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Tractor · 1979Unverified

Big Bud 525/50

Name: Big Bud 525/50
Brand: Big Bud

Big Bud 525/50 — 3 Series · 525 hp. Reference specifications; pending source verification.

The Big Bud 525/50 is a tractor with a power output of 525 horsepower, placing it at the high end of its class. Produced between 1979 and 1982, it is equipped with a 6-cylinder turbocharged diesel liquid-cooled engine and a four-wheel drive system with a powershift transmission. The tractor's operating weight ranges from 45,000 to 52,000 pounds. It is suitable for operations covering 1,500+ acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

525 hp

Max power

303.1 kW

Weight

45000 to 52000 pounds

Catalogue coverage

Variants represented

Richest spec table

59 rows

Recorded power

525 hp

Transmissions

9-speed power shift

Production years

1979-1982

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerBig BudReference

Four-wheel Drive (4WD) tractorReference

Built in Havre, Montana, USAReference

Four-wheel driveReference

Final drivesplanetaryReference

Articulated power steeringReference

Pneumatic drum brakesReference

Cruiser Cab standard with air-conditioning.Reference

Variants

525/20gear shiftReference

525/50power shiftReference

Engine

Cummins 18.8L 6-cyl dieselReference

Engine391.5 kWReference

Drawbar (tested)303.1 kWReference

Cummins KTA-1150-CReference

turbocharged aftercooled dieselReference

6-cylinderReference

liquid-cooled inlineReference

Displacement18.8 LReference

Bore/Stroke159 x 159 mmReference

Power391.5 kWReference

Air cleanerdual dry elementReference

Rated RPM2100Reference

StarterelectricReference

Starter volts24Reference

Max power303.1 kWReference

Transmission

9-speed power shiftReference

6-speed power shiftReference

TransmissionTwin Disc TD-92-2610Reference

Typepower shiftReference

Gears9 forward and 2 reverseReference

TransmissionTwin Disc TD-92-2609Reference

Gears6 forward and 1 reverseReference

Capacities

Fuel2081.8 LReference

Max capacity27216 kgReference

PTO & Hydraulics

Hydraulic system136.3 LReference

Typeclosed centerReference

Capacity136.3 LReference

Steering flow136.3 lpmReference

Dimensions

Wheelbase381 cmReference

Weight45000 to 52000 poundsReference

Front tire30.5-32Reference

Rear tire30.5-32Reference

Ag front30.5-32Reference

Ag rear30.5-32Reference

Length679 cmReference

Width304 cmReference

Height (cab)367 cmReference

Height (exhaust)396 cmReference

Ground clearance36 cmReference

Shipping20412 kgReference

Operating23587 kgReference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps75Reference

Battery volts12Reference

Test results

Diesel 9-speed 4WDJune 29 - July 9, 1981Link: Nebraska Tractor Test 1400 fileReference

Drawbar performanceReference

Fuel use103.3 l/hourReference

Max pull19149 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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