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Used International Harvester 686 Tractors for Sale (3 listings)

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1979 International Harvester 686 40-99 HP
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1979 International Harvester 686

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$16,500 USD
Drive: 2 WD
HP: 66
Hours: 4630
Wheel Type: Tires
Super Sharp Newer paint Lo hours only 4630 original hours. 16.9 x 38 drive tires 90%/ 7.5 x 16 front tires 40%. We changed all fluids and filters and greased This tractor is ready to use. 3 point hit... See all seller comments
$16,500 USD
Marlette, MI
(989) 966-0090
  AUCTION
1980 International Harvester 686 40-99 HP
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1980 International Harvester 686

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1980 International 686 2WD Tractor, 8323.1 Hrs Showing, International Harvester 5.1L 6-Cylinder Diesel, Water Cooled Engine, 2 Speed Power Shift Transmission, 10 Forward & 2 Reverse Speeds, Torque... See all seller comments
Auction ends
May 22

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BigIron Auctions
 International Harvester 686 40-99 HP
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International Harvester 686

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International Harvester 686 Specs

Overview

Capacity
Fuel
31 gal (117.3 L)
Hydraulic system
16 gal (60.6 L)
Hydraulics
Capacity
16 gal (60.6 L)
Total flow
12 gpm (45.4 lpm)
Mechanical
Chassis
4x2 2WD
Steering
hydrostatic power
Production
Total built
6,000
Manufacturer
International Harvester
Original price (USD)
$14,700 (1980)
3-Point Hitch
Rear Type
2

686 Serial Numbers*

*General guideline: If your serial number is in between two years, your tractor is the earlier year.
1976
7500
1977
7729
1978
9899
1979
11417
1980
12923
Location
Clutch housing on right side.
Dimensions & Tires
Weight
7770 to 10340 pounds
Rear tire
15.5-38
Wheelbase
103 inches (261 cm)
Front tire
7.50-16
Power Take-off (PTO)
Rear PTO
independent
Rear RPM
540
International Harvester 686 Power
PTO (tested)
66.36 hp (49.5 kW)
Drawbar (tested)
58.01 hp (43.3 kW)

Engine

Engine Detail
291 ci (4.8 L), 310 ci (5.1 L), 312 ci (5.1 L), 6-cylinder, diesel, gasoline, International Harvester C291, International Harvester D310, International Harvester D-312, liquid-cooled
Rated RPM
2000
Air cleaner
dry
Bore/Stroke
3.75x4.39 inches (95 x 112 mm), 3.875x4.375 inches (98 x 111 mm), 3.875x4.410 inches (98 x 112 mm)
Oil capacity
12 qts (11.4 L)
Starter volts
12
Coolant capacity
21 qts (19.9 L)

Transmission

Transmission
Gears
10 forward and 2 reverse
Speeds
With 15.5-38 rear tires.
Oil capacity
64 qts (60.6 L)
Transmission
Torque Amplifier

Dimensions

Dimensions
Width
89.4 inches (227 cm) (min)
Height
105 inches (266 cm) (exhaust)
Length
162 inches (411 cm) (with 3-point)
Wheelbase
103 inches (261 cm)
Weight (shipping)
7,770 lbs (3524 kg) (diesel)
Weight (ballasted)
10,340 lbs (4690 kg)
International Harvester 686 Tires
Ag rear
15.5-38
Ag front
7.50-16

Tests

Nebraska Tractor Test 1151
Type
312 diesel Torque Amplifier 2WD
Test Date
November 3 - 14, 1973
Test report
PDF file
Max pull gear
2-TA
Drawbar pull (max)
8,012 lbs (3634 kg)
Drawbar power (max)
58.01 hp (43.3 kW)
Drawbar fuel use (max)
4.6 gal/hour (17.4 l/hour)
PTO fuel use (engine speed)
4.7 gal/hour (17.8 l/hour)
PTO power (rated engine speed)
66.29 hp (49.4 kW)
Nebraska Tractor Test 1152
Type
Gasoline Torque Amplifier 2WD
Test Date
November 5 - December 3, 1973
Test report
PDF file
Max pull gear
2-TA
Drawbar pull (max)
7,981 lbs (3620 kg)
Drawbar power (max)
57.29 hp (42.7 kW)
Drawbar fuel use (max)
5.7 gal/hour (21.6 l/hour)
PTO fuel use (engine speed)
12.0 gal/hour (45.4 l/hour)
PTO power (rated engine speed)
66.30 hp (49.4 kW)
Nebraska Tractor Test 1336
Type
310 diesel Torque Amplifier 2WD
Test Date
March 26 - April 16, 1980
Test report
PDF file
Max pull gear
1-Direct
Drawbar pull (max)
8,013 lbs (3634 kg)
Drawbar power (max)
57.71 hp (43.0 kW)
Drawbar fuel use (max)
4.1 gal/hour (15.5 l/hour)
PTO fuel use (engine speed)
4.1 gal/hour (15.5 l/hour)
PTO power (rated engine speed)
66.36 hp (49.5 kW)
This data is sourced from the public domain and Machinery Pete cannot guarantee accuracy.