Steiger Cougar III ST-250 tractor specifications

1976 - 1983

1976 - 1983 III SeriesFour-wheel Drive (4WD) tractor

Production

Production Manufacturer:Steiger
Type:Four-wheel Drive (4WD) tractor
Factory:Fargo, North Dakota, USA
Original price:$50,000 (1983)

Steiger Cougar III ST-250 Power

Steiger Cougar III ST-250 Power Engine:250 hp
186.4 kW
Drawbar (tested):214.51 hp
160.0 kW
power test details ...

1976 - 1983

III Series

Four-wheel Drive (4WD) tractor

Nebraska Tractor Test 1239

Nebraska Tractor Test 1239
2200rpm diesel 10-speed 4WD April 21 - May 2, 1977 Link: Nebraska Tractor Test 1239 file
Drawbar performance
Max power:	201.95 hp 150.6 kW
Fuel use:	15.9 gal/hour 60.2 l/hour
Gear 6 used for power test.
Max pull:	26,612 lbs 12071 kg
Gear 2 used for pull test.

Nebraska Tractor Test 1452

Nebraska Tractor Test 1452
2100rpm diesel 20-speed 4WD 9/21/1982 Link: Nebraska Tractor Test 1452 file
Drawbar performance
Max power:	214.51 hp 160.0 kW
Fuel use:	13.4 gal/hour 50.7 l/hour
Gear 11 used for power test.
Max pull:	29,539 lbs 13398 kg
Gear 4 used for pull test.

Steiger Cougar III ST-250 Engine

Steiger Cougar III ST-250 Engine Caterpillar 10.5L 6-cyl diesel Fuel tank:267 gal
1010.6 L
Engine details ...

1976 - 1983

III Series

Four-wheel Drive (4WD) tractor

Engine Detail

Engine Detail
Caterpillar 3306DITA
turbocharged aftercooled diesel
6-cylinder
liquid-cooled inline
Displacement:	638 ci 10.5 L
Bore/Stroke:	4.75x6.00 inches 121 x 152 mm
Power:	250 hp 186.4 kW
Air cleaner:	two paper elements
Compression:	15:1
Rated RPM:	2100
Torque:	860 lb-ft 1166.2 Nm
Torque RPM:	1300
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 dry disc
Cab:Safari Cab standard with heat and air-conditioning.
Transmissions:10-speed
20-speed
Transmission details ...

1976 - 1983

III Series

Four-wheel Drive (4WD) tractor

Transmissions overview

Transmissions overview
10-speed
20-speed

Transmission

Transmission
Gears:	10 forward and 2 reverse

Transmission

Transmission
Transmission:	Dana-Spicer 1010-2A
Gears:	20 forward and 4 reverse
Clutch:	355.6mm 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
Pump flow:30.8 gpm
116.6 lpm

Tractor hitch

Tractor hitch Rear Type:3 (optional)

Dimensions & Tires

Dimensions & Tires Wheelbase:128 inches
325 cm
Weight:25,000 lbs
11340 kg
Front tire:23.1-34
Rear tire:23.1-34
Full dimensions and tires ...

1976 - 1983

III Series

Four-wheel Drive (4WD) tractor

Steiger Cougar III ST-250 Tires

Steiger Cougar III ST-250 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:	25,000 lbs 11340 kg
Max weight:	34,000 lbs 15422 kg