International Harvester 686 VS Allis Chalmers HD20 specs comparison

International Harvester 686

General Infos

Make	International Harvester
Model	686
Country	United states
Production	From 1976  Until 1980
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	International Harvester 686 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	15.5-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7770 lbs or 3524 kg
Length	162 inches [411 cm]
Width	89.4 inches [227 cm]
Height	-
Wheelbase	103 inches [261 cm]
Ground clearance	-
Turning radius	-
Rear tread size	56 to 96 inches
Front tread size	58 to 82 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	291 ci or 4.8 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2000 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	31 gal or 117.3 L
Oil capacity	12 qts or 11.4 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	International Harvester 686 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	-
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Torque Amplifier
Trans type	two-speed power shift
Trans gears	10 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	disc
Cabin type	Two-post fixed ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	16 gal or 60.6 L
Hydraulic pressure	-
Max flow	12 gpm or 45.4 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	57.71 hp or 43.0 kW
Fuel consumption	4.1 gal/hour or 15.5 l/hour
Pulling power	8,013 lbs or 3634 kg

Power take-off (PTO) specs

Claimed power	-
Real power	66.36 hp or 49.5 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.1 gal/hour or 15.5 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Allis Chalmers HD20

General Infos

Make	Allis Chalmers
Model	HD20
Country	United states
Production	From 1951  Until 1954
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Allis Chalmers HD20 Manual

Dimensions, sizes and tires

AG front tires	tracks
AG rear tires	tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	41000 lbs or 18597 kg
Length	191 inches [485 cm]
Width	-
Height	95 inches [241 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	660 ci or 10.8 L
Cylinders	6 cylinders
Engine power	175 hp or 130.5 kW
Engine RPM	1700 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	120 gal or 454.2 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	24 V
Parts And Accessories	Allis Chalmers HD20 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	torque converter
Trans gears	2 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	-
Braking system	-
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	117 hp or 87.2 kW
Drawbar horsepower	116.7 hp or 87.0 kW
Fuel consumption	-
Pulling power	30,464 lbs or 13818 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	-
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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