Allis Chalmers HD21 VS Ford 3910 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	-

Ford 3910

General Infos

Make	Ford
Model	3910
Country	United states
Production	From 1983  Until 1989
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Ford 3910 Manual

Dimensions, sizes and tires

AG front tires	5.50-16 (2WD)
AG rear tires	14.9-24
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4615 lbs or 2093 kg
Length	127.2 inches [323 cm]
Width	69.6 inches [176 cm]
Height	93.7 inches [237 cm]
Wheelbase	84.1 inches [213 cm]
Ground clearance	-
Turning radius	16.4 feet [5.0 m]
Rear tread size	56 to 80 inches
Front tread size	52 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	192 ci or 3.1 L
Cylinders	3 cylinders
Engine power	47.5 hp or 35.4 kW
Engine RPM	2200 (rpm)
Torque	138 lb-ft or 187.1 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	13 gal or 49.2 L
Oil capacity	7 qts or 6.6 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Ford 3910 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	128 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	32 amps

Clutch and gearbox specs

Trans system	Dual Range
Trans type	mechanical shuttle
Trans gears	6 forward and 4 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	power assist
Braking system	differential wet disc
Cabin type	Two-post fixed ROPS
Differentiel lock	mechanical rear

Hydraulics specifications

System	open center
Valves	1
Pump flow	7.7 gpm or 29.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	12.1 gal or 45.8 L
Hydraulic pressure	2500 psi or 172.4 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	35.06 hp or 26.1 kW
Fuel consumption	2.7 gal/hour or 10.2 l/hour
Pulling power	4,934 lbs or 2238 kg

Power take-off (PTO) specs

Claimed power	42 hp or 31.3 kW
Real power	41.16 hp or 30.7 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	2.6 gal/hour or 9.8 l/hour

3 point hitch specifiations

Hitch system	position and top-link draft control
Rear hitch	Ii/I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Add a tractor