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International Harvester 3688

International Harvester 3688 tractor photo
1981 - 1985   30 Series
Row-Crop tractor
Previous model:International Harvester 986
Series back:International Harvester 3488




 

Production:

Manufacturer:International Harvester
Factory:Rock Island, Illinois, USA
Total built:2,572
Original price (USD)
   $45,000 (1981 )
 

Variants:

3688 Hi-Clear:high-clearance model
 

International Harvester 3688 Engine:

   International Harvester 7.1L 6-cyl diesel
full engine details ...
 

Capacity:

Fuel:50 gal [189.3 L]
Hydraulic system:22.5 gal [85.2 L]
 

3-Point Hitch:

Rear Type:II
Control:draft sensing
 

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:540/1000
Engine RPM:540@2100
1000@2100
 

Dimensions & Tires:

Wheelbase:105 inches [266 cm]
Weight:11300 to 13200 pounds
Front tire:11L-15
Rear tire:18.4-34
full dimensions and tires ...
 

3688 Serial Numbers:

Location:Serial number plate on the right side of the tractor frame, ahead of the rear axle.
1981: 501
1982: 1743
1983: 2482
1984: 2695
1985: 3068

how to read serial numbers...

 

International Harvester 3688 Power:

Drawbar (claimed):100.2 hp [74.7 kW]
PTO (claimed):113 hp [84.3 kW]
Drawbar (tested):99.21 hp [74.0 kW]
PTO (tested):113.72 hp [84.8 kW]
power test details ...
 

Mechanical:

Chassis:4x2 2WD
 4x4 MFWD 4WD
Steering:power
Brakes:hydraulic wet disc
Cab:Cab standard with heat and A/C. Optional burgundy or western finish interiors.
 

Hydraulics:

Type:closed center
Capacity:22.5 gal [85.2 L]
Valves:2 to 4
Pump flow:18 gpm [68.1 lpm]
Total flow:27 gpm [102.2 lpm]
Steering flow:12 gpm [45.4 lpm]
 

Electrical:

Ground:negative
 

Battery:

Volts:12
 

Page information:

Last update:October 31, 2017
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