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Steiger Cougar III ST-251 vs Steiger Cougar IV CM-250
Verdict: Steiger Cougar III ST-251 vs Steiger Cougar IV CM-250
The Steiger Cougar III ST-251 and the Steiger Cougar IV CM-250 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 250 hp. Steiger Cougar IV CM-250 is the lighter machine (11,344 kg vs 12,070 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Steiger Cougar IV CM-250 is the newer design (1983 vs 1976). 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
250 hp
250 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
Engine
186.4 kWReference
186.4 kWReference
Drawbar (claimed)
153.6 kWReference
162.6 kWReference
Drawbar (tested)
148.4 kWReference
157.5 kWReference
Displacement
14.0 LReference
10.5 LReference
Bore/Stroke
140 x 152 mmReference
121 x 152 mmReference
Power
186.4 kWReference
186.4 kWReference
Compression
14.1:1Reference
—
Rated RPM
2100Reference
2100Reference
Idle RPM
830-2260Reference
—
Torque
1152.6 NmReference
1166.2 NmReference
Torque RPM
1400Reference
1300Reference
Starter
electricReference
—
Starter volts
12Reference
—
Oil capacity
41.6 LReference
27.4 LReference
Coolant capacity
53.0 LReference
53.0 LReference
Max power
148.4 kWReference
157.5 kWReference
Fuel tank
—
1010.6 LReference
Operating RPM
—
1700-2100Reference
Starter type
—
electricReference
Transmission
Transmission
Spicer SST 1010Reference
—
Gears
20 forward and 4 reverseReference
20 forward and 4 reverseReference
Clutch
394mm dry discReference
—
Capacities
Fuel
1010.6 LReference
—
PTO & Hydraulics
Hydraulic system
124.9 LReference
—
Type
open centerReference
gearReference
Capacity
124.9 LReference
—
Pressure
155.1 barReference
155.1 barReference
Valves
4Reference
3 to 5Reference
Pump flow
116.6 lpmReference
117.3 lpmReference
Rear Type
IIIReference
IIIReference
Dimensions
Wheelbase
325 cmReference
327 cmReference
Weight
12070 kgReference
11344 kgReference
Front tire
23.1-34Reference
18.4x38Reference
Rear tire
23.1-34Reference
18.4x38Reference
Ag front
23.1-34Reference
30.5x32Reference
Ag rear
23.1-34Reference
30.5x32Reference
Length
640 cmReference
644 cmReference
Width
243 cmReference
366 cmReference
Height (exhaust)
395 cmReference
—
Shipping weight
12070 kgReference
11344 kgReference
Max weight
15422 kgReference
15422 kgReference
Front axle
Raba 598Reference
—
Cougar III ST-251 Serial Numbers
1976
106-00001Reference
—
1977
106-00166Reference
—
1978
106-00256Reference
—
1979
106-00370Reference
—
1980
106-00737Reference
—
1981
106-01055Reference
—
1982
106-01501Reference
—
Electrical
Ground
negativeReference
—
Charging system
alternatorReference
alternatorReference
Charging amps
90Reference
90Reference
Batteries
2Reference
3Reference
Battery volts
12Reference
12Reference
Battery AH
208Reference
—
Battery Group
8DReference
—
Test results
Fuel use
51.1 l/hourReference
52.6 l/hourReference
Max pull
12192 kgReference
13398 kgReference
Steiger Cougar IV CM-250 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.