Steiger Tiger IV KP-525

The Steiger Tiger IV KP-525 is a tractor produced by Steiger. It is equipped with a 1150 ci 18.8 L engine. The listed engine power is Diesel (listed): 525 hp / 391.5 kW. Transmission: Allison CLT 5961. Operating weight: 40720 lbs 18470 kg.

Engine Power

Diesel (listed): 525 hp / 391.5 kW

Fuel & Capacities

385 gal 1457.2 L

Transmission

Allison CLT 5961

Operating Weight

40720 lbs 18470 kg

Overview

	1984 - 1986 IV SeriesFour-wheel Drive (4WD) tractor IV Series Four-wheel Drive (4WD) tractor

Production
Manufacturer	Steiger
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA

Variants
9190	similar CaseIH model

Steiger Tiger IV KP-525 Engine
Cummins 18.8L 6-cyl diesel
Engine details ...

Steiger Tiger IV KP-525 Transmission
24-speed six-speed power shift
Transmission details ...

Steiger Tiger IV KP-525 Power
Engine	525 hp 391.5 kW
Drawbar (claimed)	420 hp 313.2 kW

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

Capacity
Fuel	385 gal 1457.2 L
Hydraulic system	48 gal 181.7 L

Hydraulics
Type	open center
Capacity	48 gal 181.7 L
Pressure	2250 psi 155.1 bar
Valves	4 or 5
Pump flow	38 gpm 143.8 lpm

Dimensions & Tires
Wheelbase	150 inches 381 cm
Weight	40720 lbs 18470 kg
Front tire	30.5L-32
Rear tire	30.5L-32
Full dimensions and tires ...

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

References

Tiger IV published in 1984, by Steiger
The Steiger Line published in 1983
Steiger Tractor, Inc. published in 1986

Engine

Engine Detail — 1150 ci / 18.8 L Diesel

Manufacturer	Cummins KTA 1150-A525
Configuration	turbocharged aftercooled diesel, 6-cylinder, liquid-cooled inline
Displacement	1150 ci 18.8 L
Bore/Stroke	6.25x6.25 inches 159 x 159 mm
Power	525 hp 391.5 kW
Compression	15.1:1
Rated RPM	2100
Torque	1575 lb-ft 2135.7 Nm
Torque RPM	1500
Starter type	electric
Oil capacity	76 qts 71.9 L
Coolant capacity	112 qts 106.0 L

Transmission

Transmission — Allison CLT 5961

Transmission	Allison CLT 5961
Type	six-speed power shift
Gears	24 forward and 4 reverse
Six-speed power shift transmission with four-speed transfer case and torque converter.

Dimensions

Steiger Tiger IV KP-525 Tires
Ag front	30.5L-32
Ag rear	30.5L-32

Dimensions
Wheelbase	150 inches 381 cm
Length	290.7 inches 738 cm
Width	96 inches*Width over tractor fenders. 243 cm
	190.8 inches*Width over standard dual tires. 484 cm
Height (exhaust)	161 inches 408 cm
Shipping weight	40720 lbs 18470 kg
Max weight	50000 lbs 22680 kg
Ground clearance	23.1 inches 58 cm

Photos

Steiger Tiger IV front view.

Steiger Tiger IV, right side.

Steiger Tiger IV, left side.

Recommended Implements & Sizing Guide

Engineering recommendations for Steiger Tiger IV KP-525 based on its 525 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 Tiger IV KP-525.

Estimated Continuous Field Runtime: 14.1 hrs

Approximately 14.1 hours of continuous field operation at ~75% rated power on a full tank (385 gal / 1457.4 L).

Estimated 75% Load Fuel Burn~27.3 gal/hr (103.3 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