Cougar III ST-270 by Steiger

1977 - 1981

1977 - 1981 III SeriesFour-wheel Drive (4WD) tractor

Series:

Series:Cougar III ST-270Cougar III ST-280 ↓

1981 - 1983

1981 - 1983
III Series
Four-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 ...

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 ...

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 ...

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 ...

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

Production

Production Manufacturer:Steiger
Type:Four-wheel Drive (4WD) tractor
Factory:Fargo, North Dakota, USA
Original price:$78,000 (1981)

Steiger Cougar III ST-270 Power

Steiger Cougar III ST-270 Power Engine:270 hp
201.3 kW
power test details ...

1977 - 1981

1977 - 1981
III Series
Four-wheel Drive (4WD) tractor

Series:

Series:Cougar III ST-270
Cougar III ST-280 ↓

Nebraska Tractor Test 1238

Nebraska Tractor Test 1238
10-speed 4WD
April 18 - May 2, 1977
Link: Nebraska Tractor Test 1238 file

Steiger Cougar III ST-270 Engine

Steiger Cougar III ST-270 Engine Caterpillar 10.5L 6-cyl diesel Fuel tank:267 gal
1010.6 L
Engine details ...

1977 - 1981

1977 - 1981
III Series
Four-wheel Drive (4WD) tractor

Series:

Series:Cougar III ST-270
Cougar III ST-280 ↓

Engine Detail

Engine Detail
Caterpillar 3306
turbocharged aftercooled diesel
6-cylinder
liquid-cooled
Displacement:638 ci
10.5 L
Bore/Stroke:4.75x6.00 inches
121 x 152 mm
Power:270 hp
201.3 kW
Compression:17.5:1
Rated RPM:2200
Idle RPM:830-2470
Torque:775 lb-ft
1050.9 Nm
Torque RPM:1400
Starter volts:12
Oil capacity:29 qts
27.4 L
Coolant capacity:56 qts
53.0 L

Mechanical

Mechanical Chassis:4x4 articulated 4WD
Final drives:outboard planetary
Steering:hydrostatic power
Brakes:hydraulic disc
Cab:Safari Cab standard with heat and air-conditioning.
Transmissions:10-speed
 20-speed
Transmission details ...

1977 - 1981

1977 - 1981
III Series
Four-wheel Drive (4WD) tractor

Series:

Series:Cougar III ST-270
Cougar III ST-280 ↓

Transmissions overview

Transmissions overview
10-speed
20-speed

Transmission

Transmission
Gears:10 forward and 2 reverse
Clutch:hydraulic dry discs

Speeds

Speeds

Transmission

Transmission
Transmission:Dana-Spicer 1010-3B
Gears:20 forward and 4 reverse
Clutch:356mm dry disc
Ten-speed transmission with two-speed transfer case.

Speeds

Speeds

Hydraulics

Hydraulics Type:open center
Pressure:2250 psi
155.1 bar
Valves:4
Pump flow:29.2 gpm
110.5 lpm

Tractor hitch

Tractor hitch Rear Type:3 (optional)

Dimensions & Tires

Dimensions & Tires Wheelbase:128 inches
325 cm
Weight:26,250 lbs
11907 kg
Front tire:23.1-34
Rear tire:23.1-34
Full dimensions and tires ...

1977 - 1981

1977 - 1981
III Series
Four-wheel Drive (4WD) tractor

Series:

Series:Cougar III ST-270
Cougar III ST-280 ↓

Steiger Cougar III ST-270 Tires

Steiger Cougar III ST-270 Tires
Ag front:23.1-34
Ag rear:23.1-34

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
Shiping weight:26,250 lbs
11907 kg
Max weight:34,000 lbs
15422 kg
Clearance (rear axle):20 inches
50 cm
Front axle:Raba 598
Rear axle:Raba 598

Cougar III ST-270 Serial Numbers

Cougar III ST-270 Serial Numbers 1977:105-00330
1978:105-00477
1979:105-00658
1980:105-00872
1981:105-0100

how to read serial numbers...

Electrical

Electrical Ground:negative
Charging system:alternator
Charging amps:90
Batteries:2
Battery volts:12
Battery AH:208
Battery Group:8D

Cougar III ST-270 relate tractors