Allis Chalmers HD3 VS Long 550 specs comparison

Allis Chalmers HD3

General Infos

Make	Allis Chalmers
Model	HD3
Country	United states
Production	From 1960  Until 1968
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Allis Chalmers HD3 Manual

Dimensions, sizes and tires

AG front tires	7-inch track
AG rear tires	7-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7645 lbs or 3467 kg
Length	108.75 inches [276 cm]
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	48 inches
Front tread size	48 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	175 ci or 2.9 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1650 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	Roosa-Master injection
Fuel tank size	14 gal or 53.0 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Allis Chalmers HD3 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Director
Trans type	mechanical shuttle
Trans gears	4 forward and reverse
Clutch system	wet disc (Power Director)

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	mechanical clutches
Braking system	mechanical contracting band
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	1 to 3
Pump flow	15 gpm or 56.8 lpm
SVC flow	-
Steering flow	-
Tank capacity	16.5 gal or 62.5 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	26.17 hp or 19.5 kW
Fuel consumption	2.6 gal/hour or 9.8 l/hour
Pulling power	8207 lbs or 3722 kg

Power take-off (PTO) specs

Claimed power	-
Real power	32.53 hp or 24.3 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	optional
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.6 gal/hour or 9.8 l/hour

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	-

Add a tractor