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Steiger Cougar III ST-280 vs Steiger Cougar IV KM-280
Verdict: Steiger Cougar III ST-280 vs Steiger Cougar IV KM-280
The Steiger Cougar III ST-280 and the Steiger Cougar IV KM-280 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 280 hp. Steiger Cougar IV KM-280 is the lighter machine (11,344 kg vs 25,600 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Steiger Cougar IV KM-280 is the newer design (1983 vs 1981). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Steiger
62
Fit score
Best match
Clear
Steiger
62
Fit score
Best match
Clear
Rated power
280 hp
280 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
SteigerReference
SteigerReference
Ten-speed transmission with two-speed transfer case.Reference
With 18.4x38 tires.Reference
Final drives
outboard planetaryReference
outboard planetaryReference
Engine
Fuel tank
1010.6 LReference
1010.6 LReference
Engine
208.8 kWReference
208.8 kWReference
Drawbar (tested)
186.2 kWReference
—
Displacement
14.6 LReference
14.0 LReference
Bore/Stroke
137 x 165 mmReference
140 x 152 mmReference
Power
208.8 kWReference
208.8 kWReference
Air cleaner
two paper elementsReference
—
Compression
14.1:1Reference
—
Rated RPM
2100Reference
2100Reference
Torque
1281.4 NmReference
1234.0 NmReference
Torque RPM
1200Reference
1400Reference
Starter volts
12Reference
—
Oil capacity
34.1 LReference
33.1 LReference
Coolant capacity
66.2 LReference
57.9 LReference
Max power
184.4 kWReference
—
Drawbar (claimed)
—
190.2 kWReference
Operating RPM
—
1700-2100Reference
Starter type
—
electricReference
Transmission
Transmission
Dana-Spicer 1010Reference
—
Gears
20 forward and 4 reverseReference
20 forward and 4 reverseReference
Clutch
393.7mm hydraulic dry discReference
—
PTO & Hydraulics
Type
open centerReference
gearReference
Pressure
155.1 barReference
155.1 barReference
Valves
3 to 5Reference
3 to 5Reference
Cat Pump flow
120.7 lpmReference
—
Cummins Pump flow
108.3 lpmReference
—
Rear Type
IIIReference
IIIReference
Pump flow
—
108.3 lpmReference
Dimensions
Wheelbase
325 cmReference
327 cmReference
Weight
25600 to 30500 poundsReference
11344 kgReference
Front tire
18.4x38Reference
18.4x38Reference
Rear tire
18.4x38Reference
18.4x38Reference
Ag front
30.5x32Reference
30.5x32Reference
Ag rear
30.5x32Reference
30.5x32Reference
Length
640 cmReference
644 cmReference
Width
243 cmReference
366 cmReference
Height (exhaust)
395 cmReference
—
Cummins Shipping
11612 kgReference
—
Cat Shipping
11748 kgReference
—
Operating
13834 kgReference
—
Shipping weight
—
11344 kgReference
Max weight
—
15422 kgReference
Cougar III ST-280 Serial Numbers
1981
111-00001Reference
—
1982
111-01501Reference
—
1983
111-02501Reference
—
Electrical
Ground
negativeReference
—
Charging system
alternatorReference
alternatorReference
Charging amps
90Reference
90Reference
Battery volts
12Reference
12Reference
Batteries
—
3Reference
Capacities
Max capacity
15422 kgReference
—
Test results
Max pull
14724 kgReference
—
Fuel use
57.2 l/hourReference
—
Steiger Cougar IV KM-280 Height
Cab
—
342 cmReference
Exhaust
—
395 cmReference
Speeds
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.