International Harvester 3688 tractor

International Harvester 3688

Power

125 hp[P] hp

Production

1981-1985

Engine

6-cylinder

Transmission

Partial power shift

Weight

13200 lbs [5987 kg]

Drive

2WD/4WD

From the same series:

3488

Introduction

Production Information of International Harvester, 3688

The production information of the tractor (3688) includes details about its manufacturing.

Original price was $45,000 in 1981
Row-Crop tractor
Built in Rock Island, Illinois, USA
ManufacturerInternational Harvester
Total built2,572

Dimension and Tires Information of International Harvester, 3688

This section sums up the dimension and tires information of the tractor.

Rear tread66 to 128.5 inches [167 to 326 cm]
Wheelbase105 inches [266 cm]
Shipping weight11300 lbs [5125 kg]
Height (cab)112 inches [284 cm]
Length184 inches [467 cm]
Rear axle3.25 by 104 inches [82 by 2641 mm]
Operating weight13200 lbs [5987 kg]
Width102 inches*Width at minimum tread. [259 cm]
Front tread60 to 84 inches [152 to 213 cm]
Rear axle3.25 by 118 inches [82 by 2997 mm]
Ground clearance13 inches [33 cm]
Ag front11L-15
Ag rear18.4-34

Engine Specifications of International Harvester, 3688

Get the specifications for the engine and if different options are available.

Liquid-cooled
6-cylinder
Starter volts12
Displacement436 ci [7.1 L]
Oil capacity14 qts [13.2 L]
Compression16:1
Bore/Stroke4.30x5.00 inches [109 x 127 mm]
Coolant capacity26 qts [24.6 L]
Idle RPM900-2400
Rated RPM2400
Air cleanerDual dry elmement

Transmission Information of International Harvester, 3688Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1

Left lever selects gear, right lever selects high, low, or reverse range. Tractor may be shifted on the move without the clutch between gear pairs (1-2, 3-4, etc). Synchronized shifting, using the clutch, between gear pairs (2 to 3, 4 to 5, etc). The transmission is four-gear with the powershift provided by an electric solenoid actuated Torque Amplifier.
TypePartial power shift
Oil capacity90 qts [85.2 L]
Gears16 forward and 8 reverse
Clutch355.6mm cerametallic disc

Mechanical Specs of International Harvester, 3688Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two- or four-wheel drive
Hydraulic wet disc brakes
Power steering
Cab standard with heat and air-conditioning. Optional burgundy or western finish interiors.
Final drivesBull gear
Differential lockRear

Power Information of International Harvester, 3688Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.

Rear PTOIndependent
1000@2100
Rear PTO Type540/1000 (1.375)
Engine RPM540@2100

Hydraulics Specifications of International Harvester, 3688

Hydraulic system type, pressure, pump flow and valves.

TypeClosed center
Total flow27 gpm [102.2 lpm]
Pump flow18 gpm [68.1 lpm]
Capacity22.5 gal [85.2 L]
Steering flow12 gpm [45.4 lpm]
Valves2 to 4

Three-Point Hitch of International Harvester, 3688

Hitch category and rear/front lift capacity.

Rear TypeII
ControlDraft sensing

Electrical System of International Harvester, 3688

Battery voltage, charging system and ground.

GroundNegative
Battery volts12

Frequently asked questions

How much horsepower does the International Harvester 3688 have?

The International Harvester 3688 delivers 125 hp[P] HP.

What years was the International Harvester 3688 produced?

The International Harvester 3688 was produced in 1981-1985.

What engine does the International Harvester 3688 have?

The International Harvester 3688 is powered by a 6-cylinder engine.

What transmission does the International Harvester 3688 use?

The International Harvester 3688 uses a Partial power shift transmission.

How much does the International Harvester 3688 weigh?

The International Harvester 3688 weighs 13200 lbs [5987 kg].

Is the International Harvester 3688 4WD?

The International Harvester 3688 is available in 2WD/4WD.

Compare the International Harvester 3688 with another model