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Steiger Panther III ST-350 vs Upton HT-14/350
Verdict: Steiger Panther III ST-350 vs Upton HT-14/350
The Steiger Panther III ST-350 and the Upton HT-14/350 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 350 hp. Steiger Panther III ST-350 is the lighter machine (12,111 kg vs 40,480 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Upton HT-14/350 is the newer design (1978 vs 1977). 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
Upton
62
Fit score
Best match
Clear
Rated power
350 hp
350 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
SteigerReference
UptonReference
Ten-speed transmission with two-speed transfer case.Reference
liquid-cooledReference
Final drives
outboard planetaryReference
—
Total built
—
1Reference
Original price
—
$70,000 (1978)Reference
Engine
Engine
261.0 kWReference
261.0 kWReference
Drawbar (claimed)
231.9 kWReference
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Displacement
14.8 LReference
14.0 LReference
Bore/Stroke
140 x 121 mmReference
140 x 152 mmReference
Power
261.0 kWReference
261.0 kWReference
Compression
15.5:1Reference
14:1Reference
Rated RPM
2600Reference
2100Reference
Idle RPM
830-2860Reference
—
Torque
1149.9 NmReference
—
Torque RPM
1800Reference
—
Starter volts
12Reference
—
Oil capacity
36.0 LReference
—
Coolant capacity
64.4 LReference
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Transmission
Transmission
Spicer SST 1010Reference
SpicerReference
Gears
20 forward and 4 reverseReference
14 forward and 4 reverseReference
Clutch
394mm dry discReference
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Capacities
Fuel
1010.6 LReference
1324.8 LReference
PTO & Hydraulics
Hydraulic system
124.9 LReference
212.0 LReference
Type
open centerReference
—
Capacity
124.9 LReference
212.0 LReference
Pressure
155.1 barReference
140.0 barReference
Valves
4Reference
—
Pump flow
113.9 lpmReference
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Rear Type
IIIReference
—
Total flow
—
182.0 lpmReference
Dimensions
Wheelbase
325 cmReference
391 cmReference
Weight
12111 kgReference
18361 kgReference
Front tire
20.8-34Reference
18.4x26Reference
Rear tire
20.8-34Reference
33.5x33Reference
Ag front
20.8-34Reference
18.4x26Reference
Ag rear
20.8-34Reference
33.5x33Reference
Length
640 cmReference
655 cmReference
Width
243 cmReference
358 cmReference
Height (exhaust)
395 cmReference
—
Shipping weight
12111 kgReference
—
Max weight
15422 kgReference
—
Front axle
Raba 598Reference
—
Height
—
347 cmReference
Operating weight
—
23133 kgReference
Ground clearance
—
48 cmReference
Panther III ST-350 Serial Numbers
1977
139-00001Reference
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1978
139-00011Reference
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1979
139-00031Reference
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1980
139-00061Reference
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1981
139-00069Reference
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Electrical
Ground
negativeReference
—
Charging system
alternatorReference
—
Charging amps
90Reference
—
Batteries
2Reference
—
Battery volts
12Reference
—
Battery AH
208Reference
—
Battery Group
8DReference
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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.