Cougar III ST-280 by Steiger

1981 - 1983

1981 - 1983 III SeriesFour-wheel Drive (4WD) tractor

Production

Production Manufacturer:Steiger
Type:Four-wheel Drive (4WD) tractor
Factory:Fargo, North Dakota, USA
Original price:$89,000 (1983)

Steiger Cougar III ST-280 Power

Steiger Cougar III ST-280 Power Engine:280 hp
208.8 kW
Drawbar (tested):249.69 hp
186.2 kW
power test details ...

1981 - 1983

1981 - 1983
III Series
Four-wheel Drive (4WD) tractor

Nebraska Tractor Test 1401

Nebraska Tractor Test 1401
Cummins diesel 20-speed 4WD
August 27 - September 9, 1981
Link: Nebraska Tractor Test 1401 file
Drawbar performance
Max power:249.69 hp
186.2 kW
Gear 12 used for power test.
Max pull:31,517 lbs
14296 kg
Gear 1 used for pull test.

Nebraska Tractor Test 1412

Nebraska Tractor Test 1412
Cat diesel 20-speed 4WD
October 19 - 30, 1981
Link: Nebraska Tractor Test 1412 file
Drawbar performance
Max power:247.27 hp
184.4 kW
Fuel use:15.1 gal/hour
57.2 l/hour
Gear 10 used for power test.
Max pull:32,462 lbs
14724 kg
Gear 4 used for pull test.

Steiger Cougar III ST-280 Engines

Steiger Cougar III ST-280 Engines Cummins 14.0L 6-cyl diesel Caterpillar 14.6L 6-cyl diesel Fuel tank:267 gal
1010.6 L
Engine details ...

1981 - 1983

1981 - 1983
III Series
Four-wheel Drive (4WD) tractor

Engines overview

Engines overview
Cummins 14.0L 6-cyl diesel
Caterpillar 14.6L 6-cyl diesel

Engine Detail

Engine Detail
Cummins NT-855C
turbocharged diesel
6-cylinder
liquid-cooled inline
Displacement:855 ci
14.0 L
Bore/Stroke:5.50x6.00 inches
140 x 152 mm
Power:280 hp
208.8 kW
Air cleaner:two paper elements
Compression:14.1:1
Rated RPM:2100
Torque:920 lb-ft
1247.5 Nm
Torque RPM:1400
Starter volts:12
Oil capacity:35 qts
33.1 L
Coolant capacity:61 qts
57.7 L

Engine Detail

Engine Detail
Caterpillar 3406DIT
turbocharged diesel
6-cylinder
liquid-cooled inline
Displacement:893 ci
14.6 L
Bore/Stroke:5.40x6.50 inches
137 x 165 mm
Power:280 hp
208.8 kW
Air cleaner:two paper elements
Rated RPM:2100
Torque:945 lb-ft
1281.4 Nm
Torque RPM:1200
Starter volts:12
Oil capacity:36 qts
34.1 L
Coolant capacity:70 qts
66.2 L

Mechanical

Mechanical Chassis:4x4 articulated 4WD
Final drives:outboard planetary
Steering:hydrostatic power
Brakes:hydraulic dry disc
Cab:Safari Cab standard with heat and air-conditioning.
Transmission:20-speed
Transmission details ...

1981 - 1983

1981 - 1983
III Series
Four-wheel Drive (4WD) tractor

Transmission

Transmission
Transmission:Dana-Spicer 1010
Gears:20 forward and 4 reverse
Clutch:393.7mm hydraulic dry disc
Ten-speed transmission with two-speed transfer case.

Speeds

Speeds

Hydraulics

Hydraulics Type:open center
Pressure:2250 psi
155.1 bar
Valves:3 to 5
Cat Pump flow:31.9 gpm
120.7 lpm
Cummins Pump flow:28.6 gpm
108.3 lpm

Tractor hitch

Tractor hitch Rear Type:3 (optional)

Dimensions & Tires

Dimensions & Tires Wheelbase:128 inches
325 cm
Weight:25600 to 30500 pounds
Front tire:18.4x38
Rear tire:18.4x38
Full dimensions and tires ...

1981 - 1983

1981 - 1983
III Series
Four-wheel Drive (4WD) tractor

Steiger Cougar III ST-280 Tires

Steiger Cougar III ST-280 Tires
Ag front:18.4x38
 20.8x34
 20.8x38
 23.1-34
 24.5x32
 30.5x32
Ag rear:18.4x38
 20.8x34
 20.8x38
 23.1-34
 24.5x32
 30.5x32

Dimensions

Dimensions
Wheelbase:128 inches
325 cm
Length:252 inches
640 cm
Width:96 inches
243 cm (tractor body)
Height (exhaust):155.8 inches
395 cm

Steiger Cougar III ST-280 Weight

Steiger Cougar III ST-280 Weight
Cummins Shipping:25,600 lbs
11612 kg
Cat Shipping:25,900 lbs
11748 kg
Operating:30,500 lbs
13834 kg
Max capacity:34,000 lbs
15422 kg

Cougar III ST-280 Serial Numbers

Cougar III ST-280 Serial Numbers 1981:110-00001
1982:110-01501
1983:110-02501
1981:111-00001
1982:111-01501
1983:111-02501

how to read serial numbers...

Electrical

Electrical Ground:negative
Charging system:alternator
Charging amps:90
Battery volts:12

Cougar III ST-280 relate tractors