International Harvester 3488

The International Harvester 3488 is a tractor produced by International Harvester. It is equipped with a 466 ci 7.6 L engine. The listed engine power is 112.56 hp 83.9 kW. Transmission: infinite forward and reverse (2-range). Operating weight: 11600 to 12880 pounds.

Engine Power

112.56 hp 83.9 kW

Fuel & Capacities

50 gal 189.2 L

Transmission

infinite forward and reverse (2-range)

Operating Weight

12880 lbs 5842 kg

Overview

	1981 - 1984 30 SeriesRow-Crop tractor 30 Series Row-Crop tractor

Production
Manufacturer	International Harvester
Row-Crop tractor
Built in Rock Island, Illinois, USA
Total built	465
Original price was $50,000 in 1984

International Harvester 3488 Engine
International Harvester 7.6L 6-cyl diesel
Engine details ...

International Harvester 3488 Transmission
hydrostatic
Transmission details ...

International Harvester 3488 Power
Drawbar (claimed)	83 hp 61.9 kW
PTO (claimed)	112 hp 83.5 kW
Drawbar (tested)	80.50 hp 60.0 kW
PTO (tested)	112.56 hp 83.9 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Power steering
Hydraulic wet disc brakes
Cab standard with heat and A/C. Optional burgundy or western finish interiors.

Capacity
Fuel	50 gal 189.2 L
Hydraulic system	28.5 gal 107.9 L

Hydraulics
Type	closed center
Capacity	28.5 gal 107.9 L
Valves	2 or 3
Pump flow	18 gpm 68.1 lpm
Total flow	27 gpm 102.2 lpm
Steering flow	12 gpm 45.4 lpm

Tractor hitch
Rear Type	II
Control	draft sensing

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000
Engine RPM	540@2100
	1000@2100

Dimensions & Tires
Wheelbase	105 inches 266 cm
Weight	11600 to 12880 pounds
Front tire	10.00-16
Rear tire	18.4-34
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

References

International 30 Series Tractors published by International Harvester
Operator's Manual 3088, 3288, 3488-Hydro and 3688 Tractors (1258513C1) published in 1981

Engine

Engine Detail — 466 ci / 7.6 L Diesel

Manufacturer	International Harvester D466
Fuel Type	Diesel
Configuration	6-cylinder, liquid-cooled
Displacement	466 ci 7.6 L
Bore/Stroke	4.30x5.35 inches 109 x 136 mm
Air cleaner	dual paper elements
Compression	15.7:1
Rated RPM	2400
Idle RPM	900-2400
Starter volts	12
Coolant capacity	30 qts 28.4 L
Oil capacity	14 qts 13.2 L

Transmission

Transmission — infinite forward and reverse (2-range) hydrostatic

Type	hydrostatic
Gears	infinite forward and reverse (2-range)
Oil capacity	114 qts 107.9 L

Dimensions

International Harvester 3488 Tires
Ag front	10.00-16
Ag rear	18.4-34

Dimensions
Wheelbase	105 inches 266 cm
Length	184 inches 467 cm
Width	102 inches*Width at minimum tread. 259 cm
Height (cab)	112 inches 284 cm
Shipping weight	11600 lbs 5261 kg
Operating weight	12880 lbs 5842 kg
Ground clearance	13 inches 33 cm
Rear axle	3.25 by 104 inches 82 by 2641 mm
Rear axle	3.25 by 118 inches 82 by 2997 mm
Front tread	60 to 84 inches 152 to 213 cm
Rear tread	66 to 114.5 inches 167 to 290 cm

Tests

Nebraska Tractor Test 1439
Diesel hydrostatic 2WD June 8 - 14, 1982 Link: Nebraska Tractor Test 1439 file
PTO performance
Power at rated engine speed	112.56 hp 83.9 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Power at rated PTO speed	107.11 hp 79.9 kW
Fuel use	7.0 gal/hour 26.5 l/hour
Drawbar performance
Max power	80.50 hp 60.0 kW
Fuel use	8.1 gal/hour 30.7 l/hour
Gear 6.2 MPH (HI) used for power test.
Max pull	12,152 lbs 5512 kg
Gear 2.3 MPH (LO) used for pull test.

Photos

International Harvester 3488

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 3488 based on its 112.56 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm)	Heavy Duty	Heavy primary tillage; semi-mounted hitch recommended.
Rotary Cutter / MowerMowing & Clearing	10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼	Heavy Duty	Wide swath pasture and crop residue shredding.
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	10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙	Heavy Duty	Aggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage	5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机	Heavy Duty	High density baling; requires minimum 85 PTO HP.

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 3488.

Estimated Continuous Field Runtime: 8.5 hrs

Approximately 8.5 hours of continuous field operation at ~75% rated power on a full tank (50 gal / 189.3 L).

Estimated 75% Load Fuel Burn~5.9 gal/hr (22.2 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