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Years in Production / 1979–1982

Big Bud

525/50

Explore the specifications, hardware, and original references for the Big Bud 525/50.

Generic tractor; no model photo available
No photo

525hp

Source index power

4x4 Only

Drive

1979–1982

Production years

Big Bud

Manufacturer

525/50 / 01

At a glance

Production

Four-wheel Drive (4WD) tractor

Built in Havre, Montana, USA

Manufacturer
Big Bud

Mechanical

Four-wheel drive

Articulated power steering

Pneumatic drum brakes

Cruiser Cab standard with air-conditioning.

Final Drives
planetary

Capacity

Fuel
550 gal2081.8 L
Hydraulic System
36 gal136.3 L

Hydraulics

Type
closed center
Capacity
36 gal136.3 L
Steering Flow
36 gpm136.3 lpm

Electrical

Ground
negative
Charging System
alternator
Charging Amps
75
Battery Volts
12

525/50 / 02

Under the hood

Engine Detail

Cummins KTA-1150-C

turbocharged aftercooled diesel

6-cylinder

liquid-cooled inline

Displacement
1150 ci18.8 L
Bore Stroke
6.25x6.25 inches159 x 159 mm
Power
525 hp391.5 kW
Air Cleaner
dual dry element
Rated Rpm
2100
Starter
electric
Starter Volts
24
Cylinders
6
Cooling
liquid-cooled inline

525/50 / 03

Gears & controls

Transmission (Option 1)

Transmission
Twin Disc TD-92-2610
Transmission Type
power shift
Gears
9 forward and 2 reverse

Transmission (Option 2)

Transmission
Twin Disc TD-92-2609
Transmission Type
power shift
Gears
6 forward and 1 reverse

525/50 / 04

Size. Stance. Footprint.

Dimensions And Tires

Wheelbase
150 inches381 cm
Weight
45000 to 52000 pounds
Front Tire
30.5-32
Rear Tire
30.5-32

Tires And Tracks

Front Ag
30.5-32
Rear Ag
30.5-32

525/50 / 05

Tests (NTTL)

Nebraska Tractor Test 1400

Diesel 9-speed 4WDJune 29 - July 9, 1981

Drawbar performance

Id
1400
Max Power
406.48 hp303.1 kW
Fuel Use
27.3 gal/hour103.3 l/hour
Max Pull
42216 lbs19149 kg