Brand siblingUtility
International Harvester 686
The International Harvester 686 is a utility tractor that was made from 1976 to 1980. It's a 2WD tractor with power steering, which makes it easy to drive. The tractor has a two-speed power shift transmission with 10 forward gears and 2 reverse gears, giving the driver lots of options for different tasks. Under the hood, the 686 has a 6-cylinder diesel engine made by International Harvester. The engine is liquid-cooled and has a very high displacement of 310 cubic inches. It runs at 2000 rpm, which is below average for tractors. The tractor weighs 7770 pounds, which is above average for its class. It's quite big too, measuring 162 inches long, 89.4 inches wide, and 105 inches tall. This tractor has some useful features for farm work. It has a three-point hitch at the back, which is category II. The PTO (power take-off) is independent and runs at 540 rpm. The hydraulic system is open center type. For safety, it has a two-post fixed ROPS (Roll-Over Protective Structure) and disc brakes. The 686 is a solid, powerful tractor that can handle many farm jobs.
ManufacturerInternational HarvesterEngine6-cylTransTwo-speed power shift
Image not recorded
Quick specs
- Category
- Utility
- Operating Weight
- 7,770 lb
- Transmission
- Two-speed power shift
Overview
About the International Harvester 686
The International Harvester 686 is a utility tractor that was made from 1976 to 1980. It's a 2WD tractor with power steering, which makes it easy to drive. The tractor has a two-speed power shift transmission with 10 forward gears and 2 reverse gears, giving the driver lots of options for different tasks. Under the hood, the 686 has a 6-cylinder diesel engine made by International Harvester. The engine is liquid-cooled and has a very high displacement of 310 cubic inches. It runs at 2000 rpm, which is below average for tractors. The tractor weighs 7770 pounds, which is above average for its class. It's quite big too, measuring 162 inches long, 89.4 inches wide, and 105 inches tall. This tractor has some useful features for farm work. It has a three-point hitch at the back, which is category II. The PTO (power take-off) is independent and runs at 540 rpm. The hydraulic system is open center type. For safety, it has a two-post fixed ROPS (Roll-Over Protective Structure) and disc brakes. The 686 is a solid, powerful tractor that can handle many farm jobs.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | 686 |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Years built | 1976–1980 |
| Operating weight | 7,770lb |
Engine
| Make | International Harvester |
|---|---|
| Model | D310 |
| Cylinders | 6 |
| Displacement | 310ci |
| Bore | 3.88in |
| Stroke | 4.38in |
Transmission
| Type | Two-speed power shift |
|---|---|
| Forward gears | 10 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Power |
| Brakes | Disc |
| Cab | Two-post fixed ROPS |
Hydraulics
| Type | Open center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 162in |
|---|---|
| Width | 89.4in |
| Height | 105in |
| Operating weight | 7,770lb |
Capacities
| Cooling system | 5.25gal |
|---|
Head to head
686 vs. Utility median
How the International Harvester 686 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Displacement | 310 ci | 183 ci | +69% | 85th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 10 | 12 | -17% | 39th |
| Operating Weight | 7,770 lb | 5,303 lb | +47% | 74th |
| Length | 162 in | 137 in | +19% | 79th |
| Width | 89.4 in | 66 in | +35% | 91st |
| Height | 105 in | 94.1 in | +12% | 77th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 100 | — | 2,600 lb | — | Compare → |
| International Harvester 1026 | 127 hp | 11,100 lb | — | Compare → |
| International Harvester 1255 | 125 hp | 12,215 lb | — | Compare → |
| International Harvester 1256 | 113 hp | 10,405 lb | 1967–1969 | Compare → |
| International Harvester 130 | — | 2,800 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Advance-Rumely 6A | — | 6,370 lb | — | Compare → |
| Advance-Rumely DoAll | — | 3,702 lb | — | Compare → |
| Advance-Rumely OilPull B 25/45 | — | 25,000 lb | — | Compare → |
| Advance-Rumely OilPull E 30/60 | — | 26,300 lb | — | Compare → |
| Advance-Rumely OilPull F 15/30 | — | 16,500 lb | — | Compare → |
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FAQ
Common questions
When was the International Harvester 686 in production?
International Harvester 686 production started in 1976 and ended in 1980.
What hydraulics does the International Harvester 686 have?
The International Harvester 686 uses an Open center hydraulic system.
What three-point hitch category does the International Harvester 686 use?
The International Harvester 686 has a Category II three-point hitch.
What engine configuration does the International Harvester 686 use?
The International Harvester 686 is equipped with a 6-cylinder engine displacing 310 ci.
How much does the International Harvester 686 weigh?
The International Harvester 686 weighs about 7,770 lb in operating condition.
What transmission is in the International Harvester 686?
Transmission on the International Harvester 686 is Two-speed power shift, with 10 forward speeds.
What maintenance does the International Harvester 686 require?
Like any tractor, the International Harvester 686 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.