International Harvester 686

Last Updated: September 2024

Overview

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.
Show more...

Key Specifications

Category: Utility

Transmission: Two-speed power shift

Drive Type: 2WD

Operating Weight: 7770 lb (3524 kg)

Fuel Type: Diesel

International Harvester 686 vs. Similar Tractors

Operating Weight

The Operating Weight for the International Harvester 686 is Above Average. It is greater than 75% of similar Utility tractors in our database.

Operating weight distribution of Utility tractors

(across 4.4K+ tractors in our database)

Engine Displacement

The Engine Displacement for the International Harvester 686 is Above Average. It is greater than 85% of similar Utility tractors in our database.

Engine displacement distribution of Utility tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the International Harvester 686 is Poor. It is greater than 9% of similar Utility tractors in our database.

Engine rated RPM distribution of Utility tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer
International Harvester
Model
D310
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Fuel Type
Diesel
Induction Type
Natural
Cylinders
6
Displacement
310 ci (5.1 L)
Bore
3.88 in (98.4 mm)
Stroke
4.38 in (111.1 mm)
Rated RPM
2000

Transmission

Type
Two-speed power shift
Forward Gears
10
Reverse Gears
2

Drivetrain

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Power
Brake Type
Disc