international harvester 686
![]() | 1976 - 1980 | 1976 - 1980 |
---|---|---|
1976 - 1980 |
1976 - 1980 |
---|
Production | |
---|---|
Manufacturer | International Harvester |
Total built | 6,000 |
Original price was $14,700 in 1980 | |
The International Harvester 686 is nearly identical to the IH 666, it was simply renamed when the 86 series arrived in 1976. One major change did occur in 1979, when the 310 diesel replaced the 312. |
International Harvester 686 Engines | |
---|---|
International Harvester 5.1L 6-cyl diesel | |
International Harvester 4.8L 6-cyl gasoline | |
Engine details ... ![]() |
International Harvester 686 Transmission | |
---|---|
10-speed two-speed power shift | |
Transmission details ... ![]() |
International Harvester 686 Power | |
---|---|
Drawbar (tested) | 58.01 hp
43.3 kW |
PTO (tested) | 66.36 hp
49.5 kW |
Performance test details ... ![]() |
Mechanical | |
---|---|
Two-wheel drive | |
Power steering | |
Disc brakes | |
Two-post fixed ROPS. |
Photos | |
---|---|
![]() | |
International Harvester 686 photos... ![]() |
Capacity | |
---|---|
Fuel | 31 gal
117.3 L |
Hydraulic system | 16 gal
60.6 L |
Hydraulics | |
---|---|
Type | open center |
Capacity | 16 gal
60.6 L |
Total flow | 12 gpm
45.4 lpm |
Tractor hitch | |
---|---|
Rear Type | II |
Power Take-off (PTO) | |
---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
---|---|
Wheelbase | 103 inches
261 cm |
Weight | 7770 lbs
3524 kg |
Front tire | 7.50-16 |
Rear tire | 15.5-38 |
Full dimensions and tires ... ![]() |
686 Serial Numbers | |
---|---|
Location: | Clutch housing on right side. |
1976 | 7500 |
1977 | 7729 |
1978 | 9899 |
1979 | 11417 |
1980 | 12923 |
FAQ: How to read a serial number table. |
References | |
---|---|
![]() | |
1979 Buyer's Guide published by International Harvester | |
Agricultural Equipment Reference Catalog published in 1980, by International Harvester |
Recommended Products
Advertisement · Featured Tractor-Related Products

Xprite 30 LED Amber Forklift Beacon Strobe Light Safety Warning Flashing Lights
★ FEATURE: This Warning Beacon Strobe Light Total of 30 High Brightness SMD 5730 LEDs with Low Polycarbonate Dome, More Clearer Vision Can Provides 360 Degrees of Coverage. Lifespan Up to 50,000 Hours. ★ PATTERN: 3 Bright Flashes With 1 Second In Between. Durable PC Lens And Better Light Quality. Low Power Consumption And Low Heat. Self-Contained LED, No External Flasher Required.

Bright LED Bulbs Cool White compatible
HQRP® 2-Pack BA15S LED Bulbs Replacement; Bulb Type: BA15S Base (Single Contact); Working Voltage:12-24V DC; Lumen: 250-300; Way brighter than regular lights;

John Deere Original Equipment Green Spray Paint
OEM John Deere Part Number: TY25624 Lead-free formulation - user-friendly and environmentally safe. Suitable for exterior or interior use High-quallity, long-lasting, color-fast paints for weather-proven performance in field testing

JZGRDN Left Warning Lamp
art Name: Left Warning Lamp Part Number: LVA11213 Compatible with John Deere 4010 4110 4115 Tractors Condition: New&Easy Installation Package Includes: Left Warning Lamp*1
* This page contains affiliate links, purchases may generate revenue for this site