Steiger Cougar III PTA-270

The Steiger Cougar III PTA-270 is a tractor produced by Steiger. It is equipped with a 638 ci 10.5 L engine. The listed engine power is Diesel (listed): 270 hp / 201.3 kW. Transmission: Allison HT 754. Operating weight: 25500 lbs 11566 kg.

Engine Power

Diesel (listed): 270 hp / 201.3 kW

Fuel & Capacities

225 gal 851.6 L

Transmission

Allison HT 754

Operating Weight

25500 lbs 11566 kg

Overview

	1980 - 1981 III SeriesFour-wheel Drive (4WD) tractor III Series Four-wheel Drive (4WD) tractor

Production
Manufacturer	Steiger
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA
Original price was $87,000 in 1981

Steiger Cougar III PTA-270 Engine
Caterpillar 10.5L 6-cyl diesel
Engine details ...

Steiger Cougar III PTA-270 Transmission
10-speed
Transmission details ...

Steiger Cougar III PTA-270 Power
Engine	270 hp 201.3 kW
Drawbar (claimed)	229 hp 170.8 kW
PTO (claimed)	125 hp 93.2 kW

Mechanical
Four-wheel drive
Final drives	outboard planetary
Articulated power steering
Hydraulic disc brakes
Safari Cab standard with air-conditioning.

Capacity
Fuel	225 gal 851.6 L
Hydraulic system	22 gal 83.3 L

Hydraulics
Type	open center
Capacity	22 gal 83.3 L
Valves	4
Pump flow	29.2 gpm 110.5 lpm
SCV flow	20 gpm 75.7 lpm

Tractor hitch
Rear Type	III OptOptional

Dimensions & Tires
Wheelbase	132.5 inches 336 cm
Weight	25500 lbs 11566 kg
Front tire	18.4-38
Rear tire	18.4-38
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	90
Batteries	4
Battery volts	12

Engine

Engine Detail — 638 ci / 10.5 L Diesel

Manufacturer	Caterpillar 3306TA
Configuration	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	270 hp 201.3 kW
Compression	17.5:1
Rated RPM	2200
Idle RPM	600-2470
Torque	775 lb-ft 1050.9 Nm
Torque RPM	1400
Starter type	electric
Oil capacity	29 qts 27.4 L
Coolant capacity	70 qts 66.2 L

Transmission

Transmission — Allison HT 754

Transmission	Allison HT 754
Gears	10 forward and 2 reverse

Dimensions

Steiger Cougar III PTA-270 Tires
Ag front	18.4-38
Ag rear	18.4-38
Ag front	24.5-32
	30.2-35
Ag rear	24.5-32
	30.2-35

Dimensions
Wheelbase	132.5 inches 336 cm
Weight	25500 lbs 11566 kg
Max weight	34000 lbs 15422 kg
Ground clearance	21 inches 53 cm

Recommended Implements & Sizing Guide

Engineering recommendations for Steiger Cougar III PTA-270 based on its 270 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 III PTA-270.

Estimated Continuous Field Runtime: 16 hrs

Approximately 16 hours of continuous field operation at ~75% rated power on a full tank (225 gal / 851.7 L).

Estimated 75% Load Fuel Burn~14 gal/hr (53.1 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