747?

Big Bud 747 tractor Manufacturer is Twin Disc and has 6 forward and 1 reverse Gear.