
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:
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 |
| Manufacturer | International Harvester |
|---|---|
| Total built | 2,572 |
Dimension and Tires Information of International Harvester, 3688
This section sums up the dimension and tires information of the tractor.
| Rear tread | 66 to 128.5 inches [167 to 326 cm] |
|---|---|
| Wheelbase | 105 inches [266 cm] |
| Shipping weight | 11300 lbs [5125 kg] |
| Height (cab) | 112 inches [284 cm] |
| Length | 184 inches [467 cm] |
| Rear axle | 3.25 by 104 inches [82 by 2641 mm] |
| Operating weight | 13200 lbs [5987 kg] |
| Width | 102 inches*Width at minimum tread. [259 cm] |
| Front tread | 60 to 84 inches [152 to 213 cm] |
| Rear axle | 3.25 by 118 inches [82 by 2997 mm] |
| Ground clearance | 13 inches [33 cm] |
| Ag front | 11L-15 |
|---|---|
| Ag rear | 18.4-34 |
Engine Specifications of International Harvester, 3688
Get the specifications for the engine and if different options are available.
| Liquid-cooled |
| 6-cylinder |
| Starter volts | 12 |
|---|---|
| Displacement | 436 ci [7.1 L] |
| Oil capacity | 14 qts [13.2 L] |
| Compression | 16:1 |
| Bore/Stroke | 4.30x5.00 inches [109 x 127 mm] |
| Coolant capacity | 26 qts [24.6 L] |
| Idle RPM | 900-2400 |
| Rated RPM | 2400 |
| Air cleaner | Dual 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. |
| Type | Partial power shift |
|---|---|
| Oil capacity | 90 qts [85.2 L] |
| Gears | 16 forward and 8 reverse |
| Clutch | 355.6mm 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 drives | Bull gear |
|---|---|
| Differential lock | Rear |
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 PTO | Independent |
|---|---|
| 1000@2100 | |
| Rear PTO Type | 540/1000 (1.375) |
| Engine RPM | 540@2100 |
Hydraulics Specifications of International Harvester, 3688
Hydraulic system type, pressure, pump flow and valves.
| Type | Closed center |
|---|---|
| Total flow | 27 gpm [102.2 lpm] |
| Pump flow | 18 gpm [68.1 lpm] |
| Capacity | 22.5 gal [85.2 L] |
| Steering flow | 12 gpm [45.4 lpm] |
| Valves | 2 to 4 |
Three-Point Hitch of International Harvester, 3688
Hitch category and rear/front lift capacity.
| Rear Type | II |
|---|---|
| Control | Draft sensing |
Electrical System of International Harvester, 3688
Battery voltage, charging system and ground.
| Ground | Negative |
|---|---|
| Battery volts | 12 |
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.