Big Bud 400/20 - Horsepower, Weight, Specs, Problems, Price & More

The Big Bud 400/20 tractor is powered by a Detroit Diesel 12.1L 8-cyl diesel engine that provides 400 hp/298.3 kW of horsepower and torque. It has a 4x4 articulated 4WD drive configuration and a gear transmission.

• Engine
• Transmission
• Brakes
• Steering
• Common Problems
• What Users Like
• Technical Specifications

Engine

The engine is not specified in the data provided. However, based on the model name, Big Bud 400/20, it is likely that the engine is a Detroit Diesel 8V-92T/turbocharged diesel/8-cylinder/liquid-cooled with a displacement of 736 ci/12.1 L, bore/stroke of 4.84x5.00 inches/123 x 127 mm, power of 400 hp/298.3 kW, compression ratio of 19:1, and rated rpm of 2100. The engine is started using an electric starter with 24 volts.

Transmission

The transmission is a Fuller Roadranger RT 12513 with 12 forward and 2 reverse gears. The engine power of 400 hp/298.3 kW is transmitted to the wheels through the 12-speed gear transmission. The transmission is a gear type transmission.

Brakes

The brakes are pneumatic drum brakes. The engine is a Detroit Diesel 8V-92T/turbocharged diesel/8-cylinder/liquid-cooled with a displacement of 736 ci/12.1 L, bore/stroke of 4.84x5.00 inches/123 x 127 mm, power of 400 hp/298.3 kW, compression ratio of 19:1, and rated rpm of 2100. The brakes are designed to provide reliable stopping power for the tractor.

Steering

The steering is articulated power steering. The engine is a Detroit Diesel 12.1L 8-cylinder diesel. The fuel tank has a capacity of 550 gal/2081.8 L. The steering system is designed to provide precise control and maneuverability for the tractor.

Common Problems

Users have reported issues with the chassis, final drives, steering, brakes, cab, and transmission. The 4x4 articulated 4WD chassis can be prone to wear and tear, which can lead to reduced performance and reliability. The planetary final drives can also be prone to wear and tear, which can lead to reduced performance and reliability. The articulated power steering system can be prone to leaks and other issues, which can lead to reduced performance and reliability. The pneumatic drum brakes can be prone to wear and tear, which can lead to reduced stopping power. The Cruiser Cab standard with air-conditioning can be prone to issues with the air-conditioning system, which can lead to reduced comfort for the operator. The 12-speed gear transmission can be prone to issues with shifting, which can lead to reduced performance and reliability.

What Users Like

Users appreciate the large ag front and rear tires, which provide excellent traction and stability for the tractor. The 30.5-32 ag front and rear tires are well-suited for a variety of agricultural applications. Users also appreciate the powerful engine, which provides plenty of power for heavy-duty tasks. The Detroit Diesel 8V-92T/turbocharged diesel/8-cylinder/liquid-cooled engine is known for its reliability and durability. Overall, users appreciate the performance and reliability of the Big Bud 400/20 tractor.

Big Bud 400/20 Technical Specifications

Power
Engine	400 hp/298.3 kW
Engine Detail
Description	Detroit Diesel 8V-92T/turbocharged diesel/8-cylinder/liquid-cooled
Displacement	736 ci/12.1 L
Bore/stroke	4.84x5.00 inches/123 x 127 mm
Power	400 hp/298.3 kW
Compression	19:1
Rated Rpm	2100
Starter	electric
Starter Volts	24
Engine
Description	Detroit Diesel 12.1L 8-cyl diesel
Fuel Tank	550 gal/2081.8 L
Transmission
Transmission	Fuller Roadranger RT 12513
Type	gear
Gears	12 forward and 2 reverse
Mechanical
Chassis	4x4 articulated 4WD
Final Drives	planetary
Steering	articulated power
Brakes	pneumatic drum
Cab	Cruiser Cab standard with air-conditioning.
Transmission	12-speed gear
Tires
Ag Front	30.5-32
Ag Rear	30.5-32
Dimensions
Wheelbase	150 inches/381 cm
Length	267.6 inches/679 cm
Width	120 inches/304 cm
Height (cab)	144.5 inches/367 cm
Height (exhaust)	156 inches/396 cm
Shipping Weight	40000 lbs/18144 kg
Max Weight	50000 lbs/22680 kg
Ground Clearance	14.5 inches/36 cm
Dimensions And Tires
Wheelbase	150 inches/381 cm
Weight	40000 lbs/18144 kg
Front Tire	24.5-32
Rear Tire	24.5-32
Hydraulics
Type	closed center load sensing
Valves	4
Pump Flow	36 gpm/136.3 lpm
Steering Flow	35 gpm/132.5 lpm
Electrical
Ground	negative
Charging System	alternator
Charging Amps	75
Battery Volts	12

Other Big Bud tractors:

Big Bud 16V-747, Big Bud 360, Big Bud 360/10, Big Bud 360/30, Big Bud 370, Big Bud 375, Big Bud 400, Big Bud 400/20, Big Bud 400/30, Big Bud 402, Big Bud 440, Big Bud 450, Big Bud 450/20, Big Bud 450/50, Big Bud 500, Big Bud 525/20, Big Bud 600/50, Big Bud 650/50, Big Bud 740, Big Bud HN250, Big Bud HN320, Big Bud HN350, Big Bud HN360, Big Bud KT350, Big Bud KT400, Big Bud KT450, Big Bud KT525,