Allis Chalmers HD20 VS Long 550 specs comparison

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	-

Long 550

General Infos

Make	Long
Model	550
Country	United states
Production	From 1972  Until 1975
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Long 550 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	18.4-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4570 lbs or 2072 kg
Length	-
Width	-
Height	-
Wheelbase	81.5 inches [207 cm]
Ground clearance	-
Turning radius	-
Rear tread size	47.25 to 74.7 inches
Front tread size	52 to 79 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	190.7 ci or 3.1 L
Cylinders	4 cylinders
Engine power	60 hp or 44.7 kW
Engine RPM	2400 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	14.25 gal or 53.9 L
Oil capacity	11 qts or 10.4 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Long 550 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 2 reverse
Clutch system	279.4mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	independent contracting band
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	5.75 gpm or 21.8 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2133 psi or 147.1 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	46.7 hp or 34.8 kW
Drawbar horsepower	46.73 hp or 34.8 kW
Fuel consumption	3.6 gal/hour or 13.6 l/hour
Pulling power	6,944 lbs or 3149 kg

Power take-off (PTO) specs

Claimed power	53.7 hp or 40.0 kW
Real power	47.66 hp or 35.5 kW
Engine @RPM	540@1970 (rpm)
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.2 gal/hour or 12.1 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	2660 lbs or 1206 kg
Front hitch	-
Front hitch lift	-

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