International Harvester 5488

The International Harvester 5488 is a tractor produced by International Harvester. It is equipped with a 466 ci 7.6 L engine. The listed engine power is 187.22 hp 139.6 kW. Transmission: Synchro Tri-Six (STS). Operating weight: 14710 to 17240 pounds.

Engine Power

187.22 hp 139.6 kW

Fuel & Capacities

87 gal 329.3 L

Transmission

Synchro Tri-Six (STS)

Operating Weight

14710 to 17240 pounds

Overview

	1981 - 1985 50 SeriesRow-Crop tractor 50 Series Row-Crop tractor

Production
Manufacturer	International Harvester
Row-Crop tractor
Built in Rock Island, Illinois, USA
Total built	3,951
Original price	$66,615 (1985 2WD )
	$78,340 (1985 4WD )

International Harvester 5488 Engine
International Harvester 7.6L 6-cyl diesel
Engine details ...

International Harvester 5488 Transmission
18-speed partial power shift
Transmission details ...

International Harvester 5488 Power
Drawbar (claimed)	163 hp 121.5 kW
PTO (claimed)	185 hp 138.0 kW
Drawbar (tested)	163.44 hp 121.9 kW
PTO (tested)	187.22 hp 139.6 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Final drives	planetary
Differential lock	mechanical rear
Power steering
Hydraulic wet disc brakes
Cab standard with heat and air-conditioning. Optional burgundy or western interior finish.

Capacity
Fuel	87 gal 329.3 L
Hydraulic system	43.5 gal 164.6 L

Hydraulics
Type	closed center
Capacity	43.5 gal 164.6 L
Valves	2
Pump flow	25 gpm 94.6 lpm
	40 gpmOptOptional 151.4 lpm
Total flow	67 gpm 253.6 lpm
	82 gpmOptOptional 310.4 lpm
Steering flow	12 gpm 45.4 lpm

Tractor hitch
Rear Type	III
Rear lift	8076 lbs 3663 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	111.6 inches 283 cm
Weight	14710 to 17240 pounds
Front tire	14L-16.1
Rear tire	20.8-38
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

References

Buyer's Guide 1982 published by International Harvester
The New Number One! - Tractors 135/160/185 HP published in 1981, by International Harvester
50 Series Tractors published in 1985, by International Harvester

Engine

Engine Detail — 466 ci / 7.6 L Diesel

Manufacturer	International Harvester DTI-466B
Configuration	intercooled turbocharged diesel, 6-cylinder, liquid-cooled inline
Displacement	466 ci 7.6 L
Bore/Stroke	4.30x5.35 inches 109 x 136 mm
Rated RPM	2400
Idle RPM	800-2660
Starter volts	12
Oil capacity	20 qts 18.9 L
Coolant capacity	33 qts 31.2 L

Transmission

Transmission — Synchro Tri-Six (STS)

Transmission	Synchro Tri-Six (STS)
Type	partial power shift
Gears	18 forward and 6 reverse
Oil capacity	174 qts 164.7 L
Left lever selects gear, right lever selects high, medium, low, or reverse range. Clutch-free on-the-move powershifting in gear pairs 1/2, 3/4, and 5/6. Synchronized on-the-move shifting (with the clutch) between pairs.
With 20.8-38 rear tires.

Dimensions

International Harvester 5488 Tires
Ag front	14L-16.1
Ag rear	20.8-38

Dimensions
Wheelbase	111.6 inches 283 cm
Length	196.6 inches 499 cm
Width	114 inches 289 cm
Height	116 inches 294 cm
Ground clearance	18.3 inches 46 cm
Bar rear axle	4.00 by 114 inches 101 by 2895 mm
Front tread	62 to 86 inches 157 to 218 cm

International Harvester 5488 Weight
2WD Shipping	14710 lbs 6672 kg
4WD Shipping	15906 lbs 7214 kg
Operating	17240 lbs 7820 kg

Tests

Nebraska Tractor Test 1441
Diesel 18-speed 2WD May 26 - June 8, 1982 Link: Nebraska Tractor Test 1441 file
PTO performance
Power at rated engine speed	187.22 hp 139.6 kW
Fuel use	11.6 gal/hour 43.9 l/hour
Drawbar performance
Max power	163.44 hp 121.9 kW
Fuel use	11.5 gal/hour 43.5 l/hour
Max pull	18,646 lbs 8457 kg

Photos

International Harvester 5488

International 5488 with four-wheel drive.

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 5488 based on its 187.22 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	5 to 7 Bottom (18")5 - 7 铧 (45 cm)	Commercial / Field Scale	Large acreage tillage; requires front ballast weights.
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	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
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 International Harvester 5488.

Estimated Continuous Field Runtime: 8.9 hrs

Approximately 8.9 hours of continuous field operation at ~75% rated power on a full tank (87 gal / 329.3 L).

Estimated 75% Load Fuel Burn~9.7 gal/hr (36.9 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