Steiger Cougar
The Steiger Cougar is a tractor produced by Steiger. It is equipped with a 638 ci 10.5 L engine. The listed engine power is Diesel (listed): 300 hp / 223.7 kW. Transmission: Dana 1010. Operating weight: 21000 to 26000 pounds.
Engine Power
Diesel (listed): 300 hp / 223.7 kW
Fuel & Capacities
207 gal
783.5 L
Transmission
Dana 1010
Operating Weight
26000 lbs
11793 kg
Overview
 | 1971 - 1974
I SeriesFour-wheel Drive (4WD) tractor
I Series
Four-wheel Drive (4WD) tractor |
|---|
Production | |
|---|---|
Manufacturer | Steiger |
Four-wheel Drive (4WD) tractor | |
Built in Fargo, North Dakota, USA | |
Original price was $49,000 in 1974 | |
Steiger Cougar Engine | |
|---|---|
Caterpillar 10.5L 6-cyl diesel | |
Engine details ...  |
Steiger Cougar Transmission | |
|---|---|
10-speed gear | |
Transmission details ...  |
Steiger Cougar Power | |
|---|---|
Engine | 300 hp
223.7 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Final drives | outboard planetary |
Articulated power steering | |
Cab standard with available air-conditioning. | |
Capacity | |
|---|---|
Fuel | 207 gal
783.5 L |
Hydraulic system | 38 gal
143.8 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 38 gal
143.8 L |
Pressure | 2000 psi
137.9 bar |
Valves | 3 |
Pump flow | 25 gpm
94.6 lpm |
Steering flow | 16 gpm
60.6 lpm |
Steering press. | 1500 psi
103.4 bar |
Tractor hitch | |
|---|---|
Rear Type | IV OptOptional |
Rear lift | 8000 lbs
3628 kg |
Dimensions & Tires | |
|---|---|
Wheelbase | 121.5 inches
308 cm |
Weight | 21000 to 26000 pounds |
Front tire | 23.1-30 |
Rear tire | 23.1-30 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | 12 |
Charging system | alternator |
Charging amps | 62 |
Batteries | 2 |
Battery volts | 12 |
References | |
|---|---|
 | |
Cougar published in 1971, by Steiger | |
Operator's Manual Cougar - Tiger (GA 1003R) published in 1975 | |
Steiger Identification Guide: 1969-1998 published by Case IH |
Engine
Engine Detail — 638 ci / 10.5 L Diesel
Manufacturer | Caterpillar D333T |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled inline |
Displacement | 638 ci
10.5 L |
Bore/Stroke | 4.75x6.00 inches
121 x 152 mm |
Power | 300 hp
223.7 kW |
Air cleaner | dry |
Rated RPM | 2200 |
Torque | 681 lb-ft
923.4 Nm |
Torque RPM | 1550 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 25 qts
23.7 L |
Coolant capacity | 60 qts
56.8 L |
Transmission
Transmission — Dana 1010
Transmission | Dana 1010 |
Type | gear |
Gears | 10 forward and 2 reverse |
Clutch | dry disc |
With 23.1x30 tires. | |
 | |
Dimensions
Steiger Cougar Tires | |
|---|---|
Ag front | 23.1-30 |
Ag rear | 23.1-30 |
Ag front | 30.5-32 |
24.5-32 | |
20.8-38 | |
Ag rear | 30.5-32 |
24.5-32 | |
20.8-38 | |
Dimensions | |
|---|---|
Wheelbase | 121.5 inches
308 cm |
Length | 244 inches
619 cm |
Width | 96 inches
243 cm |
Height (cab) | 133.25 inches
338 cm |
Shipping weight | 21000 lbs
9525 kg |
Operating weight | 26000 lbs
11793 kg |
Ground clearance | 16.75 inches
42 cm |
Photos
Steiger Cougar
Recommended Implements & Sizing Guide
Engineering recommendations for Steiger Cougar based on its 300 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Steiger Cougar.
Estimated Continuous Field Runtime: 13.3 hrs
Approximately 13.3 hours of continuous field operation at ~75% rated power on a full tank (207 gal / 783.6 L).
Estimated 75% Load Fuel Burn~15.6 gal/hr (59.1 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Steiger Cougar Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Steiger Cougar.
Converted Equivalents:
Horsepower (HP)300 hp
Kilowatts (kW)223.7 kW
Metric Horsepower (PS / CV)304.2 PS
Direct Competitor Comparison
Compare Steiger Cougar against same-era industry alternatives in the same horsepower class.
Current Model
Steiger
Steiger Cougar
Engine Power:Diesel (listed): 300 hp / 223.7 kW
★ Baseline Reference
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