Allis Chalmers HD21 VS Fiat 640 specs comparison

Allis Chalmers HD21

General Infos

Make	Allis Chalmers
Model	HD21
Country	United states
Production	From 1954  Until 1965
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Allis Chalmers HD21 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	45500 lbs or 20638 kg
Length	198 inches [502 cm]
Width	-
Height	99 inches [251 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	844 ci or 13.8 L
Cylinders	6 cylinders
Engine power	225 hp or 167.8 kW
Engine RPM	1800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	135 gal or 511.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	24 V
Parts And Accessories	Allis Chalmers HD21 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	contracting band
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	-
Drawbar horsepower	135.12 hp or 100.8 kW
Fuel consumption	-
Pulling power	40563 lbs or 18399 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	-

Fiat 640

General Infos

Make	Fiat
Model	640
Country	Italy
Production	From 1973  Until 1978
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Fiat 640 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	14-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4961 lbs or 2250 kg
Length	132.3 inches [336 cm]
Width	-
Height	105.9 inches [268 cm]
Wheelbase	83.9 inches [213 cm]
Ground clearance	-
Turning radius	-
Rear tread size	51.2 to 78.7 inches
Front tread size	52 to 79.3 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	210.89 ci or 3.5 L
Cylinders	4 cylinders
Engine power	64 hp or 47.7 kW
Engine RPM	2400 (rpm)
Torque	156.4 lb-ft or 212.1 Nm
Torque RPM	1600 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	14.3 gal or 54.1 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Fiat 640 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	-
Cabin type	Four-post ROPS
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	5.8 gpm or 22.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	62 hp or 46.2 kW
Real power	-
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 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	4079 lbs or 1850 kg
Front hitch	-
Front hitch lift	-

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